Difference between revisions of "RSB-3730 Audio"
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Xingxing.li (talk | contribs) (Created page with " '''1. Check audio codec.''' <pre># cat /proc/asound/cards 0 [sgtl5000 ]: sgtl5000 - sgtl5000 sgtl5000</pre> '''2. Audio codec (sgtl5000):''' a. Set MIC and headphone:...") |
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a. Set MIC and headphone: | a. Set MIC and headphone: | ||
| − | <pre> | + | <pre># amixer set Mic 32% Simple mixer |
control 'Mic',0 | control 'Mic',0 | ||
Capabilities: volume volume-joined Playback | Capabilities: volume volume-joined Playback | ||
| Line 14: | Line 14: | ||
Capture channels: Mono Limits: 0 - 3 | Capture channels: Mono Limits: 0 - 3 | ||
Mono: 1 [33%] [20.00dB] | Mono: 1 [33%] [20.00dB] | ||
| − | + | # amixer set Lineout 100% Simple mixer | |
control 'Lineout',0 | control 'Lineout',0 | ||
Capabilities: pvolume | Capabilities: pvolume | ||
| Line 22: | Line 22: | ||
Front Left: Playback 31 [100%] [0.00dB] | Front Left: Playback 31 [100%] [0.00dB] | ||
Front Right: Playback 31 [100%] [0.00dB] | Front Right: Playback 31 [100%] [0.00dB] | ||
| − | + | # amixer set PCM 100% | |
Simple mixer control 'PCM',0 | Simple mixer control 'PCM',0 | ||
Capabilities: pvolume | Capabilities: pvolume | ||
Latest revision as of 10:22, 9 November 2023
1. Check audio codec.
# cat /proc/asound/cards 0 [sgtl5000 ]: sgtl5000 - sgtl5000 sgtl5000
2. Audio codec (sgtl5000):
a. Set MIC and headphone:
# amixer set Mic 32% Simple mixer control 'Mic',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 3 Mono: 1 [33%] [20.00dB] # amixer set Lineout 100% Simple mixer control 'Lineout',0 Capabilities: pvolume Playback channels: Front Left - Front Right Limits: Playback 0 - 31 Mono: Front Left: Playback 31 [100%] [0.00dB] Front Right: Playback 31 [100%] [0.00dB] # amixer set PCM 100% Simple mixer control 'PCM',0 Capabilities: pvolume Playback channels: Front Left - Front Right Limits: Playback 0 - 192 Mono: Front Left: Playback 192 [100%] Front Right: Playback 192 [100%]
b. Record and playback:
# arecord -t wav -c 1 -r 44100 -d 5 /tmp/mic.wav # aplay /tmp/mic.wav