The DK2 board recording voice is very low volume

[SChen.11]

Hi, I test the record voice on dk2 board. Using below command to recorded. After recorded, I use aplay to play that file. The sounds volume very low. I had setting some volume through alsamixer command.

arecord -f cd -c 2 test.wav

Does it working correct?

[Olivier GALLIEN]

Hi Steve,

Are you aware and did you refer to wiki page ?

https://wiki.st.com/stm32mpu/wiki/How_to_record_audio

Which input source are you using ?

Thx

Olivier

[SChen.11]

Yes, I refer that wiki page and execute those command to record audio. I use a mobile headset from samsung.

[Olivier GALLIEN]

Hi @Community member​ 

Could you please share with us :

- dmesg content after arecord command

- output of execution of alsa-info.sh script attached ( bash alsa-info on the target )

- audio file recorded

Thanks

Olivier