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Your use of this website constitutes acknowledgement and acceptance of our Terms & Conditions. There is no such thing as an information recession however there the realities of economic challenges in IT data centers also known as information factories. Likewise, people and data are living longer with increased dependency on information being available and reliable when needed.
A common challenge for organizations of all size is how to support business and data growth while working within budget constraints without compromising on customer service expectations.
With data storage along with servers, networks and associated software management tools being the fundamental building blocks for traditional, virtual and cloud environments, it makes sense to apply some focus there.
How you use different tools and technologies to address various challenges while enabling your organization to be more effective and productive will decide your return on innovation, the new ROI.
Return on innovation reflects how various tools and technologies, joined with different processes, procedures, and best practices and people skills are combined to address a problem or challenge and enable some benefit.
Where financial based ROI looks at a number that may show impacts to customer service, return on innovation highlights the business benefit (e.g. Keep in mind, that when you can find and remove complexity, cost savings are the usual benefit vs. The furniture and seating arrangements of the room can be organized in a variety of different ways. Check out the handy Room Setup Guide from AmpliVox and know exactly which amplifier and setup is right for your next presentation!
Although hubs and switches look very similar and are connected to the network in much the same way, there is a significant difference in the way they function. An Ethernet switch, on the other hand, provides a central connection in an Ethernet network in which each connected device has its own dedicated link with full bandwidth. The two important electrical specifications for a pair of headphones are the impedance of the phone transducer itself and its on-the-ear sensitivity. Headphone sensitivity is usually stated as the in-the-ear sound pressure level produced by one milliwatt (mW) of audio input. Doing a little bit of math will show that a signal of .775 Vrms will produce one mW in a 600 ohm load. Low impedance headphones will sound louder with devices with low output voltages such as portable MD recorders etc., you cannot use more than one pair of headphones at the same output simultaneously. New school states Woofers out and Tweeters and mid-frequencies in (yes, the opposite of old school).
Frequency-Hopping Spread Spectrum wireless communication provides error-free transmission, top security, and high levels of throughput without the need for an FCC site license. Narrow-band frequency hoppers use a predefined algorithm to maintain synchronization and high throughput between master and remote modems.
The sequence of frequencies is very difficult to predict and thus nearly impossible to eavesdrop on or jam. This saying is not technically exactly correct but for every day use use of dynamic microphones you will not find gain limitations. Sennheiser uses dynamic microphones for distortion measurements on loudspeakers at very high sound pressure levels. So as a conclusion we can state the MD 421 has no maximum SPL limitations for practical use. According to our friends at Genelec, the role of a monitoring system is to reproduce sound without adding or taking anything away from the original input signal.
Secondly, onto the often quoted "final mix translation" issue, one can observe that domestic and car audio systems are generally improving over time and having better, i.e. Extended display identification data (EDID) is a data structure provided by a digital display to describe its capabilities to a video source (e.g. Before DDC and EDID were defined, there was no standard way for a graphics card to know what kind of display device it was connected to.
The EDID is often stored in the monitor in a memory device called a serial PROM (programmable read-only memory) or EEPROM (electrically erasable PROM).
Many software packages can read and display the EDID information, such as read-edid for Linux and DOS, PowerStrip for Microsoft Windows and XFree86 for Linux and BSD unix. Now that we know how many pixels are in a 4K image the next thing we need to know is, how much bandwidth does it take to distribute that information? Depending on the number of pixels, color depth and refresh rate, the 4K bitrate can range between 3.5 and 20 gigabits per second (Gbs). Sending a full 4K signal, that is 4096 x 2160 with a refresh rate of 24 Hz will require nearly 10.2 Gbs.
Many professional wireless microphones use the same frequencies as broadcast television stations.
The most effective solution for broadcast television interference is to avoid using frequencies of local active TV channels. A mic-level or microphone-level signal is the amount of voltage that comes out of a microphone when someone speaks into it - just a few ten-thousandths of a volt.
To attenuate a line level signal down to microphone level, the A15LA attenuator can be used. Where safety is a concern, choosing a multimeter is like choosing a motorcycle helmet, if you have a a€?ten dollara€? head, choose a a€?ten dollara€? helmet. The good folks at Fluke have put together a truly informative and important guide on the subject.
4K has made some hefty promises to provide better detail, texture, clarity and resolution by quadrupling the number of pixels being delivered. As it becomes more widespread, 4K will be beneficial across digital cinema, TV, gaming, the internet, and commercial applications (video projection, digital signage, etc.). Translating to a resolution of approximately eight million active pixels (4096 pixels wide by 2160 vertical high), 4K is delivered in an uncompressed format. Due to bandwidth requirements, the industry hasna€™t agreed on which cabling options are best suited to deliver 4K signals over longer distances.
The answer is through the use of phantom powera€”power sent over the same wire pairs used for data.
Electricity has a low frequency of 60 Hz or less, and data transmissions have frequencies that can range from 10 million to 100 million Hz.
For the best speaker damping and least amount of power loss you will want to use the heaviest gauge that is practical.
In the non-professional HiFi world ita€™s common to use the 3 pole connector for stereo signals (headphones) and the 2 pole connector for mono signals. In the professional broadcast and audio industry the 2 pole connector is used in combination with unbalanced cables for short and interference insensitive transmittals (guitar cable).
For more sensitive applications like digital transmissions or longer lines it is the custom to use 3 pole connectors together with balanced cables (to avoid EMI - electromagnetic interference), but ita€™s still a mono signal (balanced mono signal). HDMI over IP creates endless possibilities in corporate or residential environments by enabling HDMI source(s) to be connected to your screen(s) via an existing or new local area network, saving both time and money on the installation of a new cable infrastructure. Whether using HDMI over IP set-ups a single source to screen, single source to multiple screens, or in a matrix format (multiple sources to multiple screens), the use of an HDMI over IP System will make your installation simple and user friendly. Control and set-up of the MuxLab system is taken care of using the MuxLab HDMI over IP dip switch configurations or the Management Software thus giving any user on the same network complete control over source to screen configuration a€“ whether on-site or not!
Be it a digital signage project, corporate system, control room environment, bar or restaurant displays, or general audio-visual distribution systems, consider a HDMI over IP System as a solution as it provides flexibility and is economical, with the ability to add and extend your system over time. Wireless microphone and monitoring systems have become standard equipment for musicians, broadcasters, theatre productions, television shows, and sound contractors alike.
The transmitter accepts a (mic or line) input signal, converts it into an RF (radio frequency) signal, and then transmits it. The receiver picks up the transmitted RF signal, converts it back into an audio signal, and then outputs it for mixing and amplification. Using the ComprehensIve Guide to Setting Up, Configuring and Using Evolution Wireless G3 Systems guide from Sennheiser, we see that evolution wireless G3 systems elegantly solve two classic challenges: avoiding interference and building complex, multi-channel systems. From small clubs to boardrooms to Broadway stages or stadium-sized concert halls, Sennheiser evolution wireless G3 is used with confidence every day by professional users the world over.
