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how to represent audio data in histogram.
Manfred Rudolf Bihy 4-Jul-11 15:05pm    
Pray tell us what aspect of your audio signal you want to display in your histogram! There are two that spring to mind from the start: Frequency and volume level

That alone isn't enough though as we still ned to know what the ranges are. Need more information.
djrocks0101 5-Jul-11 1:01am    
I wanna use audio frequency representation for voice matching.

It is bar chart not histogram. Very interesting things can be found on This Personal Wave Recorder has a frequency visualizer that you probably looking for.
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search on google it can help you a lot.
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