Tektronix WVR6020, Technical Reference

Page: 43 / 138

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 (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
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 (See Table 49.)
Waveform Rasterizers Speci fi cations and Performance Veri fi cation 29