Sierra Wireless MC8775 Reference Manual page 102

MC87xx Extended AT Command Reference
Table 7-3: Voice command details (Continued)
Command
!AVNS
=<profile>, <value>
!AVNS?<profile>
Supporting Mini Cards:
•
MC8775V
•
MC8785V
•
MC8790V
•
MC8791V
•
MC8792V
102
Enable / disable noise suppression
This command sets the noise suppression setting for a specified profile.
The noise suppressor reduces or eliminates continuous background
noise, providing a clearer Rx audio signal.
Module-specific details:
•
MC8775V — The change to the audio system takes place immedi-
ately if the specified audio profile is active.
•
MC8785V / MC8790V / MC8791V / MC8792V — The change to the
audio system takes place the next time the sound device (re)starts.
Note: This setting is stored in NV memory and persists across power
cycles.
Usage:
•
AT!AVNS=<profile>, <value> sets the noise suppression mode for
the specified <profile>.
•
AT!AVNS?<profile> returns the noise suppression mode (<value>)
for the specified <profile>.
Parameters:
<profile> (audio profile number):
•
0 = Handset
•
1 = Headset
•
2 = Car kit
•
3 = Speaker phone
•
4 = Auxiliary
•
5 = TTY
•
(MC8785V / MC8790V / MC8791V / MC8792V only)
6 = Auxiliary external PCM (128 kHz clock)
•
(MC8785V / MC8790V / MC8791V / MC8792V only)
7 = Primary external PCM (2 MHz clock)
<value> (turn noise suppression mode on / off):
•
0 = Noise suppression mode off
•
1 = Noise suppression mode on
Description
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