The system structure and work theory are introduced. The key technology and basic theory of the digital audio exchange and mixing are expatiated.
介绍了系统结构、工作原理，阐述了数字语音交换、混合等关键技术和基本原理。
The system structure and work theory are introduced. The key technology and basic theory of the digital audio exchange and mixing are expatiated.
介绍了系统结构、工作原理，阐述了数字语音交换、混合等关键技术和基本原理。
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