不同的设备，录音效果会有较大幅度的变动，自动增益控制（AGC）就是用来处理这种现象的。
Automatic gain control (AGC) is a feature that deals with the fact that the recording volume may vary by a large amount between different setups.
不同的设备，录音效果会有较大幅度的变动，自动增益控制（AGC）就是用来处理这种现象的。
Automatic gain control (AGC) is a feature that deals with the fact that the recording volume may vary by a large amount between different setups.
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