Cobalt Digital COMPASS 9322 HD_SD De-Embedder - Manual (Page 60)

3
932X Group Function Submenu List and Descriptions
3-10 9323 GROUP PRODUCT MANUAL 9323G-OM (V4.6)
Table 3-2 932X Group Function Submenu List
Audio Input Controls
Controls the AES Audio Input features for the eight AES
pairs, and displays signal status for the AES pairs and
the 16 embedded audio channels. Also provides global
unity routing/parameter control resets.
Note: Also refer to AES Audio Input Advanced Features
(9321, 9323 Only) (p. 1-14) in Chapter
1,“Introduction” for detailed information regarding
these functions.
• Status Displays Individual signal status displays for AES pairs 1-8, and embedded audio
channels 1-16 as follows:
• Not Present: Indicates AES pair or embedded channel does not
contain recognized audio PCM data.
Note: Channel displaying Not Present may still carry usable audio
data with Not Present being displayed due to invalid
headers.
• Present, Professional: Indicates AES pair or embedded channel
contains recognized AES audio PCM data.
• Present, Consumer: Indicates AES pair or embedded channel
contains audio PCM data other than AES (for example, S/PDIF).
• Present, Dolby E: Indicates AES pair or embedded channel
contains Dolby
®
E encoded data.
• Present, Dolby Digital: Indicates AES pair or embedded channel
contains Dolby ® Digital encoded data.
Note: Dolby status displays shown to the left only occur for valid
Dolby ® signals meeting SMPTE 337M standard.
(932X non DEC only) The card does not perform Dolby ®
processing on the signal. Although the card controls will
appear to be usable for this signal tag, the signal is passed
through with SRC bypassed as well as all gain and polarity
controls set to unity.
(+DEC only) When Dolby
® E or Dolby ® Digital™ is present
on a discrete AES pair or an embedded audio pair, the
decoder can provide up to 10 decoded channels (according
to the Dolby
®
sub-format and received metadata). All
decoded channels are available as inputs to audio routing.
• AES SRC Individual SRC Disable control for each AES pair (1 thru 8) disables or
enables Sample Rate Conversion (SRC) bypass as follows:
• Disabled On: In this mode, AES SRC for the corresponding AES
pair is bypassed (button pressed in). SRC is set to Disabled
(bypass turned on) by default. This mode is preferred where the
AES rate matches the input video rate. This mode is necessary
when embedding non-PCM AES audio such a Dolby
® E or Dolby
Digital™ audio streams.
Note: In this mode AES rate must match the input video rate or
audio dropouts will occur.
Note: AES audio must be nominally 48 kHz.
• Disable Off: In this mode, AES SRC for the corresponding AES
input pair is enabled (button in out position). SRC enabled allows
the card to interface with asynchronous AES sources (sources in
which the AES timing does not match the video reference timing).
SRC can be used to compensate for minor clock rate differences in
the AES stream and the input video stream.
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