downsampling a music in matlab

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Bahareh on 19 Oct 2011
Hello all,
I have a .wav type music and would like to undersample it at 4kHz to view the aliasing effect. Can somebody help me please?
Thanks in advance.

Accepted Answer

Daniel Shub
Daniel Shub on 19 Oct 2011
doc downsample
Assuming your music is starting with a sample rate of 44.1 kHz and you are happy with a sampling rate of ~4009.09 Hz (44.1e3/11) then:
y = downsample(x, 11);

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