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Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Now, I want to find the fundamental frequency but I could not understand which steps do I need to do this. Since I am not familiar to both speech processing and matlab, any help and advice is very much appreciated. At the moment what you are plotting is the two sided, unnormalized fft coefficients, which don't tell much.
The problem is that you have a plot of Amplitude vs Sample Number instead of a plot of Amplitude vs Frequency.In order to calculate the fundamental frequency you need to find the frequency that corresponds to the highest frequency. Not the answer you're looking for?Browse other questions tagged matlab signal-processing fft or ask your own question. How do I filter an audio signal that has 4 noise spikes in its Fourier transform in Matlab? In a formal paper, should I censor "brainf**k", the name of a programming language?
Is there a more effective way to build the vocabulary of a fictional language than a word frequency list? In my previous article, I showed you a direct mail piece a new local pizza shop sent out that is a classic example of what I call mediocre marketing.


It pains me when I see a local business owner miss the mark with their marketing efforts and create mediocre marketing that does little to get them closer to their business and financial goals.
In my last article, I showed an attempt of high impact marketing that goes wrong by trying to personalize in a way I consider deceitful and simply wrong (you can read it here). Since 1998, I've been helping businesses owners create more effective and profitable marketing. Electrical Engineering Stack Exchange is a question and answer site for electronics and electrical engineering professionals, students, and enthusiasts. I tried replacing the middle part of the circuit (R2,L,C) with an equivalent impedance and then finding U2 depending on U1, but it is very time-consuming. Maybe considering this circuit as a cascade connection of three two-port networks (R1 ; L,R2,C ; R3)?
This question came from our site for active researchers, academics and students of physics. I think there's no magic approach to this: these kind of "ladder" circuits (that's a name I invented right now) are always a pain. Now of course you can compute the series R1, Z1 and R3, Z3 that leaves you with a T network that is probably already solved in literature.
Not the answer you're looking for?Browse other questions tagged capacitance resistance inductance or ask your own question.


Is equivalent resistance always lower if we add a resistor to a passive electronic circuit?
Find the capacitance of this rectangular slab of two films of metal virtually 0 thickness and 2 sheets of plastic.
Are Catholic priests allowed by church law to provide professional counseling and referrals to penitents who come to them to confess? I want to find the fundamental frequency of speech signal to determine the gender of the speaker. Have been for years and recently while listening to their Highway to Hell album, the title (and marketing concept) for this article came to me. I was taught that as long as I know the ABCD matrix, I only have to multiply them, no matter how the 2-port networks look. Using the single sided spectram you would be able to find the dominant frequency which might be the fundamental frequency of the speech signal.



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