江苏卫视高清频道杜比5.1环绕声播出系统建设

Construction of Dolby 5.1 Surround Sound Broadcasting System in Jiangsu TV HD Channel

本文介绍了江苏卫视高清频道播出信号音频编码方式由MPEG编码升级改造为Dolby AC-3编码的实施过程和经验。主要从系统设计、环绕声节目声道规范、系统测试,信号切割等几个方面进行了详细的描述。

This paper introduces conversion of the Jiangsu Satellite TV HD channels broadcasting signal's audio coding scheme from MPEG to Dolby AC-3. This paper mainly covers areas including system design, sound channel specifi cation, system testing and signal cutting.