Procedures For Testing A Display With Dolby Digital Or Dts Sine Wave Clips - Quantum Data 780B User Manual

780B Video Generator/Analyzer – User Guide
Note: When selecting Sine Wave at 1kHz or 4kHz the 780 will output 5.0 audio. This is because the subwoofer
frequency response is 20Hz to 200Hz.
Table 4-6: Audio Pattern Tests
Pattern
Pink Noise Patterns:
500-2kHz Pink noise

20-20kHz Pink noise

Application:
 Tests sound pressure level
 Main speaker frequency
response
Sine Wave Pattern:
63Hz

 125Hz
 1kHz (5.0 only - no subwoofer)
4kHz (5.0 only - no subwoofer)

Application:
Speaker distortion

Impulse Pattern
Application:
Early reflections

Polarity Pattern
Application:
 Polarity of the speaker wires
Auto Time Delay
Application:
Fine tunes sound convergence

using the distance setting in an
AVR
4.8.3

Procedures for Testing a Display with Dolby Digital or DTS Sine Wave Clips

Table 4-7 below summarizes the 780B support for digital audio.
December 1, 2014
Format Interfaces
HDMI
Dolby Digital 5.1
SPDIF
Optical
HDMI ARC (780B only)
HDMI
DTS-ES 6.1
SPDIF
Optical
HDMI ARC (780B only)
HDMI
Dolby Digital 5.1
SPDIF
Optical
HDMI ARC (780B only)
HDMI
DTS-ES 6.1
SPDIF
Optical
HDMI ARC (780B only)
HDMI
Dolby Digital 5.1
SPDIF
Optical
HDMI ARC (780B only)
HDMI
DTS-ES 6.1
SPDIF
Optical
HDMI ARC (780B only)
HDMI
Dolby Digital 5.1
SPDIF
Optical
HDMI ARC (780B only)
HDMI
DTS-ES 6.1
SPDIF
Optical
HDMI ARC (780B only)
HDMI
Dolby Digital 5.1
SPDIF
Optical
HDMI ARC (780B only)
HDMI
DTS-ES 6.1
SPDIF
Optical
HDMI ARC (780B only)
Range of Values
Individually selectable channels

Cycle – cycling through each

channel; 8 seconds per channel
Channel selection:
 Select All channels or...
Cycle – cycling through each

channel; 8 seconds per channel
Individually selectable channels

Cycle – cycling through each

channel; 8 seconds per channel
 Individually selectable channels
Cycle – cycling through each

channel; 8 seconds per channel
Individually selectable channels

Cycle – cycling through each

channel; 8 seconds per channel
Revision A7
Page 59