====== DMIC ======

===== Introduction =====

This page introduces the usage of DMIC ，and guide you to record with DMIC.

===== Preparation =====

Please make sure you use the latest image, if not please follow [[/products/sbc/common/configurations/upgrade-system|Upgrade The System]] to upgrade your system.

===== Record from DMIC =====

```shell
$ arecord -D hw:0,4 -r 48000 -f S16_LE -c 2 -d 10  test.wav
Recording WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo
$ ls test.wav
test.wav
```