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In this section |
See also Ambient Sensing Leveler (continuous sensing) |
The Automatic Gain Control controls signal dynamics so that, despite variations in the input level, the average output level from the device is at a pre-set level. The automatic gain control is typically used to mimic the action of a sound mixer riding the faders. The AGC can compensate for loud or soft spoken speakers by automatically raising or lowering the gain. The AGC contains threshold and recovery circuitry which makes it particularly suited for applications where speech is input.