Partitioning – Grass Valley CRSC v.3.2 User Manual
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CRSC
User’s Guide
AES in = 32, AES out = 11 (6 AES 1/2 to the VTRs, 3 Dolby + 1 stereo to the D/A, 1 “DDD”)
AA in = 3 mic + 1 silence), AA out = 1 (mic out to AES mic in)
The system needs these routers:
CR1616-HD (handling both HD and SD)
CR3232-AES
CR1604-AA
Additional equipment to be purchased:
1 HD-to-SD down-converter (DVD to VTR)
1 analog-to-AES audio converter for mics
4 AES-to-analog converters (4 AES in, 4 analog pairs out) for speakers/VU
As far as panels are concerned, there are 16 sources and 10 destinations. The DVD output uses
the 6 Dolby speakers/VUs. The VTR outputs use the 2 stereo speakers/VUs. The VUs and speakers
are on the same circuit. The operator can adjust the speaker levels.
Therefore, a CP1616 is sufficient.
The speakers are all analog (and so are the VUs) so the AES outputs will require D/A conversion.
The mics require AA to AES conversion. To record the HD of the DVD to a VTR requires (at least)
one down-conversion channel.
Partitioning
HD router:
8 SD, 8 HD in, 8 SD out, 2 HD out
Put the 8 SD in & out on the left and the remaining (HD) devices on the right. Could partition
the router into 2 levels but that creates an extra level for nothing.
Result one combined SD/HD level. (SD gets routed as SD, HD gets routed as HD.)
Level name = ‘SD/HD’
AES router:
12 AES 1/2 in, 6 each AES 3/4, 5/6, 7/8 in, Mic in, DDS (32 in all)
14 out (6 AES 1/2, 4 for speakers, 1 DDD)
The HD with Dolby requires 4 levels: AES12, AES34, AES56, AESLR. Let the SD with just AES 1/
2 use the level named AESLR.
Partitions: AES12 = in 1–6, out 1; AES34 = in 7–12, out 2; AES56 = in 13–18, out 3;
AESLR = in 19–32, out 4-32
Total now 5 levels.
AA router:
In 4 pairs (3 mics + silence)
Out (1 pair to A/D to AES mic in)
Put the 3 mic pairs on the first DB25 input. The mic out goes on the first DB25 output.
Levels: one additional level (‘AA’). The total is now 6 levels.
Note
Note the clusters of I/O on the DB25s. 1-8, 9-16, 17-24, 25-32. They are labeled as if
mono, but in fact are switched in stereo pairs.