Cobalt Digital COMPASS 9083 HD_SD Frame Sync - Manual (Page 12)

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9083 Functional Description
1-8 9083 PRODUCT MANUAL 9083-OM (V4.5)
Dolby ® Metadata Extractor/Re-inserter
Notes: • (9083 only) This function allows metadata extraction from input video only.
• (9083-DEC only) This function is replaced with Dolby metadata tools that
are part of the Dolby ® decoder function. Refer to Dolby ® Decoding (p. 1-16)
for description of Dolby ® metadata processing for the 9083-DEC card.
This function extracts and preserves Dolby ® metadata from the input SDI, and
in turn allows the metadata to be re-inserted in the output SDI. (The 9083
does not offer Dolby
® decoding or encoding, but will pass Dolby ® E and/or
Dolby ® Digital™ encoded signals and metadata intact.) The extracted
metadata is buffered and then output on a user-selectable line number on the
SDI output, and on an RS-485 port on cards equipped with an appropriate
Rear I/O Module.
Timecode Processor
(See Figure 1-2.) 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 the SDI video input of the card for supported
timecode formats, and then select and prioritize among SDI VITC,
SDI ATC VITC, and SDI ATC LTC timecode sources. 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 provides conversion between various timecode formats and
provides independent insertion and line number controls for each SDI
timecode output format.
Option +LTC allows bidirectional transfer and conversion
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.