A recent FCC survey found that 80 percent of broadband users in the United States dona€™t know the speed of their broadband connection.
The first thing a system designer needs to know about a fiber optic link is how much optical loss will be experienced between the end points of any fiber optic cable. You will need two devices to determine the optical loss measurement, an optical power meter, such as the FiberlinkA® 6650 and a light source. Now, if youa€™re going to put a microphone super close to an amp, it better be able to handle some high SPLs (sound pressure levels).
Technical transmitter monitoring cannot guarantee that a listener using an FM radio can hear the station with good quality reception.
Operators in control centers can simply use a common media player to listen to the stream encoded by the Instreamers.
Obviously, confidence checking or "listening in" is not limited to radio stations a€“ many other applications of this Barix solution have been installed or can be envisaged, covering everything from monitoring whales to surveillance applications. Selecting the right reference monitors and setting them up correctly in your mixing environment is one of the most critical elements in creating mixes that will translate to any speaker system. Fortunately, a good monitoring setup is possible on any budget and the good folks over at Presonus have put together a brief, yet in-depth tutorial on selecting and configuring studio monitors.
Although use of a Wet Cleaning process largely avoids issues of scratching, using a solvent cleaner can also present problems.
Since IPA is the traditional chemical commonly used for both end face cleaning and for fiber preparation before fusion splicing, it has achieved a€?universal solventa€? status over the years. To overcome the problems inherent in using IPA for cleaning fiber optic connectors, application specialists at Chemtronics recommend using a proprietary cleaning solvent called Electro-Wash PX Fiber Optic Cleaner. To minimize battery change disruptions, careful consideration should be given to the power requirements of the equipment and the requirements of the shoot; consider not just the tape length but the amount of time the camera will be "hot".
Taking a minute or two here will save you time, money & aggravation, as your camera is only as good as the battery system that powers it. Attenuators are used with single-mode fiber optic devices and cable to filter the strength of the fiber optic signal. But when two fiber devices connected with single-mode fiber cable are close to each other, the signal may be too strong. Because ita€™s probably not feasible to move your fiber equipment farther apart, the easiest solution is to attach an attenuator to each fiber device. Before selecting an attenuator, you need to check the type of adapter on your fiber devices. First let us lay some groundwork: audio systems can exhibit "hum" and they can exhibit "buzz", which are two separate situations.
Sixty(60)-hertz hum (fifty (50) hertz internationally) is a result of having a ground loop in the audio system. Another cause of system "hum" is electrically induced, such as having a very sensitive component too close to a power transformer.
This week wea€™re taking a moment to spotlight Larry Villella of ADK Microphones and TapeOp Magazine.
Larrya€™s custom shop and 3 Zigma line of microphones have captured performances by many acclaimed artists, including Ray Charles, Chick Corea, Burt Bacharach and The Manhattan Transfer. Discussions surrounding whether or not to test a fiber channel with the patch cords have been unclear. In reality, the main deciding factor for whether to test the channel with the patch cords included or to just test the permanent link depends on the specification provided by the end user or their consultant. If after checking the spec the question still remains as to whether or not patch cords should be included in channel testing, consider the fact that patch cords are factory terminated and offer a lower risk of defect and errors. Sometimes it is also not logistically feasible to test the channel with the patch cords because they are often not in place during initial testing, before active equipment is installed and up and running. While most should not have to worry about testing the channel with the patch cords (unless ita€™s specified), the fact remains that sometimes things can go wrong. Another key consideration is whether or not typical insertion loss values or maximum insertion loss values are being used to design the channel. While not necessary for achieving certification on an end-to-end Belden FiberExpress channel, we recommend using maximum insertion loss values when designing channels and testing the channel with the patch cords whenever possible. And if at first, you only tested the permanent link and then experienced higher-than-normal bit error rates once the active equipment was up and running, it might be time to retest the channel with the patch cords in place.
The spatial resolutions of the two also differs in that while both formats display 2160 px high, UHD has a width of 3840 px while 4K has a width 4096 px.
Communications Speacialties has a wide range of 3500 Series Fiberlink products to support the transport of multiple 3G-SDI signals over single and multiple fibers. UL listed means that a product has been submitted to Underwritera€™s Laboratories for safety testing in certain categories.
APC surge protectors undergo stringent testing by IEEE, and are awarded "let-through ratings", which indicate the maximum voltage level that can possibly reach your equipment after a surge or voltage spike has passed through an electric surge protector. While most other surge suppressors continue to let power through even after their circuits have been damaged - leaving your equipment exposed to future surges, APC's SurgeArrest uses a fail safe design, which means that once the circuit of an APC SurgeArrest has been compromised the unit disconnects equipment from the power supply ensuring that no damaging surges reach your equipment. Whether you are recording vocals, guitars, drums or even a piano, proper microphone placement is the first step in getting great sound.
For the most part, the microphone's axis (or center line) should aim toward the nose and mouth to obtain the fullest sound. In most wireless microphone applications, there is rarely a single element that causes the whole system to fail, but rather an aggregation of bad practices that leads to poor performance. Q- Would removal of the dam help alleviate upstream flooding problems suffered by residents of the Family Farm neighborhood in Woodside? A- Searsville Dam was not designed to provide any flood protection benefit downstream and has caused flooding upstream. A- While the dam was well built, the average age for a dam is reported, by Stanford, to be 40 years and Searsville Dam is 120 years old. Q- Stanford currently uses the reservoir for non-potable water use, such as irrigation, landscaping and fire-fighting. A- As with other completed dam removals, this project design would maintain or replace existing owner needs with improved facilities and ease of operation.
A- Recent studies and completed dam removal efforts have shown that dam removal is almost always less expensive than eventual dam safety retrofitting, installation of required fish passage facilities, and ongoing maintenance costs. A- Fortunately, there are many sources of funding for dam removal and ecosystem restoration projects of this kind.
A- The existing ecosystem has emerged around an artificial and unsustainable reservoir that is filling in with sediment. Q- What effects would removal -- including possible flushing of sediment -- have on the recovering population of steelhead elsewhere in the watershed? A- The dam has held back sediment for over a century and altered the natural flow of gravels and beneficial sediments downstream creating a a€?hungry watera€? situation that has impacted bank erosion and the native habitat for steelhead.
Corte Madera Creek and the many tributary streams (above) contain excellent habitat and continues to support wild, rainbow trout (below), which are the descendants of sea-run steelhead. Q- The current wetlands support a rich bird habitat and foraging ground for bats a€“ would this be protected with the removal? A- Some of the recently established wetlands and habitat utilized by birds and bats can remain with dam removal and design plans would maximize the protection of sensitive areas in a manner similar to other successful dam removal efforts.
