How to Adjust Volume with Automatic Gain Control?

Free Sound Recorder applies AGC (Automatic Gain Control) to improve recordings.

1. Launch Free Sound Recorder & click "Options" to activate the options window.

Activate the Options Window

2. choose "Automatic Gain Control". Check "Automatic Gain Control enabled". Then, you can set some parameters of AGC: Low Level, High Level, Attack Time. Click "Ok" to save your settings.

Set the Parameters of Automatic Gain Control

The volume will be decreased if the level is more than High Level. And the volume will be increased if the level is less then Low Level. The rate of the volume changing is equal to (20db / Attack Time).

AGC Form

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