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IQBRK00/01
B12
IQBRK00OPS 05/04/07
www.snellwilcox.com
Version 1 Issue 6
B12.5
Block Diagram
O
u
tp
u
ts
in
p
u
ts
SDI RX &
Equalisation
Video
Proc. Amp
SDI TX
Selective
Ancillary
Blanking
SDI RX &
Equalisation
I/
O
GPI Control
and
TTL Pulse I/O
Built-in
Intelligence
AES RX &
Sample Rate
Conversion
AES RX &
Sample Rate
Conversion
ancillary data bypass
Network
control
monitoring
intelligence,
and
Demux
Demux
Channel
Router
Audio
Tracking
Delay
Assignable
Audio
Mixers
Assignable
Audio
Mixers
Assignable
Audio
Mixers
Assignable
Audio
Mixers
Audio
Firewall
Tone
Generator
Tone
Generator
Additional
Delay
Signal
Monitoring
1
X
G
P
I
1
2
1
2
1
2
AES TX
AES TX
DAC
DAC
1
2
3
4
DAC
DAC
1
2
Ancillary
Data
Multiplexer
Channel
Proc. Amp
Channel
Proc. Amp
Channel
Proc. Amp
Channel
Proc. Amp
Adjustable
Pair Delay
Adjustable
Pair Delay
Features
Combine AES and embedded source channels
•
Produce embedded, AES and analog audio
outputs
•
Handles 2 AES streams or any eight
embedded input channels to total eight output
channels
•
Handles up to 24 bit embedded audio present
on the incoming SDI stream, and embeds/de-
embeds to 20 bits
•
Channel-level (Sub-frame) routing for selected
sources
•
4 off 4 channel assignable audio mixers
•
Flexible audio delay including per pair fixed
delay, common fixed delay and tracking delay
•
Up to 3 frames of video delay
•
Firewall for processed PCM audio to provide a
continuous output
For more information about Firewall behavior please consult the appendix at the end of this manual.