Digitally encoded (DPCM) NTSC video is transmitted in a standard T3 data format and rate via a transmit interface module. The module is subjected to inputs comprising DPCM encoded NTSC video, horizontal sync and a video sampling clock at 3f.sub.sc, where f.sub.sc is the color subcarrier frequency. The...http://www.google.fr/patents/US4479142?utm_source=gb-gplus-shareBrevet US4479142 - Interface apparatus and method for asynchronous encoding of digital television
Interface apparatus and method for asynchronous encoding of digital television