Stanford officials have often wondered about the impacts of dam removal on vegetation established on the reservoir and possible negative impacts to neotropical migrant birds that have been observed here in high abundance. Searsville Dam removal would restore miles of currently buried streams, riparian forests and thick border habitats, and increase the amount of highly productive fringe wetland habitat that these riparian zones provide.
Overall, the project could trade in the unsustainable, artificial, reservoir habitat for a net gain in stream habitat, riparian forest habitat, fringe wetland habitat, historic wetland ponds, and upland habitat.
A- Dam removal will eliminate the artificial reservoir habitat that currently allows for the breeding and dispersal of several exotic and invasive species that prey upon and compete with the native species. A- Dozens of large dams have been successfully removed and hundreds of medium and smaller dams have been taken out over the past couple decades.
A- Over 500 dams have been removed in the United States in recent years and several dams that were about the size of Searsville, and larger, have recently been removed from rivers around the country. The mouth of San Francisquito Creek (above) is near several wetland restoration projects in need of sediment. Q- How would the removal of 60 feet of concrete blocks affect the biological preserve and surrounding communities? A- Removal of the concrete blocks would be a short-term disturbance to the Jasper Ridge Biological Preserve and surrounding communities.
A- Doing nothing at the dam and reservoir is not an option that any stakeholders are currently considering or embracing due to the imminent negative impacts of such a non-action. Q- How will you work with Jasper Ridge Biological Preserve and other watershed stakeholders to ensure their concerns are being met? A- Members and supporters of the Beyond Searsville Dam Coalition have been collaborating with Jasper Ridge Biological Preserve, Stanford University, San Francisquito Joint Powers Authority, San Francisquito Watershed Project, local jurisdictions, government agencies, community groups, and other non-profit groups for several decades on a variety of watershed related projects. Jasper Ridge Biological Preserve Director, Philippe Cohen (green cap), and Stanford Engineering Professor, David Freyberg (at right), atop Searsville Dam talking to a group from the Salmonid Restoration Federation conference who were interested in dam removal. 1) What is a dam?a€?There are a number of technical and legal definitions of a dam but generally it is any structure that impounds or diverts water.
However, this inventory only covers dams that meet minimum height and impoundment requirements, so an unknown number of small dams are not included in the inventory.
3) Which state has the most dams?a€?According to the NID, Texas has the most dams of any state at 6,798.
4) Who regulates dam operations?a€?A number of state and federal agencies are responsible for regulating dams.
5) How many dams actually produce power?a€?FERC regulates approximately 2,300 hydroelectric producing dams.
7) Why are some dams being removed?a€?There has been a growing movement to remove dams where the costs - including environmental, safety, and socio-cultural impacts - outweigh the benefits - including hydropower, flood control, irrigation, or recreation - or where the dam no longer serves any useful purpose. 8) How are dams removed?a€?Because dams and rivers vary greatly, physical removal strategies and techniques may also vary on a case by case basis.
9) How many dams have been removed to date?a€?Currently, American Rivers is aware of more than 600 dams that have been removed over the past 50 years in this country.A  We are still in the process of gathering this data, so that figure is likely to increase as more information becomes available. 10) How much does it cost to remove a dam?a€?Because the size and location of dams vary so greatly, the cost to remove an individual dam can range from tens of thousands of dollars to hundreds of millions of dollars. 11) Who owns the dams that are being removed?a€?Private businesses, federal agencies, state agencies, local governments, or public utilities may own dams. 12) Who pays for dam removal?a€?Who pays for the removal of a dam is often a complex issue.
13) Who decides that dams should be removed?a€?The decision to remove a dam is made by varying entities, depending on the regulatory oversight of the dam. 14) Can rivers be restored through dam removal?a€?Although most rivers cannot be completely restored to historic conditions - simply because of the amount of development that has occurred on and along them - dam removal can often recreate conditions that move the river towards those historic conditions.
15) What benefits do dams provide?a€?Dams may provide a variety of benefits, including water supply, power generation, flood control, recreation, and irrigation.
16) How can the benefits of a dam be replaced when it is removed?a€?While dams serve a number of human needs, society has developed ways to address many of these needs without dams.
Rather than plugging rivers with multiple hydropower dams, a cheaper and less environmentally harmful solution is to use existing energy efficiency technologies. 17) Is it cost effective to remove a dam?a€?Dam removal can be expensive in the short term, but in most cases where dams have been removed or are being considered for removal, money is actually saved over the long term. 18) Will the removal of a dam matter if other dams in the system are not removed?a€?Some rivers are so heavily developed and dammed that removal of one dam on that river will only return flows to a small portion of the river. 19) Are we going to decide in twenty years that we need to start building dams again?a€?We have learned a lot in the past twenty years about the many impacts dams have on rivers, and we have learned many alternatives to damming rivers. 21) What are the potential downsides to dam removal?a€?Dam removal does result in fundamental changes to the local environment. How quickly do rivers recover after dam removal?a€?Rivers are very dynamic and resilient systems.
1) What is a dam?There are a number of technical and legal definitions of a dam but generally it is any structure that impounds or diverts water. 3) Which state has the most dams?According to the NID, Texas has the most dams of any state at 6,798.
4) Who regulates dam operations?A number of state and federal agencies are responsible for regulating dams. 5) How many dams actually produce power?FERC regulates approximately 2,300 hydroelectric producing dams.


7) Why are some dams being removed?There has been a growing movement to remove dams where the costs - including environmental, safety, and socio-cultural impacts - outweigh the benefits - including hydropower, flood control, irrigation, or recreation - or where the dam no longer serves any useful purpose.
8) How are dams removed?Because dams and rivers vary greatly, physical removal strategies and techniques may also vary on a case by case basis. 9) How many dams have been removed to date?Currently, American Rivers is aware of more than 600 dams that have been removed over the past 50 years in this country.A  We are still in the process of gathering this data, so that figure is likely to increase as more information becomes available. 10) How much does it cost to remove a dam?Because the size and location of dams vary so greatly, the cost to remove an individual dam can range from tens of thousands of dollars to hundreds of millions of dollars. 11) Who owns the dams that are being removed?Private businesses, federal agencies, state agencies, local governments, or public utilities may own dams. 13) Who decides that dams should be removed?The decision to remove a dam is made by varying entities, depending on the regulatory oversight of the dam. 14) Can rivers be restored through dam removal?Although most rivers cannot be completely restored to historic conditions - simply because of the amount of development that has occurred on and along them - dam removal can often recreate conditions that move the river towards those historic conditions. 15) What benefits do dams provide?Dams may provide a variety of benefits, including water supply, power generation, flood control, recreation, and irrigation. 16) How can the benefits of a dam be replaced when it is removed?While dams serve a number of human needs, society has developed ways to address many of these needs without dams. 17) Is it cost effective to remove a dam?Dam removal can be expensive in the short term, but in most cases where dams have been removed or are being considered for removal, money is actually saved over the long term.
