Standard No.:	GY/T 270-2013
English Name:	Specfication of closed caption system for digital television
Chinese Name:	数字电视隐藏字幕系统规范
Professional Classification:	GY    Professional Standard - Radio, Film and TV
Issued by:	State Administration of Radio, Film and Television
Issued on:	2013-8-14
Implemented on:	2013-8-14
Status:	valid
Language:	English
File Format:	PDF
Word Count:	25000 words
Price(USD):	750.00
Delivery:	via email in 1~3 business day

本标准规定了数字电视隐藏字幕的数据传输方式、传输分组结构、信息处理规范以及接收机制造商实施建议。
本标准适用于数字电视隐藏字幕业务制作，也适用于数字电视隐藏字幕编/解码器、数字电视接收机和数字电视信号处理设备的开发与生产，同时为听力障碍人士收看电视以及为节目携带多语种隐藏字幕提供技术保障。