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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 2014-8-14

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评论： Patrik Ek 2014-8-14

采纳的回答： Pratik Bajaria

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    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 2014-8-14

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Go through the MATLAB help given on the following link. I hope it will clear all your doubts.

http://www.mathworks.in/help/matlab/ref/fft.html

Let me know in case of further queries.

Regards, Pratik

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Patrik Ek 2014-8-14

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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