18) Will the removal of a dam matter if other dams in the system are not removed?Some rivers are so heavily developed and dammed that removal of one dam on that river will only return flows to a small portion of the river. 19) Are we going to decide in twenty years that we need to start building dams again?We have learned a lot in the past twenty years about the many impacts dams have on rivers, and we have learned many alternatives to damming rivers. 21) What are the potential downsides to dam removal?Dam removal does result in fundamental changes to the local environment.
22)How quickly do rivers recover after dam removal?Rivers are very dynamic and resilient systems. Hence the need for data infrastructures that protect, preserve and serve information in a cost-effective productive way. Simply cutting cost at the price of reliability, availability, serviceability or performance is not an option for most environments. How to carry out the above goal is to leverage various tools and techniques to streamline IT and data infrastructures in creative ways. An example is deploying storage optimization techniques to support growth by finding and removing complexities, boosting effectiveness (as well as efficiency) without negatively affecting productivity.
Each arrangement is used for a specific type of instruction to maximize the efficiency of the lesson being taught.
Because a hub doesn't use management or addressing, it simply divides the 10- or 100-Mbps bandwidth among users. Switches divide LAN data into smaller, easier-to-manage segments and send data only to the PCs it needs to reach. Select a stackable hub connected with a special cable so you can start with one hub and add others as you need more ports. Ethernet switches intended for large managed networks feature built-in management, usually SNMP. Most Ethernet switches operate at "Layer 2," which is for the physical network addresses (MAC addresses). A modular switch enables you to populate a chassis with modules of different speeds and media types.
Some Ethernet switches can be connected to form a stack of two or more switches that functions as a single network device. Phones in this impedance range may be directly plugged into the headphone jack routinely found on recording and playback equipment. This shows that the advantage of high impedance headphones is that they can be used with almost any amplifier output without any risk of being damaged by overload, and you can connect up to 10 or more pairs to the same output. The concept (simply stated) being this - and there are more complex answers having to do with phase coherency, time alignment, and other big words, but I did say "simply stated" - if the woofers are at the outside of the image, the sound comes from everywhere anyway so their placement would probably be OK on the outside of the image. They achieve this by continually switching or "hopping" from one transmission frequency to another throughout the Spread Spectrum band. If interference is encountered at any particular frequency, the built-in error correction detects it and resends the data packet at the next frequency hop. Ia€™ve found that the output is quite low compared to some other microphones that I have used in the past and ita€™s quite noisy when I turn it up to get enough gain.
Many Dynamic and ribbon microphones such as the Shure SM7 and the EV RE-20 have a low output compared to other microphones such as condensers. At SPL levels above 160 dB some mechanical problems might occur (for example the voice coil might crash onto the magnet) but these SPL levels are very hard to find in real world. However if using dynamic microphones at high SPL levels a user should be aware that the very high voltage (up to several volts) delivered by the microphone might cause problems when connected to mic preamps. Some VGA connectors in personal computers provided a basic form of identification by connecting one, two or three pins to ground, but this coding was not standardized. 4K has a data stream of 8.8 million pixels but what we need to know is the bitrate of the 4K image. Likewise sending an Ultra-HD signal, that is 3840 x 2160 with a refresh of 30 Hz will also require nearly 10.2 Gbs.
Though it is not possible for an wireless mic receiver to "hear" anything from a digital TV transmission, the DTV signal acts as a very strong broadband radio noise source. Television transmitters may operate at power levels up to several million watts while wireless microphone systems typically operate at less than 50 mW (fifty one- thousandths of one watt!) of output power.
Indoor setups are at less risk than outdoor setups because building structures will usually strongly attenuate TV signals. Aux-level inputs and outputs are found on many kinds of equipment, including tape recorders, CD players, and some computer sound cards. Engineers who analyze multimeter safety often discover that failed units were subjected to a much higher voltage than the user thought he was measuring. What performance specification should you look for, especially if you know that you could be working on high-energy circuits? It describes in full detail the how's and why's of the subject and how to get the job done and stay safe every time. Also known as ultra-high definition resolution, 4K presents four times the picture resolution that standard high-definition resolution offers. Most 4K displays and panels are larger in size (at least 55 inches) because the benefits of ultra-high def resolution are less visible on smaller displays. Table 1 below illustrates the data rates that are required to support 4K resolution for different color options at 60 frames per second. To support ultra-high definition resolution and maintain color information, higher data rates are needed as shown in Table 1. Signal integrity may be a major issue for proper 4K connectivity; noise interference and increased distances can impact signal quality. However, Gigabit Ethernet or 1000BASE-T uses all four pairs of wires, leaving no pairs free for power. When the same pair is used for both power and data, the power and data transmissions dona€™t interfere with each other. Their major applications are the connections of instruments like guitars, keyboards, headphones. The MuxLab HDMI Over IP Extender with Management Software (500752) allows up to 16 sources to be connected to up to 200 screens. Featuring infra-red (IR) pass through, control of sources is possible from a remote screen location.
Sennheiser evolution wireless G3 offers 1,680 tunable UHF frequencies across 42 MHz and an easy-to-use "Easy Setup" function that scans for interference and recommends "free" frequencies that will yield the most reliable operation. Know the speed you need - for example, whether you need a fast speed for video, or whether a slower speed will do. Many people dona€™t know what speed they are paying for, or what they are getting compared to what the broadband provider is claiming to offer.
If youa€™re choosing a broadband provider for the first time, consider speed, price, and service. Factors like a slow router or computer, using the Web at peak times, or using high-bandwidth applications can slow down your connection. All fiber optic transmitters and receivers will specify a maximum amount of optical attenuation, or loss budget, that can be tolerated before the equipment will no longer work properly.
This can be an existing fiber optic transmitter or a light source such as the FiberlinkA® 6654 Dual Wavelength Single Mode Light Source.
It is preferred that measurements be made at both wavelengths, if possible, as the optical loss can vary significantly as the wavelength varies when multimode fiber is used.
While the electric guitar can certainly be recorded directly, there are times when there is simply no substitute for the sound of a real amplifier.
Placing the microphone roughly 4 inches from the grill, aimed directly at the center of the loudspeaker will produce the most a€?edgea€? to your sound.
By angling the microphone slightly off axis and towards the wall, you can add more a€?room sound.a€? Experimentation is a key factor in achieving the sound you are looking for. The figure eight pattern picks up sound to the front and back of the mic without any creative placement.
