Difference between revisions of "Audio（ROM-5880）"
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Xingxing.li (talk | contribs) |
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1. Get sound card ID. | 1. Get sound card ID. | ||
| − | <pre> | + | <pre>cat /proc/asound/cards |
| + | |||
0 [rockchiphdmi ]: rockchip_hdmi - rockchip,hdmi | 0 [rockchiphdmi ]: rockchip_hdmi - rockchip,hdmi | ||
rockchip,hdmi | rockchip,hdmi | ||
| Line 24: | Line 25: | ||
Take Card ID 1 for example： | Take Card ID 1 for example： | ||
| − | <pre> | + | <pre>arecord -Dplughw:1,0 -f S16_LE -r 16000 -d 10 -t wav test.wav</pre> |
3. Playback | 3. Playback | ||
Take Card ID 1 for example： | Take Card ID 1 for example： | ||
| − | <pre> | + | <pre>aplay -Dplughw:1,0 -t wav test.wav</pre> |
Latest revision as of 03:02, 23 July 2025
ROM-5880 supports 2 sound cards: 0 hdmi (with Audio), 1 rt5640-codec. (Connect Audio boardROM-EG57 on CN17 of SOM-DB2510 carrier board, set SW3 to 2.)
Step 1：HDMI
Set the default audio output when playing media files, if it supports audio.
1. Entry start->Sound & Video->PulseAudio Volume Control.
2. Select “Build-in Audio stereo” for HDMI output or Select “Build-in Audio Speaker …” for rt5640-codec output.
Step 2：Audio codec
1. Get sound card ID.
cat /proc/asound/cards 0 [rockchiphdmi ]: rockchip_hdmi - rockchip,hdmi rockchip,hdmi 1 [rockchiprt5640c]: rockchip_rt5640 - rockchip,rt5640-codec rockchip,rt5640-codec
2. Record（0/1->rt5640-codec）
Take Card ID 1 for example：
arecord -Dplughw:1,0 -f S16_LE -r 16000 -d 10 -t wav test.wav
3. Playback
Take Card ID 1 for example：
aplay -Dplughw:1,0 -t wav test.wav