請問麦克风阵列子板的麦克风型號?

Chip Platform Rockchip
1

請協助, 同時想確認麦克风阵列子板的麦克风是PCM還是PDM.
/ # arecord -l
arecord -l
**** List of CAPTURE Hardware Devices ****
card 0: rockchiprk3308v [rockchip,rk3308-vad], device 0: dailink-multicodecs multicodec-0
Subdevices: 0/1
Subdevice #0: subdevice #0
card 1: rockchiprk3308p [rockchip,rk3308-pcm], device 0: dailink-multicodecs dummy_codec-0
Subdevices: 1/1
Subdevice #0: subdevice #0

2

PDM