8. LW3 Programmers' Reference
MMX8x4-HT series – User's Manual
109
Applied firmware package: v1.2.2b5 | LDC software: v2.2.1
8.8.
Advanced Audio Settings
INFO: Advanced audio setting commands are available in MMX8x4-HT400MC and MMX8x4-HT420M
models.
8.8.1.
Microphone Input Settings
INFO: Microphone input setting commands are available in MMX8x4-HT400MC (for
I9
audio port) and
MMX8x4-HT420M (for
I9
audio port) model.
#mic #microphone #mute
8.8.1.1.
Mute on Microphone Input
Command and Response
Ý
SET•/MEDIA/AUDIO/I9.Mute=
<mute_status>
Ü
pw•/MEDIA/AUDIO/I9.Mute=
<mute_status>
Parameters
<mute_status>
true:
muted;
false:
unmuted
Example
Ý
SET /MEDIA/AUDIO/I9.Mute=true
Ü
pw /MEDIA/AUDIO/I9.Mute=true
8.8.1.2.
Set the Volume with Exact Value on Microphone Input
This command sets the volume in dB.
#volume
Command and Response
Ý
SET•/MEDIA/AUDIO/I9.Volume=
<volume_dB>
Ü
pw•/MEDIA/AUDIO/I9.Volume=
<volume_dB>
Parameters
<volume_dB>
Volume can be set between -80.00dB and 10.00dB, but the it will be rounded for fix values:
-80.00; -60.00; -50.00; -40.00; -35.00; -25.00; -20.00; -15.00; -12.00; -9.00; -6.00; -3.00; 0.00; 3.00; 6.00; 10.00.
Example
Ý
SET /MEDIA/AUDIO/I9.Volume=-8
Ü
pw /MEDIA/AUDIO/I9.Volume=-6.00
8.8.1.3.
Set the Volume by Step Value - Volume up
This command increases the volume in dB by one step on the fix value list (see the list in the previous
section).
Command and Response
Ý
CALL•/MEDIA/AUDIO/I9:volumeUp()
Ü
m0•/MEDIA/AUDIO/I9:volumeUp()
Example
Ý
CALL /MEDIA/AUDIO/I9:volumeUp()
Ü
mO /MEDIA/AUDIO/I9:volumeUp
8.8.1.4.
Set the Volume by Step Value - Volume down
This command decreases the volume in decibel by one step on the fix value list (see the value list in the
Set the Volume with Exact Value on Microphone Input
section).
Command and Response
Ý
CALL•/MEDIA/AUDIO/I9:volumeDown()
Ü
m0•/MEDIA/AUDIO/I9:volumeDown()
Example
Ý
CALL /MEDIA/AUDIO/I9:volumeDown()
Ü
mO /MEDIA/AUDIO/I9:volumeDown
8.8.1.5.
Set the Panorama on the Microphone Input
Command and Response
Ý
SET•/MEDIA/AUDIO/I9.Panorama=
<pan_set>
Ü
pw•/MEDIA/AUDIO/I9.Panorama=
<pan_set>
Parameters
Identifier
Parameter description
Parameter values
<pan_set>
Panorama setting
R1-R6:
Right channel, value can
be set between 1 and 6.
L1-L6
: Left channel, value can be
set between 1 and 6.
0
: Center
Example
Ý
SET /MEDIA/AUDIO/I9.Panorama=L6
Ü
pw /MEDIA/AUDIO/I9.Panorama=L6
Microphone sound will be transmitted to the left channel of the audio output.
INFO: L1 and R1 are near the center, L6 means the maximum left side, R6 means the maximum right side.