ALSA record wave has noise
2015-06-04 13:18
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I need to capture audio data for my project,so I use ALSA library. At the start,I make a experiment at the laptop,I found the captured audio data has much noise.But the noise is little with other professional tools.
The below pictures are showing the difference.
There must exist some algorithm to reduce the noise.
The below pictures are showing the difference.
There must exist some algorithm to reduce the noise.
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