Specifications
AudioOptionDDE
Option DDE (Ext
ended Dolby Digital Audio) is available for the WVR7120 only.
The following table lists the the characteristics specific to Option DDE.
Option DDE add
itionally includes all the functions and characteristics of Option
AD.
Table 43: Dolby E and extended Dolby Digital (AC-3) compressed a udio monitoring (Option DDE)
Characteristic Performance requirement Reference information
Compressed Audio Input Format Decodes audio and metadata from Dolby
data strea
m transported via AES or
48 kHz embedded audio source.
Supports 32-bit professional and
consumer m
odes as well as 16-bit
professional mode on Channel 1 or
Channel 2, stream 0 through 7.
Decoded Audio Outputs
Up to eight decoded channels including
all s urround sound channels plus down
mix may be
output on AES B or Analog
Outputs.
Dolby Audio Status Display
Display
s extensive Dolby D and Dolby E
status and bit stream metadata.
Alarms
(See Table 49.)
Table 44: AV Delay display (Option AVD)
Characteristic Performance requirement Reference information
Audio Video Delay measurement
Displays the delay of embedded audio
relative to SDI video. Shows delay in
milliseconds and in fields. Requires SDI
signal from TG 700 in AV Timing mode.
Measurement Range At least –2 to +2 seconds: a negative
reading indicates audio is advanced
with respect to video; a positive reading
indicates it is delayed. Range depends
on the repetition rate of the test signal.
Specification applies for TG700 AV
Timing mode, which has a nominal
5 second repetition rate.
Measurement A ccuracy
+/-
1
/
2
video field.
Alarms
(See Table 49.)
Waveform Rasterizers Specifications and Performance Verification 2 9
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