ANSI/CEA 608-E-2008
线路21数据服务

Line 21 Data Services

ANSI/CEA 608-E-2008 发布历史

This is a technical standard and guide for using/ providing Closed Captioning services or other data services embedded in line 21 of the vertical blanking interval of the NTSC video signal. It includes a provision for encoding equipment and/or decoding equipment to produce such material as well as manufacturers of television receivers which are required to include such decoders in their equipment. It is also a usage guide for producing and distributing material using such equipment.

ANSI/CEA 608-E-2008由美国国家标准学会 US-ANSI 发布于 2008。

ANSI/CEA 608-E-2008 在中国标准分类中归属于: M60 广播、电视网综合，在国际标准分类中归属于: 33.170 电视播放和无线电广播。

ANSI/CEA 608-E-2008的历代版本如下：

• 2008年 ANSI/CEA 608-E-2008 线路21数据服务

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标准号

ANSI/CEA 608-E-2008

发布日期

2008年

实施日期

废止日期

无

中国标准分类号

M60

国际标准分类号

33.170

发布单位

US-ANSI

适用范围

This is a technical standard and guide for using/ providing Closed Captioning services or other data services embedded in line 21 of the vertical blanking interval of the NTSC video signal. It includes a provision for encoding equipment and/or decoding equipment to produce such material as well as manufacturers of television receivers which are required to include such decoders in their equipment. It is also a usage guide for producing and distributing material using such equipment.