Motorola C24 CDMA 1X Hardware Interface Manual page 28

Applicant: Motorola, INC
TABLE 15 – Speech processing features
Feature
Basic
Echo
Suppression
ATS96
Noise
Suppression
Sidetone ATS94
2.8.8.2
The amplification (gain) level for each input and output device can be configured through AT commands.
Both basic and advanced audio modes provide AT commands to set the desired gain levels for each
audio path and audio sound type.
TABLE 16 – Gain Control Features
Device
Basic
Microphone
AT+MMICG
Headset
Microphone
Speaker AT+CLVL
Alert Speaker AT+CRSL
The gain levels for the input and output devices, which correspond to the values set by the AT
commands, are described in the following tables.
AT command
Advancd
AT+MAFEAT
AT+MAFEAT
Gain Control
Gain Command
Advanced
AT+MMICG
AT+MAVOL
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Default
Description
Setting
Controls the echo and
Disabled
noise suppression.
Enabled Controls the sidetone.
Default
Description
Gain
Sets input speech gain
3
level.
Sets input speech gain
3
level.
Sets voice and DTMF
4
gain.
Sets rings and alerts
4
gain.
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C24 Hardware Interface Manual
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