If the amplifier sits on a carpeted floor, you are more likely to reduce the amount of brightness in the sound. Broadcast Australia operates a monitoring system which uses tuners and Barix IP audio encoders, allowing support staff to listen in remotely, all over Australia. If listeners complain, the technical staff of Broadcast Australia can use a tuner within the reception area of that specific transmitter and "listen in", remotely. In addition to the operator listening in person, the Instreamer device can also automatically trigger an alarm if the signal quality fails to meet certain predefined criteria. Just about anyone who has ever mixed a record has experienced the frustration of getting a mix that sounds amazing in their mixing environment, only to pop it onto their car stereo and wonder in confusion "where did the lead guitar go?" The likely culprit is their studio setup. Investing in a high-quality studio monitors will make mixing easier and less fatiguing and will help you to become a better engineer. Even the highest grade of 99.9% IPA is unable to remove both ionic and complex non-ionic contaminants such as buffer gels, lubricants and these oily residues in combination with dusty soils.
Without some way to limit that low frequency sound, you can wind up shortening the lifespan of the drivers considerably. Depending on the type of attenuator attached to the devices at each end of the fiber optic cable, you can diminish the strength of the light signal a variable amount, measured in decibels (dB). Single-mode fiber is designed to carry a fiber optic signal long distancesa€”as much as 70 kilometers (or 43.4 miles).
Just as sunglasses filter the strength of sunlight, attenuators filter the strength of the light signal transmitted along single-mode fiber cable.
Attenuators typically fit into any patch panel equipped with FC, SC, or LC adapters that contain either PC or APC contacts. This is where there are two or more ground references in the system, and current is flowing from one ground point to another. Power amplifiers have large power transformers and can induce a magnetic field into other equipment. His microphones have been endorsed by several Grammy award winning engineers, and the ADK Custom shop and 3 Zigma Audio have both individually won the prestigious PAR Excellence Award for Innovation. The answer to this long-standing question is a€?it depends.a€? Leta€™s take a closer a look.
Installation of the permanent link typically has much more impact on the performance and insertion loss of the channel.
They are also regularly moved or changed during reconfigurations without necessarily re-testing the channel.
Fiber patch cords can have dirty end faces or they could be damageda€”especially since they are a moveable component. If using typical insertion loss values, it is important to know how the patch cords impact the channel. Testing the channel with the patch cords doesna€™t take any extra time, and ita€™s better to be safe than sorry. This last attribute makes scaling and displaying UHD images on HDTV sets and monitors a rather straightforward process. Also known as "frames per second (fps)" or "frame rate" this refers to how many complete images are drawn on the screen each second.
If you clap your hands and get an echo effect, you should consider adding some carpet, blankets, drapes, or other sound absorbing materials. Getting too close to the microphone tends to increase bass response and can create problems with plosive sounds - those popping Ps, Bs, Ds, and Ts (more on this in a moment).
It's not a bad idea, however, to experiment angling the microphone slightly away from dead center so as to help minimize plosives. When dealing with radio frequencies in particular, considerations such as antenna size, orientation, and proper cable selection, are important factors not to be overlooked. This handy guide from Shure presents a series of good practices for most typical wireless audio applications. As the elevation of the reservoir and trapped sediment were lowered, upstream flooding issues caused by the dam are expected to be eliminated. The dam removal design plan can maximize flood protection benefits to downstream communities. Searsville Dam provides a moderate amount of water that can easily be replaced with a less harmful water diversion facility that allows for improved functionality to Stanford.
Federal, state, local, private, and non-profit entities are all providing large grants and donations to dam removal efforts nationwide.
Some of the current vegetation and habitat that has grown up on the upstream end of the reservoir can be maintained with the dam removal design. Dam removal would provide additional spawning gravels below the dam for steelhead as well as more natural water flow regimes and anticipated improvements to water quality. These native trout are genetically isolated by the dam and their survival is at risk due to inbreeding and loss of genetic diversity.
It is critical to understand that while the artificial, and disappearing, open-water reservoir habitat will be reduced, the historic and ecologically unique habitat buried by the dam and reservoir will be restored.
In addition, much of the established riparian vegetation at the upper end of Searsville Reservoir could remain with theA  dam removal design. The historic map below shows what this habitat looked like before the dam and what it can look like again with dam removal and ecosystem restoration.
Several species of non-native bass, sunfish, and panfish as well as bullfrogs occur in the warm, artificial, flat-water of Searsville Reservoir. Much more complicated dam removals have been completed that involved hydro-power replacement, polluted sediment disposal, adjacent development, and other challenges that this project would not have.
There are also several dams that are planned for removal over the next couple years that are many times larger in size and in the amount of stored sediment.
A portion of the sediment can be transported for other uses, including the stated desire for it at planned San Francisco Bay wetland restoration projects or nearby agricultural sites.
We will continue to work with all of these stakeholders to address their concerns, as we feel that the safety and ecosystem issues are in our mutual interest and that the most effective project will occur when shared goals are best addressed.
While many progressive leaders at Stanford acknowledge the potential benefits of dam removal and the need for comprehensive studies to analyze specific dam removal alternatives, many watershed stakeholders are concerned that several individuals at Stanford are misrepresenting the issue and standing in the way of productive collaboration and investigation on this critical watershed decision that impacts all stakeholders.
There are approximately 75,000 dams in the US Army Corps of Engineers' (Corps) National Inventory of Dams (NID), which is the most comprehensive inventory of dams nationwide.
Of the 75,000 dams in the database, approximately 66,000 are located on rivers (the remainder impound water off-river). Generally, the process involves drawing down the reservoir, potentially removing the sediment built up behind the dam, removing the structure, and mitigating for downstream effects of increased flow and sediment re-suspension. Most of the dams removed to date have been owned privately, by local government, or by public utilities. In past cases, removal has been financed by the dam owner, local, state and federal governments, and in some cases agreements whereby multiple stakeholders contribute to cover the costs.
In most cases, the dam owner itself is the decision-maker, often deciding that the costs of continuing to operate and maintain the dam are more than removing the dam. For example, fish are returning to historic stretches of river that had been previously obstructed on Butte Creek in California, theA Souadabscook River in Maine, and the Clearwater River in Idaho, as a result of dam removals. For instance, flood control can often be accomplished more effectively and for less money by restoring wetlands, maintaining riparian buffers, or moving people out of the floodplain.
Removal eliminates the expenses associated with maintenance and safety as well as direct and indirect expenses associated with fish and wildlife protection (e.g. The reservoir will be eliminated, and with it the flat-water habitat that had been created.
Experience has shown that natural river systems can be restored relatively rapidly after dam removal. The more flexible the furniture, the easier it will be to create different seating styles to fit the immediate need. If two stations are transferring high volumes of data between them, the network performance of all stations on that hub will suffer. Layer 3 switches use network addresses, and incorporate routing functions to actively calculate the best way to send a packet to its destination. Because you can easily change modules, the modular switch is an adaptable solution for large, growing networks.
