Using lowpass filter for channel simulation

2012 2 2
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更新时间：2013 9 26
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Hello
I need to simulate some audio files using lowpass FIR filter (Digital). I have tried doing it using simulink but I need to do it using a code. Can anyone please tell me how to do it? I am facing a problem as I dot know how to incorporate the audio file(.wav). It would be great if anyone could give me some ideas of doing it.
Thank you:)

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Wayne King
Wayne King 2012-2-2
I see you had a memory issue reading your .wav file. Do you have the DSP System Toolbox in your installation?
olivia
olivia 2012-2-2
Yes, I have the DSP system toolbox installed. I broke the audio file into smaller chunks as well but it still does not work.

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