我在电路板上的MIC3 引出一个座子,接到耳机的mic 录音命令: arecord -D hw:0,0 -c 8 -r 16000 -f S16_LE --period-size=1024 --buffer-size=4096 111.wav arecord -D hw:0,0 -c 2 -r 16000 -f S16_LE --period-size=1024 --buffer-size=4096 222.wav arecord -l **** List of CAPTURE Hardware Devices **** card 0: rockchiprk3308b [rockchip,rk3308b-acodec], device 0: dailink-multicodecs multicodec-0 [] Subdevices: 1/1 Subdevice #0: subdevice #0 card 7: Loopback [Loopback], device 0: Loopback PCM [Loopback PCM] Subdevices: 8/8 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 Subdevice #4: subdevice #4 Subdevice #5: subdevice #5 Subdevice #6: subdevice #6 Subdevice #7: subdevice #7 card 7: Loopback [Loopback], device 1: Loopback PCM [Loopback PCM] Subdevices: 7/8 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 Subdevice #4: subdevice #4 Subdevice #5: subdevice #5 Subdevice #6: subdevice #6 Subdevice #7: subdevice #7 # tinymix contents Number of controls: 40 ctl type num name value 0 INT 1 ADC MIC Group 0 Left Volume 3 (range 0->3) 1 INT 1 ADC MIC Group 0 Right Volume 3 (range 0->3) 2 INT 1 ADC MIC Group 1 Left Volume 3 (range 0->3) 3 INT 1 ADC MIC Group 1 Right Volume 3 (range 0->3) 4 INT 1 ADC MIC Group 2 Left Volume 3 (range 0->3) 5 INT 1 ADC MIC Group 2 Right Volume 3 (range 0->3) 6 INT 1 ADC MIC Group 3 Left Volume 3 (range 0->3) 7 INT 1 ADC MIC Group 3 Right Volume 3 (range 0->3) 8 ENUM 1 ADC MICBIAS Voltage VREFx0_5VREFx0_55VREFx0_6VREFx0_65VREFx0_7VREFx0_75VREFx0_8, VREFx0_85 9 ENUM 1 ADC Main MICBIAS Off, On 10 BOOL 1 ADC MICBIAS1 On 11 BOOL 1 ADC MICBIAS2 On 12 ENUM 1 ADC MIC Group 0 Left Switch Work, Mute 13 ENUM 1 ADC MIC Group 0 Right Switch Work, Mute 14 ENUM 1 ADC MIC Group 1 Left Switch , WorkMute 15 ENUM 1 ADC MIC Group 1 Right Switch , WorkMute 16 ENUM 1 ADC MIC Group 2 Left Switch Work, Mute 17 ENUM 1 ADC MIC Group 2 Right Switch Work, Mute 18 ENUM 1 ADC MIC Group 3 Left Switch Work, Mute 19 ENUM 1 ADC MIC Group 3 Right Switch Work, Mute 20 INT 1 ADC ALC Group 0 Left Volume 12 (range 0->31) 21 INT 1 ADC ALC Group 0 Right Volume 12 (range 0->31) 22 INT 1 ADC ALC Group 1 Left Volume 20 (range 0->31) 23 INT 1 ADC ALC Group 1 Right Volume 20 (range 0->31) 24 INT 1 ADC ALC Group 2 Left Volume 12 (range 0->31) 25 INT 1 ADC ALC Group 2 Right Volume 12 (range 0->31) 26 INT 1 ADC ALC Group 3 Left Volume 20 (range 0->31) 27 INT 1 ADC ALC Group 3 Right Volume 20 (range 0->31) 28 ENUM 1 ADC Group 0 HPF Cut-off , OffOn 29 ENUM 1 ADC Group 1 HPF Cut-off , OffOn 30 ENUM 1 ADC Group 2 HPF Cut-off , OffOn 31 ENUM 1 ADC Group 3 HPF Cut-off , OffOn 32 INT 1 DAC LINEOUT Left Volume 3 (range 0->3) 33 INT 1 DAC LINEOUT Right Volume 3 (range 0->3) 34 INT 1 DAC HPOUT Left Volume 30 (range 0->30) 35 INT 1 DAC HPOUT Right Volume 30 (range 0->30) 36 INT 1 DAC HPMIX Left Volume 1 (range 0->1) 37 INT 1 DAC HPMIX Right Volume 1 (range 0->1) 38 BOOL 1 vad switch Off 39 INT 2 Master Playback Volume 99, 99 (range 0->99) # |
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