Higher impedances, such as 600 ohms, are more useful in studio installations where many units may be wired in parallel for studio monitoring applications. You can see that very little power is needed to drive a stereo headphone pair to very high listening levels. So it is clear that 600 ohm phones and the lower impedance models should not be intermixed in the same application.
The max SPL this combination was able to produce was 150 dB and the THD level recorded by a MD 421 was below 1% (produced by the driver not by the mic). To accurately monitor what is recorded on the hard drive or tape machine, the monitoring system also has a flat response at the listening position.
It is what enables a modern personal computer to know what kinds of monitors are connected to it.
That means there are 4096 pixels laid out horizontally across the display and 2160 pixels arranged vertically across the display for a total of a little more that 8.8 million pixels in the 4K image. Bitrate not only takes into consideration the number of pixels but also examines the color depth and the refresh rate of the image being sent.
For this reason it is unwise to choose wireless microphone system frequencies that fall in an active local TV channel block. Nevertheless, since the locations and assignments of television stations are well known it is relatively easy to choose wireless microphone system frequencies to avoid them in a particular area.
However, wireless microphones could be used on television channels 22 and 24, as this would avoid the active TV channels.
Connecting a microphone to a line-level input will result in almost no sound at all, because the signal is so faint that the line input cannot hear it. A mixer will not only boost a microphone level signal up to a line level signal, but it will also combine multiple signals together into a single output. There are the occasional accidents when the meter, rated for low voltage (1000 V or less), was used to measure medium voltage, such as 4160 V. The task of defining safety standards for test equipment is addressed by the International Electrotechnical Commission (IEC). Because electricity and data function at opposite ends of the frequency spectrum, they can travel over the same cable. The shorter the run, the smaller gauge you can use with minimum power and damping factor loss.
Power to both transmitter and receiver units are taken care of when used with a PoE (Power over Ethernet) LAN Switch giving minimal power requirements at the source and more importantly at the screen location. Some of the most important considerations in selecting the right wireless system for an application is avoiding sources of potential interference, the number of channels required, the number of and type of microphones needed, antennas, mounts, accessories and the list goes on.
For setting up multi-channel systems, evolution wireless G3 includes 20 banks of coordinated frequencies, each set calculated to work together without interference - an undesirable effect called intermodulation. Choosing the right broadband provider and plan for your needs can be complicated, but there are strategies for navigating the process. When single mode fiber is used, measurements should be made at 1310nm as this is the most common wavelength used with single mode fiber.


While digital modeling and processing systems certainly have their place, they may not have the same level of realism as the sound from an amplifier. A good instrument mic can perform well on a variety of instruments, including a guitar cabinet. This is achieved by deploying Barix Instreamer devices - reliable IP audio encoders a€“ with FM tuners attached, all over Australia and connecting them via a nationwide IP network. Some advocate a Dry Cleaning technique using lint-free fabrics, while others prefer a Wet Cleaning Process, which employs a solvent cleaner. IPA can leave a thin layer of such contaminants on the end face, again resulting in signal degradation. Filtered and packaged in a 5-ounce aerosol can that prevents contact with outside air prior to application, this cleaning solution effectively removes the types of soils most commonly encountered in Outside Plant and OEM operations. Atlas Sound offers a full line of DSP products that can meet any horn speaker protection needs.
This provides unlimited flexibility for selecting a combination of different batteries to cover all your application needs. Fiber devices send this signal with great force to ensure that the signal, and your data, arrive at the other end intact. Within the attenuator, therea€™s doping that reduces the strength of the signal passing through the fiber connection and minute air gaps where the two fibers meet. In addition to the type of adapter, you also need to determine the necessary attenuation value, such as 5 or 10 dB. If you suspect this may be the cause of your problem then placing more distance between the two components is the only practical solution. Even a negligible loss on the patch cord can impact the design and ultimately the channel performance. It also facilitates the display of HDTV signals onto a UHD screen without geometric distortion.
Getting too far away makes the microphone more subject to picking up room ambience - a sound that creates the effect of the vocalist being in a bowl.
Further, you should always place a "pop" filter between the vocalist and the microphone, with the pop filter positioned 3 - 4 inches in front of the microphone. In the case of microphones and loudspeakers, sound waves are converted to electrical impulses, and vice versa.The proliferation of wireless audio systems has introduced yet another category of transducer to professional audio, the antenna. The valley and historic wetlands that are buried beneath Searsville Dam and Reservoir once provided natural flood protection benefits by filling and absorbing winter rains and then slowly releasing flows following the peak flow event. Large cracks that remain on the dam were observed by the dam caretaker immediately after the 1906 earthquake. The shrinking reservoir provides a fading amount of storage capacity that can be replaced with existing off-stream reservoirs, expanded storage areas, new off-stream storage, and possible dredging of the remaining upper Searsville Reservoir areas. Almost all dam removal studies and construction efforts are being partially or fully funded with these available grants. In addition, miles of historic stream, riparian, and wetland habitat currently buried can be revived and restored with the dam removal. The existing downstream steelhead population is able to migrate up all other existing spawning and rearing tributaries in the watershed and away from any potential short-term disturbances from the dam removal. Several miles of stream habitat and associated riparian forests, comprising over 6 different tributary streams, can be reestablished.
These species are able to breed in this artificial habitat and spread downstream of the reservoir were they can prey on and compete with threatened steelhead trout, other native aquatic species; including amphibians and even small birds and mammals. Habitat restoration of this size has been successfully completed at hundreds of locations and many dam removal projects have enabled stream habitat and native wildlife to restore themselves quickly.
See our Dam Blog page and American Rivers website for more information on completed and planned dam removal projects. Noise abatement methods, scheduled use of roads by trucks, use of cleaner burning biodiesel in equipment operation, working around Preserve activities and research, and other determined actions could be implemented to reduce impacts.
Dredging the reservoir and maintaining some open water has also been considered, but has limited benefits and most of the existing ecosystem and safety problems with the dam would remain.
We firmly believe that a collaborative, well-designed dam removal effort can be in the best interest of Stanford University and the entire watershed community.
Non-federal dams that produce hydropower are regulated by the Federal Energy Regulatory Commission (FERC).
According to the NID, Oroville Dam, on the Feather River in California, is the tallest dam in the United States, measuring in at 770 ft.
State dam safety offices can often order a dam to be removed if there are major safety concerns.
Updating antiquated irrigation systems and replacing inappropriate crops can dramatically reduce the need for dams and reservoirs in the arid West. Many dams that have been removed no longer had any beneficial use or that use was very limited. In some cases, this additional section of river is enough to sustain crucial populations of endangered or threatened species of fish, mollusks, and other wildlife. In the next twenty years we are likely to learn even more about alternatives to dams and the impacts of dams on rivers.
