Sunday, 12 April 2015

music - Does taking the Hilbert transform extract the envelope of audio signals?


I want to extract the envelope of music signals with a sample rate of 44.1kHz.



I used the MATLAB command: abs(hilbert(mysignals)), but the resulting signal is similar to the original signal, not the envelope.


Does taking the Hilbert transform extract the envelope of an audio signal? Or is my calculation incorrect?




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