通过噪音评估，调节录音增益，调整端点检测方法参 数来提高语音识别率。
The invention is characterized in that: by evaluating noise, adjusting recording gain and adjusting port detection parameters to improve speech rate.
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.
增加了增益设置(实验)。通过调整输入增益，可以使录音更响亮或较柔和。
Added experimental gain setting. You can make the recording louder or softer by adjusting the input gain.
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