Wetlands surrounding the reservoir will also be drained, although new wetlands are often created both in the newly restored river reach above the former dam site and in the river below. For example, spawning fish returned to theA Souadabscook River in Maine only months after a dam was removed, and the flushing of the sediment from the Milwaukee River in Wisconsin following the Woolen Mills Dam removal took only six months. Hubs are good choices for small- or home-office networks, particularly if bandwidth concerns are minimal.
Very advanced Ethernet switches, often known as routing switches, operate on OSI Layer 4 and route network traffic according to the application. The 600-ohm models are more rugged than low impedance models in that the higher resistance coils are less susceptible to burn out than low impedance models. Placing them on the inside of the image (ideally in an equilateral triangle) will create a more solid center image. So, "A" goes left with the woofer on the outside of your stereo image and speaker "B" goes right with its woofer on the outside of your stereo image. The Dubbing Stage must replicate this response so that the mix translates precisely to the Movie Theatre. EDID is defined by a standard published by the Video Electronics Standards Association (VESA). Connecting a line-level source (such as a CD player) to a mic-level input will cause the sound to be loud and distorted because the line signal is much stronger than what the mic input will accept. Just as common, the knock-out blow had nothing to do with misuse - it was a momentary high-voltage spike or transient that hit the multimeter input without warning. In the other method, called Alternative B, two wire pairs are used to transmit data, and the remaining two pairs are used for power. The longer the run, the heavier gauge you will need to minimize power and damping factor loss.
With the capability of high-definition 1080p images and audio up to distances of 330ft between transmitter and switch, then from switch to receiver, the HDMI over IP Extender kits exceed the standard distances of a point-to-point HDBaseT extender kit. However, choosing the right equipment and frequencies for your application doesn't have to be a chore. With evolution wireless G3, building a reliable, interference-free multi-channel setup has never been easier!
A small guitar amp can be just as effective for this application as a stack, because you dona€™t necessarily need to a€?cranka€? the volume.
Youa€™ll target the cabinet but youa€™ll also pick up the cabinet sound as ita€™s reflected in the room (fig.3).
If youa€™re looking for a big reverberant tone, placing the amp and microphone in the bathroom is another popular technique.
Using excessive amounts of IPA can also contribute to signal loss through a phenomenon know as a€?haloinga€?, which is thought to be caused by residual alcohol combining with ambient soils and moisture, resulting in a residue that can adhere to the end face.
The hygroscopic nature of IPA combined with its relatively low volatility and intrinsically higher surface tension, can result in adhesion of microscopic particles to the end face surface. This line includes the ASP-MG24, a 2x4 loudspeaker processor offering full DSP configuration of various crossover types, parametric EQ, compression, delay, and graphic EQ.
For instance you might want high capacity batteries when using on-camera lights or shoots needing long runtimes, medium capacity for regular shooting and a small lightweight battery as a backup or for low-power application needs. Fiber grooves may also be intentionally misaligned by several micronsa€”but only enough to slow the fiber optic signal to an acceptable rate as it travels down the cable. However, when using maximum insertion loss values, patch cords will not likely have an impact. While vocalists may need to move about in order to hit those high notes, make every effort to maintain a constant distance from the microphone, as this will provide the greatest tonal balance. This will greatly increase your ability to achieve the most natural sounding recordings with minimal interference from plosive sounds. As defined in the ARRL (American Radio Relay League) Antenna Book, a€?The purpose of an antenna is to convert radio-frequency electric current to electromagnetic waves, which are then radiated into space.a€? Attached to a receiving device, antennas can also work in the reverse fashion, converting the electromagnetic wave back to an electric current. All over the nation, restoration projects are being constructed that restore historic wetlands and adjacent riparian overflow areas to provide the dual benefits of ecosystem restoration and natural flood protection. It is not known what the current structural condition of the dam is because it has been 43 years since the Division of Safety of Dams (DSOD) has inspected the foundation, toe, and groins of the dam. New diversion facilities can tie into existing storage facilities, irrigation, and landscaping pipelines and improve water delivery. One state agency, the Department of Water Resources, already offered to study alternatives at Searsville Dam, including removal, at no cost to Stanford. The artificial reservoir ecosystem also currently harbors many exotic species of fish and frogs, which would be eliminated or drastically reduced in numbers, benefiting native species.
As observed with other dam removal efforts, such as the Marmot Dam removal in Oregon, wild salmon and steelhead migrated upstream of the removed dam within several days of it being removed and reestablished themselves into historic habitat, expanding their distribution and improving their population health.
Biologically-rich wetland ponds and seasonal overflow wetland areas that are currently covered by the reservoir can be restored along with acres of transitional and upland habitat. Dam removal and ecosystem restoration plans can minimize the risk of additional exotic species becoming established during the restoration effort and help to minimize future exotic introductions.
Other sediment alternatives such as slurry piping and controlled sediment transport can be utilized to design the best plan to address project complexities.
As with so many other recently completed dam removal efforts, project stakeholders decided that the long-term gains to the ecosystem, dam owner, and surrounding communities warranted the short-term disturbance of dam removal. Only dam removal has the combined benefits of eliminating the safety liability of the dam, providing a free flowing stream, restoring historic habitat (wetland, stream, riparian), eliminating or reducing non-native species, providing unimpeded steelhead migration, and providing natural flood protection features.
Non-federal dams that do not produce hydropower are regulated by the state in which they reside.
The dam with the largest impoundment is Hoover Dam, on the Colorado River in Nevada, which stores approximately 30 million acre-feet of water.
The Federal Energy Regulatory Commission can order a hydropower dam under their jurisdiction to be removed for both environmental and safety reasons. In addition, removal often generates income from newly available recreation opportunities - including fishing, kayaking, and rafting - which may actually result in a net economic benefit.
Sediment that collects behind a dam, sometimes over hundreds of years, may contain toxics such as PCBs, dioxide, and heavy metals.
Because users connected to a switch do not have to share bandwidth, a switch offers relief from the network congestion a shared hub can cause. But we had to have a philosophy to build this speaker to, and the common wisdom (and technology) states tweeters in and woofers out.
Mid and highs being more directional should be spread out to give the listener a wider stereo image. Now a mix with the kick drum and bass guitar dead center (where the speakers arena€™t) should sound like you can close your eyes and reach out and touch them in that center space, where therea€™s no speaker! Note that the soundtracks for the release of movies on DVD's are re-mixed on flat response monitoring systems for reproduction in domestic environments. The EDID includes manufacturer name and serial number, product type, phosphor or filter type, timings supported by the display, display size, luminance data and (for digital displays only) pixel mapping data. Jacks marked phono are for phonograph turntables only, and are not compatible with anything else. That there are two different PoE power-transmission schemes isna€™t obvious to the casual user because PoE Powered Devices (PDs) are made to accept power in either format. Further distances can still be achieved by simply adding secondary LAN switches (330ft per switch). Instead, you want to increase the ampa€™s initial gain to achieve the desired amount of overdrive. Manufacturers of cleaning devices sometimes misstate claims and rarely detail exactly how their products should be used or how they can be misused.
