AirPrime WP8548 / WP75xx / WP76xx / WP77xx AT Command Reference
240
Proprietary and Confidential - Contents subject to change
4118047
!AVCODECMICTXG
Set/return codec Tx path gain
Set (or return) the codec Tx path gain for s specific profile.
Supporting devices:
Audio-capable WPx5xx/WP76xx devices
Password required:
Yes (see
for details)
Reset required to apply changes:
No
Persistent across power cycles:
Yes
Usage:
•
Execution:
AT!AVCODECMICTXG=<profile>,<gain>
Response:
OK
Purpose:
Set the overall gain.
•
Query:
AT!AVCODECMICTXG?<profile>
Response:
!AVCODECMICTXG: <gain>
Purpose:
Return the overall gain for the specified <profile>.
•
Query List:
AT!AVCODECMICTXG=?
Purpose:
Display valid execution format and parameter values.
Parameters:
<profile> (Audio profile)
•
(WP75xx/WP8548)
0–5=Audio profile number (6 profiles are supported)
•
(WP76xx)
0–9=Audio profile number (10 profiles are supported)
<gain> (Codec Tx path overal gain value)
•
Valid <gain> values: 0000–FFFF
Note: 4 hexadecimal digits must be entered. (e.g. 0x7F is not valid)
•
0000—Disable
•
0001–FFFF—Gain in range -48 dB to +48 dB
•
0001: -48 dB
0002: -42 dB
...
010F: 0 dB
217F: 30 dB
...
FFFF: 48 dB
•
Gain is calculated using the following formula:
20 * LOG(<value> / 0x0100)
•
Supported gain range: -48 dB to +48 dB
Example(s):
•
AT!AVCODECMICTXG=1,1AF4
•
AT!AVCODECMICTXG=5,217F
Table 12-2: Audio Command Details (Continued)
Command
Description
