DTH technology2

Community access television (CATV) is a television distribution system that uses a network of cables to deliver multiple video, data, and audio channels. This excerpted chapter from Telecom Systems provides an overview of cable television systems including cable modems, digital television, high definition television (HDTV), and the market growth of cable television and advanced services such as video on demand. Some of the topics described include: broadcast television, cable television, cable converters, distribution network, head-end, market growth, analog video, digital video, signal scrambling, National Television Standards Committee (NTSC), Phase Alternating Line (PAL), Sequential Couleur Avec Memoire (SECAM), Motion Picture Experts Group (MPEG) Compression, Data Over Cable Service Interface Specifications (DOCSIS), and Pay per View (PPV). Future enhancements such as wireless cable, cable telephony, and interactive television are also included.
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