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Continuous Spectrogram from multiple wav files.

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Thomas Webber
Thomas Webber 2020년 5월 19일
댓글: Thomas Webber 2020년 5월 19일
Hello all,
I have been scouring the existing online help but cant seem to find exactly what I’m after. I have a folder with hundreds of 4 min wav files and want to produce a single spectrogram which contains them all. My initial thinking was to read in all wav files and somehow join them into one large file to later put into a spectrogram. Any help would be great appreciated!
Thanks,
Thomas

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Stijn Haenen
Stijn Haenen 2020년 5월 19일
Something like this:
data_tot=[];
>> for i=1:numel(files)
data=audioread(files(i));
data_tot=[data_tot ; data];
end
audiowrite('file.wav',data_tot,Fs);
  댓글 수: 3
Stijn Haenen
Stijn Haenen 2020년 5월 19일
편집: Stijn Haenen 2020년 5월 19일
you have to make colomns from your data, you can add some lines to do this:
data_tot=[];
>> for i=1:numel(files)
data=audioread(files(i));
if size(data,1)<2
data=data';
end
data_tot=[data_tot ; data];
end
audiowrite('file.wav',data_tot,Fs);
and you have to check whether all your files are single audio files or double (left and right audio).
Thomas Webber
Thomas Webber 2020년 5월 19일
Thats wonderful, thankyou for your help!

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