Audioread in loop faster way

Question

Manolis Michailidis 2015-8-19

0
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https://ww2.mathworks.cn/matlabcentral/answers/234635-audioread-in-loop-faster-way

编辑： Manolis Michailidis 2015-8-24

Hello, i need to read multiply audio files so i wrote

for idx=1:Num
     filename =['my_dir\data\a',int2str(idx),'.wav'];
     x{:,idx}=audioread(filename);
end

,but it's very time consuming (let's say about 200 wav files) , so maybe there is any other faster way to do this? thanks in advance.

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Answer 1

Dinesh Iyer 2015-8-24

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https://ww2.mathworks.cn/matlabcentral/answers/234635-audioread-in-loop-faster-way#answer_190208

One thing you can try is use Parallel Computing Toolbox and read data from each file on a different MATLAB worker. That is the only way I can think of to speed up the operation.

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Manolis Michailidis 2015-8-24

编辑：Manolis Michailidis 2015-8-24

Hello, well i tested the time for reading 5 audios and with for loop the time is almost the half as with the parfor. With the parallel computing maybe there is any other function that you were refenring? , but with parfor it's not what i was expecting. Anyway thank's a lot it's always pleasure to learn new stuff in matlab. Note the time was calculated with tic/toc.

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