如图硬件是V3s的荔枝派
Mic1 Boost和 ADC Gain又是什么意思呢,实测发现调整是有效果的,但是都调整到100,会有破音
RT,怎么通过alsa调整麦克风增益啊,做到不失真,不破音。
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用 tinymix contents,最右边那一列可以看到取值范围:
# tinymix contents
Number of controls: 13
ctl type num name value
0 INT 1 DAC Playback Volume 63 (range 0->63)
1 INT 1 Headphone Playback Volume 63 (range 0->63)
2 BOOL 2 Headphone Playback Switch On, On
3 INT 1 Mic1 Playback Volume 3 (range 0->7)
4 INT 1 Mic1 Boost Volume 4 (range 0->7)
5 INT 1 ADC Gain Capture Volume 3 (range 0->7)
6 BOOL 2 DAC Playback Switch Off, Off
7 BOOL 2 DAC Reversed Playback Switch Off, Off
8 BOOL 2 Mic1 Playback Switch Off, Off
9 BOOL 2 Mixer Capture Switch Off, Off
10 BOOL 2 Mixer Reversed Capture Switch Off, Off
11 BOOL 2 Mic1 Capture Switch Off, Off
12 ENUM 2 Headphone Source Playback Route , DACMixer, , DACMixer
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