A Appendixes
546 Keysight U8903B User’s Guide
Voice Quality
Table A-36 Measurement settings > Voice Quality menu tree description
Tab Level 1 Level 2 Level 3 Description
Voice Quality
Test Config
Standard
–POLQA
– PESQ
Select POLQA or PESQ as the test standard.
Bandwidth
– Narrowband
– Wideband
– Super Wideband
(POLQA standard)
Select Narrowband or Super Wideband as the
bandwidth type for POLQA standard. Select
Narrowband or Wideband as the bandwidth type
for PESQ standard.
Level Align
Enable or disable the automatic level alignment.
This setting is only applicable for POLQA
standard.
Reference
Source
–File
– Generator
Select the reference source to be used.
Reference File
– Playback File
– Recorded
– Custom File
Use the Reference File as the comparison file if
the Source is set to File. Use the Reference File
option as the comparison file if the Source is set
to Generator.
Playback File
This setting is only available when the Reference
Source is set to Generator. Set the playback file to
be used as the comparison file if Reference File is
set to Playback File. Set the playback file to be
recorded as the comparison file if Reference File is
set to Recorded. Set the playback file to be
recorded and the Custom File to be used as the
comparison file if Reference File is set to Custom.
Custom File
Set the custom file to be used as the comparison
file. This setting is only available when Reference
Source is set to Generator and Reference File is
set to Custom.
Rec Channel
Set the channel number to be recorded from. This
setting is only available when Source is set to
Generator and Reference File is set to Recorded.
Rec Duration
Set the recording duration to be recorded. This
setting is only available when Source is set to
Generator and Reference File is set to Recorded.
Rec Step
–Auto
– Delay
–Prompt
Set the start recording type. This setting is only
available when Source is set to Generator and
Reference File is set to Recorded.
Rec Delay
Set the delay time before a recording is
performed. This setting is only available when
Source is set to Generator, Reference File is set to
Recorded, and Rec Step is set to Delay.
Rec to File
–Yes
–No
Enable or disable exporting the recording
function. This setting is only available when
Source is set to Generator and Reference File is
set to Recorded.
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