Cobalt Digital COMPASS 9275 HD_SD-SDI Analog Audio De-Embedder - Manual (Page 41)

9275-4C / 9275-8C User Manual •••• (V 1.2) Specifications •••• 5-3
Table 5.3 Channel Status Data
Byte Bit Function Transmitted
0
Professional or Consumer use of Channel Status
Block
Professional (1)
1 Normal Audio or Non-Audio Mode Normal Audio (0)
2-4 Emphasis No Emphasis (100)
5 Lock Indication Locked (0)
0
6-7 Sampling Rate 48kHz (01)
0-3 Channel Mode 2 channel stereo (0001)
1
4-7 User Bit Mode 192-bit (0001)
0-2 Auxiliary Bit Usage 20-bit audio sample, Aux bits undefined (000)
3-5 Sample Word Length 20- or 24-bits (101) 2
6-7 Alignment Level Not Indicated (00)
3 0-7 Multi-channel Modes Undefined (0)
0-1 Digital Audio Reference Signal Not a Reference (0)
2 Reserved 0
3-6 Sampling Frequency Not Indicated (0000)
4
7 Sampling Frequency Scaling Flag No Scaling (0)
5 0-7 Reserved Unused (0)
6-9 ASCII Source ID Unused (0)
10-13 ASCII Destination ID Unused (0)
14-17 Local Sample Address Unused (0)
18-21 Time of Day Unused (0)
22 0-7 C data reliability
Only the first 5 Status Bytes are marked as Reliable. All
other Status Bytes are marked as Unreliable.
23 0-7 CRC Calculated CRC
Passing the Status Bytes
The 9275 replaces Channel Status Bytes according to Table 5.3 or passes Status Bytes through from
input to output. In order for the Channel Status Bytes on the incoming embedded stream to be re-
embedded, the outgoing Data Word Length must match the specified word length in the Channel Status
bits.