H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 5/455 (2006.01) H03M 7/30 (2006.01) H03M 13/23 (2006.01) H03M 13/41 (2006.01) H04L 27/00 (2006.01) H04N 5/46 (2006.01) H04N 5/44 (2006.01) H04N 7/24 (2006.01)
Patent
CA 2161467
A Digital signal processor selectively demodulates and decodes signals received from multiple types of transmission channels such as satellite, terrestrial and cable transmission channels. A received signal is representative of compressed digital video information such as television picture information, and is encoded in one of a plurality of coding formats (e.g., trellis or punctured codes of selectable code rate). The received signal is also modulated in one of a plurality of modulation formats (e.g., PAM, QAM or PSK). A demodulator selectively demodulates the signal modulated in one of the plurality of modulation formats, and a decoder selectively decodes the demodulated signal coded in one of the plurality of coding formats.
Ramaswamy Kumar
Stewart John Sidney
Craig Wilson And Company
Thomson Consumer Electronics Inc.
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