How to plot sound versus time?

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Shubham Nishad 2014-1-27

评论： Shubham Nishad 2014-1-27

Hello, I recorded voice by using

record = wavrecord(5*44100,44100,1);

and then I want to plot the record vector versus time.so I did

t = 0:1/44100:5;
plot(t,record)

But I am getting error that record and t matrix size are not same and so matlab can't plot that graph. How to fix this issue?

Error Message: Error using plot Vectors must be the same lengths.

Wayne King 2014-1-27

You are defining t to run from 0 to 5 in increments of 1/44100, so it will contain 220501 elements (including 0)

Do this:

t = 0:1/44100:5-(1/44100);
plot(t,record)

Shubham Nishad 2014-1-27

Thank You buddy :)

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