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How can i determine the dominant frequency and maximum amplitude of a signal from its line spectral plot

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TESFAW
TESFAW 2014 年 8 月 14 日
コメント済み: Patrik Ek 2014 年 8 月 14 日
Hello! all the matlab families
I fail to do my project on real time sound signal captured through microphone
data length 131072, sampling frequency 44100Hz, mono and double data type
I need to plot the data in time and frequency domain respectively and I should write a code
that displays amplitude(max) and frequency(dominant)
plz help me!

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Pratik Bajaria
Pratik Bajaria 2014 年 8 月 14 日
Go through the MATLAB help given on the following link. I hope it will clear all your doubts.
Let me know in case of further queries.
Regards, Pratik

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Patrik Ek
Patrik Ek 2014 年 8 月 14 日
This does then assume that fft is good enough of course, there is also some functions doing AR and ARMA estimations. For example http://www.mathworks.se/help/ident/ref/ar.html

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