Speci
fi
cations
Audio Option DDE
Option DDE (Extended Dolby Digital Audio) is available for the WVR7120 only.
The following table lists the the characteristics speci
fi
c to Option DDE.
Option DDE additionally includes all the functions and characteristics of Option
AD.
Table 43: Dolby E and extended Dolby Digital (AC-3) compressed audio monitoring (Option DDE)
Characteristic
Performance requirement
Reference information
Compressed Audio Input Format
Decodes audio and metadata from Dolby
data stream transported via AES or
48 kHz embedded audio source.
Supports 32-bit professional and
consumer modes 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 surround sound channels plus down
mix may be output on AES B or Analog
Outputs.
Dolby Audio Status Display
Displays extensive Dolby D and Dolby E
status and bit stream metadata.
Alarms
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
fi
elds. Requires SDI
signal from TG700 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.
Speci
fi
cation applies for TG700 AV
Timing mode, which has a nominal
5 second repetition rate.
Measurement Accuracy
+/-
1
/
2
video
fi
eld.
Alarms
Waveform Rasterizers Speci
fi
cations and Performance Veri
fi
cation
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