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how to downsample a audio having sampling rate 44100 Hz to 2000Hz in matlab? This is the program i used but it showing error. how to rectify it?

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SUCHITHRA K S 2018-10-23

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https://ww2.mathworks.cn/matlabcentral/answers/425532-how-to-downsample-a-audio-having-sampling-rate-44100-hz-to-2000hz-in-matlab-this-is-the-program-i-u

编辑： Walter Roberson 2021-1-27

在 MATLAB Online 中打开

[x, fs1] = audioread('audio8.wav');
    ts1=1/fs1;
    N1=length(x);
    Tmax1=(N1-1)*ts1;
    t1=(0:ts1:Tmax1);
    figure;
  plot(t1,x),xlabel('Time'),title('Original audio');
   [y,fs2]=downsqample(x,20,441);
   ts2=1/fs2;
   N2=length(y);
   Tmax2=(N2-1)*ts2;
   t2=(0:ts2:Tmax2);
   figure;
   plot(t2,y),xlabel('Time'),title('downsampled audio');

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madhan ravi 2018-10-23

What’s the error message paste everything in red here

SUCHITHRA K S 2018-10-23

Error using downsample Too many output arguments.

Error in project (line 8) [y,fs2]=downsample(x,20,441);

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回答（1 个）

madhan ravi 2018-10-23

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https://ww2.mathworks.cn/matlabcentral/answers/425532-how-to-downsample-a-audio-having-sampling-rate-44100-hz-to-2000hz-in-matlab-this-is-the-program-i-u#answer_342850

编辑：madhan ravi 2018-10-23

Should be downsample but you wrote it as downsqample

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madhan ravi 2018-10-27

编辑：madhan ravi 2018-10-27

Thank you sir Walter . @Suchithra you can appreciate the persons time by accepting the answer and also it indicates the question is solved

atek 2021-1-27

Sir Walter indeed, as usual. @SUCHITHRA K S, I strongly 2nd @madhan ravi's comment

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