空间站多终端音频集中处理网络架构实现  

Implementation of Multi-terminal Voice Centralized Processing Network Architecture in Space Station

作　　者：黄建青 罗鹏 戴志晃 陆彬 朱浩文 齐鑫 HUANG Jianqing;LUO Peng;DAI Zhihuang;LU Bin;ZHU Haowen;QI Xin(Shanghai Aerospace Electronic Technology Institute,Shanghai 201109,China;Beijing Institute of Spacecraft System Engineering,Beijing 100094,China)

机构地区：[1]上海航天电子技术研究所,上海201109 [2]北京空间飞行器总体设计部,北京100094

出　　处：《上海航天（中英文）》2022年第S02期161-167,共7页Aerospace Shanghai（Chinese&English）

摘　　要：介绍了空间站多终端音频集中处理架构的构成以及话音处理器的功能。针对空间站链路多样化音频集中处理、多用户实时高保真通话、多音频终端动态管理与通信、在轨音频参数动态调整等需求,采用多终端音频集中处理、音频数据数字混音、网络音频数据传输与网络音频终端管理、音频参数与密钥的动态管理技术等技术,实现了航天员的多链路实时高质量通话,以及对通话终端的实时维护与管理、各种音频参数进行动态管理。地面试验和飞行试验结果表明:该处理架构满足所需要的在轨音频处理需求,在天地通话、天宫课堂、航天员出舱等重要节点中完成了高可靠通话任务。The paper introduces the structure of multi-terminal voice centralized processing architecture in space station,the function of voice processor.In view of requirements,such as the voice centralized processing architecture under situation of diverse communication links,multi-user real-time high fidelity voice communication,more dynamic voice terminal management and communication,on-orbit audio parameters dynamic adjustment,adopts the multiterminal voice centralized processing technology,digital audio mixing technology,network voice data transmission and terminal management technology,dynamic management technology for audio parameters and key,realizes multi-link real-time high fidelity communication for astronauts,the real-time maintenance and management of the voice terminal and the dynamic management of parameters.The results of ground tests and in-orbit tests show that the architecture can meets the needs of in-orbit voice processing,and can complete high reliable communication tasks in important nodes such as communication between space station and earth,Tiangong classroom and astronaut extravehicular activities.

关 键 词：音频通信 数字混音 语音编码 语音终端管理 网络语音通话 

分 类 号：V476.1[航空宇航科学与技术—飞行器设计] V443