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#10695 ([PATCH] OSS Audio driver ... - Oracle VM …
https://www.virtualbox.org/ticket/10695
When recording in guest while OSS audio driver is used, nothing is recieved. This affects the FreeBSD and Solaris hosts, and also Linux hosts under certain configurations. src/VBox/Devices/Audio/ossaudio.c includes the following: #ifndef VBOX hw->conv (hw->conv_buf + bufs[i].add, p, nread >> hwshift, &nominal_volume); #else
#15923 (Linux hosts OSS audio driver support ... - …
https://www.virtualbox.org/ticket/15923
When starting a VM with OSS as the host-side sound driver configured, I get the following message: "Some HDA audio streams (PCM Input) could not be opened. Guest applications generating audio output or depending on audio input may hang. Make sure your host audio device is working properly. Check the logfile for error messages of the audio subsystem."
virtualbox.org • View topic - How do I install an audio ...
https://forums.virtualbox.org/viewtopic.php?t=79154
Go to VM settings -> Audio -> Audio Controller -> change it to "Intel HD Audio". Launch the VM, repeat the scan for hardware changes. Don't do anything, just force it to scan. Shut down the VM. Change back the Audio Controller to "ICH AC97. Relaunch the VM and scan for hardware changes. Now let it install the driver. See if it changes the situation. P.S.
VirtualBox, enable audio, but prevent the host to listen ...
https://stackoverflow.com/questions/42740523/virtualbox-enable-audio-but-prevent-the-host-to-listen-to-it
Try disable host driver (set to null), but keep audio controller: Some info from wiki: When audio is enabled, VirtualBox provides the option for a virtual Intel ICH AC90 or a Creative Labs Sounds Blaster 16 sound card to be configured in the virtual machine. For Linux guests, PulseAudio, OSS and ALSO options are also available.
3.8. Audio Settings - Oracle
https://docs.oracle.com/en/virtualization/virtualbox/6.0/user/settings-audio.html
To enable audio for a guest, select the Enable Audio check box. The following settings are available: Host Audio Driver: The audio driver that Oracle VM VirtualBox uses on the host. On a Linux host, depending on your host configuration, you can select between the OSS, ALSA, or the PulseAudio subsystem. On newer Linux distributions, the PulseAudio subsystem is preferred.
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