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How can I obtain a graphics of a sound input acquired through a microphone?
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I need to obtain a graphic, .mat file for example, which should represent the audio trace acquired by a microphone connected to an FPGA.
I need the output to be in a form that should allow some processing on it, like for example a bandwith translation or an amplification.
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Walter Roberson
on 14 Oct 2015
You cannot do bandwidth translation (whatever that is) or amplification on a plot: you apply those to the audio data that you read in.
There are numerous different ways of representing audio data, including plain plot() in the time domain, right up to spectrogram()
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