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Comments and Ratings by chirawat View all
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30 Apr 2012 M-QAM modulation and demodulation this is the QAM modulation and demodulation tech. with speech example Author: Santosh Shah

Hi, Santosh Shah
I use MATLAB 2009, I have tried to run your code but it doesn't work. In command window show this message.

>> my_speech(64,'qam')
??? Error using ==> wavread at 67
Cannot open file.

Error in ==> my_speech at 17
siz = wavread(test_data, 'size');

How can I fix it?
Best regard,

17 Jun 2011 Digital Signal Processing Using MATLAB Companion Software Author: John Proakis

Okay, I abandon to read of all. I see this function and I downloaded.

Thank yo very much.

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