2. Decoder
The decoder (figure 13 ), or Set Top Box, is made up of several components described below.
2.1 Tuner
The first step in watching a program is, of course, to recover the bitstream as it has been constructed, in order to obtain all the useful information. The antenna connected to the decoder sends it a modulated signal that also includes all the error correction data. The tuner (figure 14 ) has several options for retrieving the information it needs for tuning: either the on-board application...
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References
- (1) - VITERBI (A.J.), OMURA (J.K.) - Principes de communications numériques. 1992 - Dunod.
- (2) - GLAVIEUX (A.) - Communications numériques. - 1996 Masson.
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