Cobalt Digital COMPASS 9081 HD_SD Frame Sync - Manual (Page 44)

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9081 Function Submenu List and Descriptions
3-14 9081 PRODUCT MANUAL 9081-OM (V4.6)
(continued)
• Input Video Mode Fixed Delay Control When Framesync is enabled and set to Input Video, allows adding video
delay. This is useful when compensating for processes which result in
large audio delays.
(Range is 0.0000 thru 300.0 msec.)
• Framesync Audio SRC On/Off Control When Framesync is enabled and set to Input Video, allows disabling
audio SRC. This is required if the card is to pass non-PCM audio such as
Dolby® audio to downstream devices.
• Minimum Latency Frames Control
Minimum Latency Frames Control
When Framesync is enabled, specifies the smallest amount of latency
allowed by the frame sync (latency measurement in output video frames).
The frame sync will not output a frame unless the specified number of
frames are captured in the buffer. The operational latency of the frame
sync is always between the specified minimum latency and
minimum latency plus one frame (not one field).
(Maximum range is 0 to 32.)
Note: Due to card memory limits, the maximum available Minimum
Latency Frames is related to the output video format selected.
For example, with a 525i59.94 output, the practical maximum limit
is 13.
When using this control, be sure to check the Framesync Status
display as follows:
• Latency frames selection within limits.
• Latency frames selection exceeds limits.
Table 3-2 9081 Function Submenu List — continued