Complete Communications Engineering

Automatic Gain Control

Automatic Gain Control (AGC) is used keep a constant recording volume regardless of the input signal level. AGC is typically one of the last Voice Quality Enhancement (VQE) blocks of the transmit path of the microphone signal. A wide dynamic range of input speech levels can be difficult and tiresome to the listener on the far-end.  AGC is implemented to resolve this issue.

Automatic Gain Control

The gain by which to achieve a constant recording level is determined by monitoring the voice activity state and the peak levels of the input signal.  When talkers speak too softly or are located a far distance away, then the signal will be amplified.  When the talkers speak too loudly or are located close to the microphone, then the signal will be attenuated.

Automatic Gain Control Software Features

Automatic Gain Control Applications

supported platforms

VOCAL’s solution is available for the above platforms. Please contact us for specific supported platforms.


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