[2024-feb-29] Sad news: Eric Layton aka Nocturnal Slacker aka vtel57 passed away on Feb 26th, shortly after hospitalization. He was one of our Wiki's most prominent admins. He will be missed.
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Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
howtos:hardware:sound_problems_on_slackware [2018/02/15 12:53 (UTC)] – added dmix functionality with alsaequal lysander | howtos:hardware:sound_problems_on_slackware [2018/12/07 01:15 (UTC)] (current) – Add caveat to not apply alsa fixes to pulse-based systems bassmadrigal | ||
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<!-- Add your text below. We strongly advise to start with a Headline (see button bar above). --> | <!-- Add your text below. We strongly advise to start with a Headline (see button bar above). --> | ||
<!-- Reviewed 2012-12-24 hazel --> | <!-- Reviewed 2012-12-24 hazel --> | ||
+ | <!-- Reviewed 2018-02-15 alienbob --> | ||
+ | |||
+ | <note important> | ||
**NOTE: on my systems, my default card is 1 and default device is 0 so I will use 1,0 through out this page** | **NOTE: on my systems, my default card is 1 and default device is 0 so I will use 1,0 through out this page** | ||
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**Investigate the problem** | **Investigate the problem** | ||
- | 1) See which kernel modules are loaded: | + | - See which kernel modules are loaded: |
- | + | lsmod | grep snd | |
- | lsmod | grep snd | + | </ |
- | + | | |
- | Use this information along with your motherboard sound chipset to verify that the correct sound drivers are loading. | + | aplay -l |
- | + | </ | |
- | + | | |
- | 2) See which sound devices are detected by alsa: | + | alsamixer 0 |
- | + | < | |
- | aplay -l | + | <select a card(s)> |
- | + | <adjust volumes and make sure they aren't muted> | |
- | Most likely, alsa is loading the correct modules but setting the wrong sound device as default. | + | <ESC> |
- | + | ||
- | 3) Test sound devices to see which one(s) work: | + | |
- | + | ||
- | alsamixer 0 | + | |
- | | + | |
- | | + | |
- | | + | |
- | | + | |
- | aplay -D plughw:0,0 test.wav | + | aplay -D plughw:0,0 test.wav |
- | | + | aplay -D plughw:0,1 test.wav |
- | | + | aplay -D plughw:1,0 test.wav |
- | | + | aplay -D plughw:1,1 test.wav |
+ | </ | ||
---- | ---- | ||
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**PROBLEM: | **PROBLEM: | ||
- | **FIX:** Enable the equalizer | + | **FIX:** Enable the equalizer |
- | Output | + | Output can either |
1) Edit/Create / | 1) Edit/Create / | ||
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} | } | ||
- | **WHERE: " | + | **WHERE: " |
- | Should you wish to play more than one source | + | Should you wish to play from more than one application |
| |