Cobalt Digital Inc 9323 Product Manual page 12

1
SDI
Video
Input
Detect/Extract
SDI ATC_VITC
Detect/Extract
SDI ATC_LTC
Detect/Extract
Audio/
Audio LTC
RS-485 LTC
Select/Extract
1-8
Timecode Processor
(See Figure 1-3.) This function provides for extraction of timecode data from
the input video, and in turn re-insertion of timecode data into the output SDI.
The function can monitor analog and SDI video streams, and audio LTC over
a selected channel, for supported timecode formats and then select and
prioritize among analog VITC, SDI VITC, SDI ATC_VITC, SDI ATC_LTC,
and audio LTC timecode sources. Audio LTC can be received over a selected
balanced analog audio input, or as digital audio over a selected embedded or
AES input. If the preferred format is detected, the preferred format is used by
the card; if the preferred format is not detected, the card uses other formats
(where available) as desired.
The function also provides conversion between various timecode formats and
provides independent insertion and line number controls for each SDI
timecode output format.
between VBI formats over SDI and audio LTC, as well as RS-485 LTC.
Audio LTC can be received or sent over a selected balanced analog audio
input, or as digital audio over a selected embedded or AES input.
SDI VITC
Priority/
Select
Figure 1-3 Timecode Processor
9323 GROUP PRODUCT MANUAL
Option +LTC allows bidirectional transfer and conversion
HD/SD–SDI
(From Video Proc)
SDI VITC
Timecode
Proc/Embed
Buffer/
ATC_VITC
Format
Timecode
Proc/Embed
ATC_LTC
Timecode
Proc/Embed
Insert
Control
Number
Control
Audio/RS-485
LTC Generate
932X Functional Description
HD/SD–SDI
Video Output
Line
Audio LTC Out
RS-485 LTC Out
9323G-OM (V4.6)