Compand the audio signal to reduce noise.

压缩和扩展音频信号以减少噪音。

The software can compand digital audio files.

该软件可以压缩和扩展数字音频文件。

Engineers often compand signals in telecommunications.

工程师经常在电信中压缩和扩展信号。

Use a device to compand the signal for better quality.

使用设备压缩和扩展信号以获得更好的质量。

To improve the dynamic range, you need to compand the recording.

为了提高动态范围，你需要压缩和扩展录音。