Imagine HDX-6800+B4, Инструкция по установке и эксплуатации

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HDX6800
+
B2/C2 and HDX6800
+
B4/C4 Installation and Operation Manual 65
Appendix A: Audio Bit Manipulation
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
• RX ignores bits
• TX passes bits
unmodified
2 0 to 2 [000] Aux. bit use is not indicated
[001] Aux. bit use is audio data
[010] Aux. bit use is co-ordination
signal
[011] to [111] Undefined N
N
N
N Y
Y
N
N
• RX ignores bits
• TX sets bits according to
transmitted word length
2 3 to 5 [000] Not indicated
[001] Max Length - 1
[010] Max Length - 2
[011] Max Length - 3
[100] Max Length - 4
[101] Max Length
[110] to [111] Undefined N
N
N
N
N
N
N N
N
N
N
Y
Y
N
• RX ignores bits
• TX sets bits according to
transmitted word length
2 6 to 7 [00] Alignment level not indicated
[01] Alignment to SMPTE RP155
[10] Alignment to EBU R68
11] Reserved N Y
• RX ignores bits
• TX sets bits to [00]
3 0 to 6 bit 7 = 0: Channel number
bit 7 = 1: [0,1,2,3] Channel number
[4,5,6] Multi-channel mode N Y
• RX ignores bits
• TX sets bits to [0000000]
3 7 [0] Undefined multi-channel mode
[1] Defined multi-channel mode N Y
• RX ignores bits
• TX sets bits to [0]
4 0 to 1 [00] Not a reference
[01] Grade 1 reference
[10] Grade 2 reference
[11] Undefined N
N
N
N Y
N
N
N
• RX ignores bits
• TX sets bits to [00]
4 2 Reserved N Y
• RX ignores bits
• TX sets bits to [0]
Table A-2. Channel Status (C-Bits) Data Description (Continued)
Byte Bit Function RX TX Remarks