Extract only the voiced part from a wav file?

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Christos Loizou
Christos Loizou 2017-11-25
回答： KALYAN ACHARJYA 2017-11-25
Read a wav file, i.e. a word, and then estimate only the voiced part of the file (only where there is activity). Save it in a new file and process it further.

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KALYAN ACHARJYA
KALYAN ACHARJYA 2017-11-25
%Test for Audio Extraction % Source@Stack Overflow
file='wav.AVI'; % Wav input file
file1='targetfile.wav';
hmfr= video.MultimediaFileReader(file,'AudioOutputPort',true,'VideoOutputPort',false);
hmfw = video.MultimediaFileWriter(file1,'AudioInputPort',true,'FileFormat','WAV');
while ~isDone(hmfr)
audioFrame=step(hmfr);
step(hmfw,audioFrame);
end
close(hmfw);
close(hmfr);
%end

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