How to reduce recording noise when recording with audio sessions?

To do this you would have to do some Digital Signal Processing. You would have to create a characterization of the noise you hear while nothing is going into the mic. In other words, you would have to specify the white noise that is being recorded or picked up.

You would do all of these characterizations with Digital Sound Processing (DSP). Then you can record your audio and subtract the white noise that you characterized earlier.

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