At+Qdai Digital Audio Interface Configuration - Quectel EC25 Command Manual

Maximum Response Time
Reference
Quectel
Parameter
<mode> Numeric type. Indicates the current configured audio mode
0 Echo canceller, noise suppressor, digital gain and calibration parameter for Handset
1 Echo canceller, noise suppressor, digital gain and calibration parameter for Headset
2 Echo canceller, noise suppressor, digital gain and calibration parameter for Speaker

12.7. AT+QDAI Digital Audio Interface Configuration

The command is used to configure the digital audio interface. When <io>=1, customers can define the
PCM formats by themselves. In the following conditions, the module can be used directly with default
settings (master mode, short-synchronization, 2048K clock frequency, 16-bit liner data format, 8K
sampling rate).

When <io>=2, and the external codec chip linked with PCM interface is the NAU8814 model and
configurable through the I2C

when <io>=3, and the external codec chip linked with PCM interface is the ALC5616 model and
configurable through the I2C

when <io>=5 and the external codec chip linked with PCM interface is the TLV320AIC3104 model
and configurable through the I2C
AT+QDAI Digital Audio Interface Configuration
Test Command
AT+QDAI=?
Read Command
AT+QDAI?
EC25&EC21_AT_Commands_Manual
If there is any error related to ME functionality:
+CME ERROR: <err>
300ms
Response
+QDAI: (list of supported
<mode>s),(list of supported <fsync>s),(list of supported
<clock>s),(list of supported <format>s),(list of supported
<sample>s),(list of
supported <slot_mapping>s)
OK
Response
+QDAI:
<io>[,<mode>,<fsync>,<clock>,<format>,<sample>,<num
_slots>,<slot_mapping>]
LTE Module Series
EC25&EC21 AT Commands Manual
<io>s),(list
supported <num_slots>s),(list
of supported
of
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