Plot time of audio file in milliseconds

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Chris79
Chris79 2017-11-24
评论： Star Strider 2017-11-25
Hi there,
I have imported a .wav file into MATLAB, I am plotting this audio file in amplitude/time but I need it to be displayed in milliseconds rather than seconds.
The .wav file is configured in the workspace as data and fs.
The code I am using to plot the file in time is :
>> t=[0:length(data)-1] / fs;
>> plot(t, data);
Many thanks in advance for your time.

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Star Strider
Star Strider 2017-11-24
Try this:
plot(t*1E+3, data);
That converts seconds to milliseconds. The plot otherwise remains the same.
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Chris79
Chris79 2017-11-25
Again this is great and really useful.
Thank-you for sharing your knowledge and for explaining it too, it is much appreciated.

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