Even after drying is apparently complete, these contaminants remain bonded to the end face surface and in a€?blinda€? areas such as the sides of ferrules, and within the bounds of generally accepted imperfections in the polished surface. Fixing plosives with audio editing software often creates more of a problem than the plosive itself. This reciprocity is similar to the manner in which a loudspeaker can also function as a microphone when attached to an audio input. In addition, dam removal efforts nationwide are being awarded funding to precede the dam removal with major downstream flood protection projects to increase channel capacity, replace undersized bridges, improve levee systems, and ensure that flood risks are reduced with the project. Many earthquakes and several decades have past since this last detailed foundation inspection. The remaining upper reservoir, west of Portola Road, is an historic wetland pond that preceded the construction of Searsville Dam.
Water quality and habitat conditions downstream are expected to improve with dam removal, as has been the case elsewhere.
Dam removal projects have consistently shown a strong benefit to salmon and steelhead populations in watersheds across the world. An amazing and diverse array of habitat types and species will be restored for birds, bats, steelhead, and the full array of native species. Most of the non-native species utilizing Searsville Reservoir cannot thrive in the natural flowing stream environment.
A combination of multiple sediment options has been used in other dam removal efforts and may provide the best way to deal with the sediment. The dam that provides the most hydroelectric power in the United States is Grand Coulee Dam, on the Columbia River in Washington, which generates 6180 megawatts (MW) of power. Re-suspension of these toxic-laden sediments in the process of dam removal has the potential to damage downstream water quality and threaten the health of fish and wildlife and water users. It is possible that a new-generation HDBaseT chipset will be required to support HDMI 2.0 capabilities. Improper Dry Cleaning can require corrective end face polishing and even jumper replacement. Read Atlas' guide to Protecting Compression Drivers for more ideas on how to save yourself time and money in the long run by protecting the driver(s) when it is installed. The mixer, which drives the power amplifier, also receives its ground from the AC power cord. Use of a pop filter will also protect your microphone's sensitive capsule - keeping it free from moisture caused by saliva projecting from the performer's mouth, and breath condensation. This is an unprecedented opportunity to get massive funding and ease of permitting to reduce flooding, restore ecosystem health, and rebuild Stanforda€™s out-dated water supply facilities to a modern and sustainable state.
Stanford is responsible for coordinating this inspection that DSOD has identified in the above 2007 inspection report as a a€?prudenta€? measure that should be taken. This pond can be maintained and continue to provide fire-fighting needs as well as water storage capacity and open-water wetland habitat benefits. Dam removal would also allow for the resurgence of annual steelhead trout runs to the watersheda€™s largest tributary for the first time in 120 years, bringing back a critical keystone species to the ecosystem.
Removal of Searsville Dam would open up over ten miles of historic spawning and rearing habitat in the largest tributary of the entire watershed, where high quality habitat and native rainbow trout persist. In addition, the dam removal will reestablish critical wildlife migration routes at this confluence of riparian corridors currently blocked by the dam and submerged by the reservoir.
A detailed Dam Removal Alternatives Analysis study would identify the many options available. Short term impacts of the dam removal itself can include increased water turbidity and sediment buildup downstream from releasing large amounts of sediment from the reservoir, and water quality impacts from sudden releases of water and changes in temperature. For now, many manufacturers are introducing HDBaseT products that can support 4K video within HDMI 1.4. For example, when using a Dry Cleaning technique, the recommended a€?twist and turna€? scrubbing motion applied to the dusty end face can result in scratches that can induce signal loss or signal deterioration. When the audio cable connects the mixer to the power amplifier the amplifier now sees a second ground from the mixer. Beyond Searsville Dam requested that the DSOD require this study and they have informed Stanford that the study should happen before the end of 2012. As part of the larger Searsville Dam removal and ecosystem restoration project, Stanford has an unprecedented opportunity to upgrade their water delivery and storage facilities with the benefit of available grant funding, eliminated safety liability, and ease of permitting.
The altered and artificial ecosystem would be transformed to a self-sustainable and native one. The remaining, and historic, upper pond located west of Portola Road can continue to provide open-water wetland habitat.
So you get a more solid image of your sound in between the speakers where the sound is and the speakers are not.
The a€?figure-8 motiona€?, used for end face polishing, should never be used for end face cleaning.
Good microphone technique, proper positioning, and use of a pop filter can make all the difference between a so-so vocal recording and a great one. As the dam and concrete continue to age, experience additional earthquakes, and as the reservoir fills in and transported sediment potentially scours the dam, the structural integrity is expected to be reduced over time. In addition, the upgraded water diversion and storage facilities can be designed to serve a critical secondary function of reducing flooding downstream by diverting and storing peak storm flows into collection basins as is being considered by the Joint Powers Authority in the watershed.
On most Crown amplifiers there is a "ground lift " switch on the back of the amplifier that performs this function and can be used to eliminate hum caused by ground loops.
The active San Andreas Fault run adjacent to Searsville Reservoir, which can be seen as the oval blue shape near the center of the map, adjacent to the highest a€?Very-Violenta€? shaking severity level on the above image.
Such multi-objective funding and permitting opportunities are being jumped at by dam owners across the country.
For Constant Voltage systems such as a 70.7V or 140V systems, the voltage is high and the current is low.
The figure-8 motion is a polishing procedure, which is not intended for use in routine cleaning. If you are using a cable service, such as cable TV, and you are routing the audio through your stereo system, you may experience a ground loop hum. Dam removal can eliminate the dam failure risk identified by San Mateo County and extensive downstream inundation. This is a result of the cable company's ground reference setting different than your system ground reference. Searsville Dam is listed as a a€?High Hazarda€? dam by the US Army Corps, State of California, and San Mateo County (pg. You can contact your cable company and get an isolation transformer that will take care of the problem. As noted in the above document, a High Hazard dam is defined as a dam whose failure would result in a€?probable loss of lives and significant property damagea€?. Stanforda€™s own report, SPEAR3, cites an analysis that determined failure of Searsville Dam could release a a€?catastrophica€? flow of 60,433 cubic feet per second, or a€?about 6 times the 500-year peak flow of 10,500 cfsa€? (Section 7.1 Page 7). Stanforda€™s own report, SPEAR3,A  cites an analysis that determined failure of Searsville Dam could release a a€?catastrophica€? flow of 60,433 cubic feet per second, or a€?about 6 times the 500-year peak flow of 10,500 cfsa€? (Section 7.1 Page 7).
In addition to geologic, aging, and seismic considerations, the dama€™s limited spillway design and operation and bypass flow drain pipe present additional safety challenges for dealing with dam overtopping during flood events and the ability to quickly drain the reservoir during an emergency.



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