Normalize-标准化¶
描述
This filter adjusts the level of the audio based on the loudness of the input. It is designed for live streams and applies the normalization based on a measurement window but has no lookahead possibilities. It performs loudness measurement over a specified sliding window of time. Then, it adjusts the gain on the output based on the difference between the measured loudness and the target loudness in order to achieve the desired loudness.
If you like to normalize an audio file or an entire track then use Normalize 2 Pass
参数
参数 |
值 |
描述 |
|---|---|---|
Target Program Loudness/目标程序响度 |
实数 |
目标程序响度（以 LUFS 为单位） |
Measurement Window/测量窗口 |
整数 |
计算响度的时间长度（以秒为单位） |
Maximum Gain Increase/最大增益增强 |
整数 |
过滤器将增加的最大增益量（以 dB 为单位） |
Maximum Gain Decrease/最大增益减少 |
整数 |
过滤器将减少的最大增益量（以 dB 为单位） |
Maximum Rate Change/最大速率变化 |
实数 |
(dB 每秒) |
注意
归一化的目标是提高音频电平到其设定的最大值，同时不能超过音频最响的部分。通常，如果音频信号在录制过程中由于录制设备设置错误或距离麦克风和音频源太远而电平过低，归一化非常有用。