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ProstoUser

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  1. Hi all. In this topic I will show, how to make work USB sound card with Orange Pi. I did not found similar information, so I decided to put this info into a forum. At the moment, I have working mocp from root user, which able to play mp3 and online radio. I am not sure if all steps are necessary. So if You know a shorter version of this, please post a reply. Lets begin. 1. Insert USB sound card, Boot Orange Pi, and login via SSH. alsamixer not work without arguments ( It may print something like: cannot open mixer: No such file or directory ). But this works: alsamixer -c 1 2. I am not sure if this step is necessary, but I installed apt install pulseaudio ( https://wiki.debian.org/PulseAudio ) 3. amixer able to find usb sound card 4. lsmod | grep snd_usb_audio ( just making sure that snd_usb_audio is loaded ) 5. We need to add our user ( root and other if You want ) to audio group usermod -a -G audio root 6. Setting the default device https://www.alsa-project.org/wiki/Setting_the_default_device and reboot the system. Then login again via SSH. 7. Type in console modprobe snd-pcm-oss Then add to /etc/modules ( from new line ) snd-pcm-oss or to /etc/rc.local modprobe snd-pcm-oss 8. At this moment You should have /dev/dsp or /dev/dsp1 You can type ln -s /dev/dsp1 /dev/dsp to make available sound card for cmus ( otherwise cmus answer with error: opening audio device: No such device ) You can also, if You want, add to /etc/rc.local ln -s /dev/dsp1 /dev/dsp by doing this, it will add a link from /dev/dsp1 to /dev/dsp during boot process At this moment, your mocp should play. 9. Next step is copy config from /usr/share/doc/moc/examples/config.example to ~./.moc/config and then edit this file to this proposed setting: Save and close the file. Now you can run mocp and play some file or radio. Also, from this moment alsamixer works without arguments.
  2. Hi all. How many years people can count on support of 32 bit mini PC? (OS + repository ) For example Orange Pi: Allwinner H2+ Quad-core Cortex-A7 Is it worth to buy 64 bit ARM ? I wanna use 1 device more than 10 years. I know about 2038 year. And I dont want to buy devices which support stops after 2 or 3 years. Please give me a link if this has been discussed. Thanks in advance.
  3. Hi all . Before i buy Orange Pi 3 ( 64-bit 1.8GHZ ARM Cortex™-A53 , 2GB RAM ) , i want to know: Is it posible to use this PC + Armbian as desktop PC ? I want to use 1. Firefox Browser 2. YouTube 720p60 or FullHD ( Desktop version ) 3. Having ability to watch something with videoplayer. Videoplayer need to have support of large variants of codecs. 4. Listen music. And also online radio ( this can be done via audacious ) I had expirience in using Raspbian. quick search on this forum return small amount of useful information. Thanks in advance.
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