780B Video Generator/Analyzer – User Guide
Table 11-1: List of Commands (alphabetical) – For Testing HDMI Sink Devices
Command
Description
AUDL
Sets the digital audio
format, audio tone and
channels
December 1, 2014
Syntax
Parameters
AUDL <type>
Where <type> is the audio
<subtype_dolby_dts>
format:
0 = LPCM
<subtype_comp>
1 = Dolby 5.1
<chan_select>
2 = DTS-ES 6.1
<sine_type>
3 = DD+/TrueHD/DTS
HDHRA/DTS-HDMA
<subtype_dolby_dts> is the
audio signal for Dolby and
DTS formats:
1 = narrow pink noise
2 = wide pink noise
3 = sine wave
4 = impulse
5 = polarity
6 = auto time delay
Where <subtype_comp> is
the type of compressed
audio format:
2 = 7.1 5376kb DTS-HDHRA
3 = 5.1 3840kb HDHRA
4 = 7.1 5760kb HDHRA
5 = 5.1 DTS-HDMA
6 = 7.1 HDMA
8 = DD+ 2.0
9 = DD+ 5.1
10 = DD+ 7.1
11 = TrueHD 7.1
12 = TrueHD 2.0
Where <chan_select> is the
channels used when the
audio signal is not sine
wave:
0 = Left channel
1 = Center channel
2 = Right channel
3 = Cycle
4 = LFE
5 = All
6 = Left rear
7 = Center rear
8 = Right rear
Where <sine_type> is sine
wave frequency and channel
usage:
0 = 63Hz cycle
1 = 63Hz all
2 = 125Hz cycle
3 = 125Hz all
4 = 1kHz cycle
5 = 1kHz all
6 = 4kHz cycle
7 = 4kHz all
Where
Page 195
Command Example
To set the digital audio to
LPCM using sine wave on all
channels at 4kHz:
AUDL 0 3 5 7
To set the digital audio to Dolby
Digital 5.1 with wide pink noise,
using only the center channel:
AUDL 1 2 1
To set the digital audio to Dolby
TrueHD 7.1 and cycling
through all channels:
AUDL 3 11 3
Revision A7
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