companding是什么意思

[电子]压缩扩展

1. Companding can effectively reduce the dynamic range of the audio signal.
压缩扩展技术可以有效地降低音频信号的动态范围。

2. The companding process is commonly used in telecommunications to improve the quality of voice communications.
压缩扩展过程在电信领域常用于提高语音通信的质量。

一种音频信号处理技术，通过压缩音频信号的动态范围，然后再扩展回原来的范围，以提高信噪比和动态范围。