Technical Specification
B.3.12.3 Dolby Digital Encoding
The VCMs support the following coding modes for Dolby Digital encoding:
• Mono 1/0 (center, from left).
• Mono1/0 (center, from right).
• Mono 1/0 (center, from left and right).
• Stereo 2/0 (left, right).
• Multi-channel 3/2L (left front, right front, center, LFE, left rear, right rear).
Dolby Digital (AC-3) components by default use the descriptor defined by the DVB in
the PMT. The following table gives the coding modes and bit rates for Dolby Digital
encoding.
Table B.23 Dolby Digital Specification
Bit Rate (kbps)
Single Channel Mono
(1/0) (Left or Right)
Dual Channel Stereo
(2/0)
Multi-Channel Stereo
(3/2)
32 YES
40 YES
48 YES
56 YES
64 YES
80 YES
96 YES YES
112 YES YES
128 YES YES
160 YES YES
192 YES YES
224 YES YES YES
256 YES YES YES
320 YES YES YES
384 YES YES YES
448 YES YES YES
512 YES YES YES
576 YES YES YES
640 YES YES YES
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