Monitor Dolby-B
ased Surround Sound
Any PCM input will be decoded to provide LCRS channels where the surround channel is reduced 3dB and reproduced in
both the Ls and R
s bars.
Pro Logic Phantom. Pro Logic Phantom will create a Lt/Rt downmix of any input with three or more channels. This
Lt/Rt downmix will then use Pro Logic decoding to produce a surround channel and provide LCS surround channels. This
surround channel is reduced 3dB and reproduced in both the Ls and Rs bars.
A 2/0 encoded Dolby stream will be assumed to be Pro Logic encoded already and will be Pro Logic decoded to produce a
LRS output. Again, the surround channel is reduced 3dB and reproduced in both the Ls and Rs bars.
Any PCM input will be decoded to provide LCRS channels where the surround channel is reduced 3dB and reproduced in
both the Ls and Rs bars.
Table 1: Channel Mode vs. Listening Modes
Channel Mode Listening Mode Main Channel Output Function
EX
All 3/2 channels + EX decode of back surround
Full
All 3/2 channels
3 Stereo 3 Stereo downmix of 3/2 channels
Phantom
Phantom downmix of 3/2 channels
Stereo Lo/Ro downmix
Mono Lo+Ro
PL Full
LCRS from Lt/Rt downmix
PL 3 Stereo 3 Stereo from Lt/Rt
3/2
PL P hantom
Phantom from Lt/Rt
EX
All 2/2 channels + EX decode of back surround
Full
All 2/2 channels
3 Stereo Default to Stereo mode
Phantom
Default to Full mode
Stereo Lo/Ro downmix
Mono Lo+Ro
PL Full
LCRS from Lt/Rt downmix
PL 3 Stereo 3 Stereo from Lt/Rt
2/2
PL P hantom
Phantom from Lt/Rt
EX
Default to Full mode
Full
All 3/1 channels
3 Stereo S mixed into L and R with smix coefficient
Phantom
C mixed into L and R with cmix c oefficient
Stereo Lo/Ro downmix
Mono Lo+Ro
PL Full
LCRS from Lt/Rt downmix
PL 3 Stereo 3 Stereo from Lt/Rt
3/1
PL P hantom
Phantom from Lt/Rt
Waveform Rasterizers Quick Start User Manual 103
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