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OpenBSD FAQ: Multimedia
https://www.openbsd.org/faq/faq13.html
If the USB device is connected again, sndiod will see it the next time it attempts to open the device. To force sndiod to switch between devices, reload the server: # rcctl reload sndiod Playing Audio. OpenBSD comes with aucat(1), a program able to play uncompressed WAV, AIFF and AU files. It can be used in very simple cases or to test playback:
audio - Connect external DAC / sound card in OpenBSD ...
https://unix.stackexchange.com/questions/471182/connect-external-dac-sound-card-in-openbsd
I am trying to connect a Focusrite Scarlett 2i4 USB DAC to my OpenBSD system to use as an external sound card. From what I have figured out so far, it seems that I need to tell some program or other that the "audio1 device" is the DAC. I seems that sndio, sndiod, audio, audioctl, and mixerctl may be involved here, but the respective man pages ...
usb(4) - OpenBSD manual pages
https://man.openbsd.org/usb.4
OpenBSD provides machine-independent bus support and drivers for Universal Serial Bus (USB) devices. The OpenBSD usb driver has three layers (like scsi(4) and pcmcia(4)): the controller, the bus, and the device layer. The controller attaches to a physical bus (like pci(4) or cardbus(4)). The USB bus attaches to the controller and the root hub attaches to the USB …
Bluetooth Audio on OpenBSD - ifconfig.se
https://ifconfig.se/bluetooth-audio-openbsd.html
This little device works out of the box and handles the Bluetooth part while presenting OpenBSD with an audio device over USB. However, you will need to configure sndiod(8) to send the audio to the rsnd/1 device, like this: $ doas rcctl set sndiod flags -f rsnd/1 $ doas rcctl restart sndiod sndiod(ok) sndiod(ok) $
My Fanless OpenBSD Desktop - joshua stein | jcs
https://jcs.org/2021/07/19/desktop
uhub5 at uhub0 port 3 configuration 1 interface 0 "LG Electronics Inc. USB2.1 Hub" rev 2.10/52.26 addr 2 uhub6 at uhub5 port 4 configuration 1 interface 0 "LG USA product 0x9a48" rev 2.00/88.32 addr 3 uaudio0 at uhub6 port 1 configuration 1 interface 1 "LG Electronics Inc. USB Audio" rev 2.00/0.2f addr 4 uaudio0: class v1, high-speed, sync, channels: 2 play, 0 rec, 3 ctls …
Bluetooth Audio on OpenBSD with the Creative BT-W3 ...
https://jcs.org/2020/11/18/openbsd_btaudio
Since Tweeting about the BT-W2 last year, OpenBSD’s audio system has changed quite a bit and now sndiod controls output volume itself with sndioctl being the preferred utility, rather than directly changing hardware mixer settings with mixerctl as in years past. The new hardware volume control (outputs.dac) can still be seen or modified directly with mixerctl and …
LiveUSB with OpenBSD - Bootable OpenBSD for your USB …
http://liveusb-openbsd.sourceforge.net/
Installing LiveUSB to a USB stick on UNIX/Linux. You can burn this image to a USB stick with this command on OpenBSD. # dd if=LiveUSB-XFCE.img of=/dev/rsd0c bs=1m. Please be aware that your USB stick could be sd0 .. sdn depending upon in what order you insert into your computer.
OpenBSD on a Laptop
https://www.c0ffee.net/blog/openbsd-on-a-laptop/
curl -OJ https://cdn.openbsd.org/pub/OpenBSD/6.4/amd64/install64.fs. Plug in the USB stick and copy the disk image using dd. This command assumes the disk is recognized as sdb(check dmesgto verify): dd if=install64.fs of=/dev/sdb bs=1m. Boot your laptop to …
OpenBSD FAQ: Installation Guide
https://www.openbsd.org/faq/faq4.html
# dd if=/dev/rsd0a of=openbsd.pbr bs=512 count=1 where sd0a is your boot device, and you will need to get the file openbsd.pbr to your Windows system partition. Once OpenBSD's PBR is copied to the Windows system partition, you need a shell with administrative privileges to run the following commands:
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