I am confused. I read here that Android has no support for gain control (this article is dated 2013/09/21). and I found AutomaticGainControl class in AudioEffect. what does "software gain control means"? any difference?
Is it used by default while using AudioRecord or i have to call it?
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hanaa
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Its [automatic](http://stackoverflow.com/questions/14377481/how-avoid-automatic-gain-control-with-audiorecord) – Skynet Aug 13 '14 at 13:24
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is there a chance that this automatic gain control is increasing distortion? is there a way to disable it? – hanaa Aug 13 '14 at 13:26
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Yes that is a possibility check [here](http://stackoverflow.com/questions/23435951/automatic-gain-controlagc-for-external-mic) – Skynet Aug 13 '14 at 13:28