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− | Making audio devices work in Linux can be complex and frustrating. Here are some tips:
| + | To debug audio problems, I access the Linux command line via '''ssh''' and use some command-line utilities to test and configure. |
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− | Login to the console from another computer.
| + | The Linux audio system is called ALSA. You can install '''alsa-utils''' to get some command line tools for testing/configuring audio. Unfortunately, ALSA and Linux audio configuration is complex and hard to figure out. |
| + | |
| + | Install those utilities by giving the command: |
| + | |
| + | sudo apt-get install alsa-utils |
| + | |
| + | Here’s some documentation on ALSA http://www.linuxfromscratch.org/blfs/view/cvs/multimedia/alsa-utils.html1 |
| + | |
| + | One command I use is '''speaker-test'''. This will cause your audio device to make tones, if everything is properly configured. |
| + | |
| + | Making audio devices work in Linux can be complex and frustrating. Here are some more tips: |
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− | Use this command to list the audio devices that the system knows about: | + | Login to the console using ssh from another computer. see [[Accessing_Zynthian_from_your_computer]] |
| + | |
| + | Use the following command to list the audio devices that the system knows about: |
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| aplay -l | | aplay -l |
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| alsamixer | | alsamixer |
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− | followed by the Enter key in the terminal/console. | + | (followed by the Enter key in the terminal/console.) |
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| Here’s a tutorial on how to work with sound on a Raspberry Pi (including aslamixer): | | Here’s a tutorial on how to work with sound on a Raspberry Pi (including aslamixer): |
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| http://blog.scphillips.com/posts/2013/01/sound-configuration-on-raspberry-pi-with-alsa/ | | http://blog.scphillips.com/posts/2013/01/sound-configuration-on-raspberry-pi-with-alsa/ |
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− | To debug audio problems, I access the Linux command line via ssh and use some command-line utilities to test and configure.
| |
− | The Linux audio system is called ALSA. You can install '''alsa-utils''' to get some command line tools for testing/configuring audio. Unfortunately, ALSA and Linux audio configuration is complex and hard to figure out.
| |
| | | |
− | Install those utilities by giving the command:
| |
− | sudo apt-get install alsa-utils
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− |
| |
− | Here’s some documentation on ALSA http://www.linuxfromscratch.org/blfs/view/cvs/multimedia/alsa-utils.html1
| |
− |
| |
− | One command I use is '''speaker-test'''. This will cause your audio device to make tones, if everything is properly configured.
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| ===Bluetooth speakers=== | | ===Bluetooth speakers=== |