Leitch Neo AS-3901-B, Installation And Operation Manual

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44 AS-3901-B and -C Installation and Operation Manual
Appendix B: Audio Bit Manipulation
Channel Status Bits
Table B-1. C-Bit Manipulation
Byte Bit Function RX TX Remarks
0 0 [0] Consumer Use
[1] Professional Use N
Y N
Y Set to 1
0 1 [0] Audio
[1] Non-Audio S
S Y
Y Passed unmodified
0 2 to 4 [000] Not Indicated
[100] No Emphasis
[110] 50/15 us
[111] CCITT J.17 S
S
S
S Y
Y
Y
Y Passed unmodified
0 5 [0] Locked
[1] Unlocked N
N Y
N
• Set to 0 if DARS locked
• Set to 1 if DARS
unlocked
0 6 to 7 [00] Not Indicated
[01] 48 khz
[10] 44.1 khz
[11] 32 khz Y
Y
Y
Y N
Y
N
N Set to [01]
1 0 to 3 [0000] Not Indicated
[0001] Two Channel
[0010] Mono
[0011] Prim/sec
[0100] Stereo
[0101] To [1111] Undefined N
N
N
N
N
N Y
N
N
N
N
N Set to 0
1 4 to 7 [0000] Not Indicated
[0001] 192 Bit Block
[0010] AES18 (Hdlc)
[0011] User Defined
[0100] To [1111] Undefined S
S
S
S
S Y
Y
Y
Y
Y Passed unmodified
2 0 to 2 [000] Not Indicated
[001] Audio Data
[010] Co-ordination Signal
[011] To [111] Undefined N
N
N
N Y
Y
N
N Set to [001] if 24 bits;
otherwise set to [000]