Description:
Serves as a technical guide for those providing encoding equipment and/or decoding equipment to produce material with encoded data embedded in Line 21 of the vertical blanking interval of the NTSC video signal. It is also a usage guide for those who will produce material using such equipment. Revision incorporates analog content advisory, TSID, URL and other prior standards and bulletins.
Keywords:
Digital television, DTV, embedded data, data stream, closed captioning, program guide, line 21, data, data services, encoding, encode, decoding, decode, transmission, NTSC, analog television, TV, content advisory, v-chip, video, CEA