So wideband digital speech communication with high quality becomes more and more desired.
因此，清晰、高质量的宽带数字语音通信成为一种需求。
The process, principle and key technologies of digital speech communication based on network were introduced.
介绍了网络数字语音通讯的过程、原理和关键技术。
Now in the area of wideband digital speech communication, G. 722 standard which was approved by CCITT in 1988 becomes more and more popular.
目前，在宽带数字音频通信领域，1988年由CCITT制定的G.722标准被广泛认可和应用。
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