Chapter 10: Audio Configuration Menu Audio AC3 Operational Setup
© Harmonic Inc. Manual p/n 101543/Ver 1.0 10-4 ProView 2900 Series/SW Version 1.94
• MUSICAM – Sets the audio decoder mode to MUSICAM
• DOLBY-AC3 – Sets the audio decoder mode for the AC-3 downmix
• AC3 PASSTHRU – Sets the audio decoder mode to AC-3 Pass-through
• LINEAR-PCM – Sets the audio decoder mode to Linear PCM and Dolby E Pass-through.
Only ProView 2980, ProView 2981, ProView 2991, and ProView 2991 Audio 3 and Audio
4 support this feature
• AUTOMATIC – Automatically detects the audio decoding mode
NOTE
Audio3 and Audio 4 Decoder Mode parameters must be identical .For example: when Audio3
Decoder mode is set to AC3 PASSTHRU, Audio 4 must be set to AC3 PASSTHRU as well.
10.3. AC3 Downmix Mode Setup
The AC-3 Downmix mode allows you to set the downmix mode to 2/0.
AC3 Downmix Mode
AC3 Downmix Mode AC3 Downmix Mode
AC3 Downmix Mode
1
11
1
2/0 L,R
2/0 L,R 2/0 L,R
2/0 L,R
2
22
2
1/0 C MONO
1/0 C MONO 1/0 C MONO
1/0 C MONO
3
33
3
2/0 L,R STEREO
2/0 L,R STEREO 2/0 L,R STEREO
2/0 L,R STEREO
4
44
4
3/0 L,C,R
3/0 L,C,R 3/0 L,C,R
3/0 L,C,R
5
55
5
2/1 L,R,S
2/1 L,R,S 2/1 L,R,S
2/1 L,R,S
6
66
6
3/1 L,C,R,S
3/1 L,C,R,S 3/1 L,C,R,S
3/1 L,C,R,S
7
77
7
2/2 L,R,Ls,Rs
2/2 L,R,Ls,Rs 2/2 L,R,Ls,Rs
2/2 L,R,Ls,Rs
8
88
8
2/2 L,C,R,Ls,Rs
2/2 L,C,R,Ls,Rs 2/2 L,C,R,Ls,Rs
2/2 L,C,R,Ls,Rs
The available options are: 2/0 L, R, 2/0 C mono, 2/0 L, R stereo, 3/0 L, C, R, 2/1 L, R, S, 3/1
L, C, R, S, 2/2 L, R, Ls, Rs, 2/2 L, C, R, Ls, Rs.
10.4. Audio AC3 Operational Setup
The Audio AC3 Operational parameter selects the audio output mode of operation on a
specific audio for the Dolby AC-3 processed audio information (for example, Audio 1 output).
AC3 Operational
AC3 Operational AC3 Operational
AC3 Operational
1
11
1
CUSTOM MODE 0
CUSTOM MODE 0CUSTOM MODE 0
CUSTOM MODE 0
2
22
2
CUSTOM MODE
CUSTOM MODE CUSTOM MODE
CUSTOM MODE 1
11
1
3
33
3
LINE OUT MODE
LINE OUT MODE LINE OUT MODE
LINE OUT MODE
4
44
4
RF REMOD MODE
RF REMOD MODE RF REMOD MODE
RF REMOD MODE
The available options are: Custom Mode 0, Custom Mode 1, Line Out Mode, RF Remod
Mode. The default for Audio AC-3 Operational output is Line Out mode.
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