AT Commands For AUDIO
| No | Command | Description |
| F2301 | AT+CREC | Record wav audio file |
| F2302 | AT+CRECAMR | Record amr audio file |
| F2303 | AT+CCMXPLAY | Play audio file |
| F2304 | AT+CCMXSTOP | Stop playing audio file |
F2301 AT+CREC Record Wav Audio File
| R) AT+CREC? |
+ CREC: <status> OK |
| W) AT+CREC=<record_path>,<filename> |
+CREC:1 OK or ERROR |
| W) AT+CREC=<mode> |
+CREC:0 OK +RECSTATE: crec stop |
| <status> |
Indicate whether the recording is going on. 0 free, not recording 1 busy, recording |
| <record_path> |
Source of recorded sound 1 local path 2 remote path 3 local and remote sound mixing |
| <filename> | The location and name of wav file. |
| <mode> |
Stop recording wav audio file 0 stop |
NOTE
<filename>,The file should be put into the “E:/”. Maximum filename length is 240 bytes. (including “”)<record_path>,
Only during the call, <record_path> can be set to 2 or 3
| Example |
AT+CREC=1,”e:/rec.wav” +CREC:1 OK AT+CREC=0 +CREC:0 OK +RECSTATE: crec stop |
F2302 AT+CRECAMR Record Amr Audio File
| R) AT+CRECAMR? |
+ CRECAMR: <status> OK |
| W) AT+CRECAMR=<record_path>,<filename> |
+CRECAMR:<status> OK or ERROR |
| W) AT+CRECAMR=<mode> |
+CRECAMR:<status> OK +RECSTATE: crecamr stop or +CRECAMR: <status> OK or ERROR |
| <status> |
Indicate whether the recording is going on. 0 free, not recording 1 busy, recording |
| <record_path> |
Source of recorded sound 1 local path 2 remote path |
| <filename> | The location and name of amr file. |
| <mode> |
Stop recording wav audio file 0 stop |
NOTE
<filename>,The file should be put into the “E:/”. Maximum filename length is 240 bytes. (including “”)<record_path>,
Only during the call, <record_path> can be set to 2
| Example |
AT+CRECAMR=1,”e:/rec.amr” +CRECAMR:1 OK AT+CRECAMR=0 +CRECAMR:0 OK +RECSTATE: crecamr stop |
F2303 AT+CCMXPLAY Play Audio File
|
T) AT+CCMXPLAY=? |
+CCMXPLAY: (0-1),(0-255) OK |
| R) AT+CCMXPLAY? |
+CCMXPLAY: <status> OK |
| W) AT+CCMXPLAY=<filename> [,<play_path>][,<repeat>] |
+CCMXPLAY: OK +AUDIOSTATE: audio play +AUDIOSTATE: audio play stop or ERROR or +CCMXPLAY: OK +AUDIOSTATE: audio play +AUDIOSTATE: audio play error or ERROR +CCMXPLAY: not enough space to play |
| <play_path> |
Play to local or to remote. Default 0 0 local 1 remote |
| <repeat> |
How much times can be played. Default 0 |
| <filename> | The location and name of wav file. |
| <status> |
Indicate playing thread status. Default value is 0 0 idle 1 busy, playing |
NOTE
<filename>,The wav audio file should be located at “E:/”. Maximum filename length is 240 bytes. (including “”).
Support audio file format mp3, aac, amr, wav. <play_path>,
Only during the call, <play_path> can be set to 1 successfully.Only 8k 16bit wav audio and amr audio can be played to remote at present.
<repeat>,This parameter is reserved, not used at present, you can input this parameter or not. (0–255)
| Example |
AT+CCMXPLAY=? +CCMXPLAY: (0-1),(0-255) OK AT+CCMXPLAY=”E:/rec.mp3”,0,0 +CCMXPLAY: OK +AUDIOSTATE: audio play +AUDIOSTATE: audio play stop |
F2304 AT+CCMXSTOP Stop Playing Audio File
| T) AT+CCMXSTOP=? | OK |
| W) AT+CCMXSTOP |
+CCMXSTOP: OK +AUDIOSTATE: audio play stop |
| Example |
AT+CCMXSTOP +CCMXSTOP: OK +AUDIOSTATE: audio play stop |
WiFi IoT Module
Bluetooth Module
5G/LTE/CAT-M1/NB-IoT
