Continuous Spectrogram from multiple wav files.

Question

Thomas Webber 2020-5-19

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/526594-continuous-spectrogram-from-multiple-wav-files

评论： Thomas Webber 2020-5-19

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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Answer 1

Stijn Haenen 2020-5-19

0
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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/526594-continuous-spectrogram-from-multiple-wav-files#answer_433350

在 MATLAB Online 中打开

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);

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Stijn Haenen 2020-5-19

编辑：Stijn Haenen 2020-5-19

在 MATLAB Online 中打开

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);