Grass Valley NVISION Compact CQX - Manual (Page 85)

Compact Router System Configurator • User’s Guide 73
12. Tutorials
Cabling
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.
(So we could have that additional HD/SD level split if it desired. Could also add another AES
level if desired.)
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.