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Audio driver issue (PCM_in, PCM_mic ... - Oracle VM …
https://www.virtualbox.org/ticket/11752
We think we fixed this problem. Here is a test build: https://www.virtualbox.org/download/testcase/VirtualBox-4.3.21-97032-Win.exe Closing this ticket as a duplicate ...
audio device (pcm_in) error "Some audio devices (PCM_in ...
https://answers.microsoft.com/en-us/windows/forum/all/audio-device-pcmin-error-some-audio-devices-pcmin/5255c545-bdcb-4891-908f-ba02a94bd42a
(I have Windows 7 Professional 32-bit, Intel T2600 x2 2.16GHz, 500GB HDD; checking "High Definition Audio Device" in Device Manager gave message "Windows has determined the driver software for your device is up to date")
VirtualBox - "Some audio devices (PCM_in) could not be ...
https://www.sevenforums.com/virtualization/217283-virtualbox-some-audio-devices-pcm_in-could-not-opened.html
Windows 7: VirtualBox - "Some audio devices (PCM_in) could not be opened". "Some audio devices (PCM_in) could not be opened. Guest applications generating audio output or depending on audio input may hang." This happens regardless of which guest operating system is installed or even if there is no guest OS.
PCM missing warning on all VMs, independent of sound ...
https://www.virtualbox.org/ticket/15659
It's not about a driver. It's about what audio card VirtualBox will "have" and present to the guest. Replying to jvanderb: The audio drivers usually are bundled in with the guest additions. No, they are not. Guest Additions have absolutely nothing to do with the audio. And the audio drivers are bundled with the guest OS, not with the GAs.
virtualbox.org • View topic - WinXP Guest Sound Problem
https://forums.virtualbox.org/viewtopic.php?t=15068
If you choose "Solaris Audio" as the backend, there is no support for "PCM_in" and "PCM_mic". With a relatively modern OpenSolaris (sound architecture called Boomer) you should be able to choose "OSS" backend which has support for audio input as well and is the recommended backend for audio.
virtualbox.org • View topic - HostAudioNotResponding audio ...
https://forums.virtualbox.org/viewtopic.php?p=15272
I'm running VirtualBox 1.5.4 on Mandriva Linux 2008.0 I have sound working in media players and such on the host while vbox is running but no sound from the guest. I'd like to have sound from both the guest and host if possible. I'm not too sure how to check the config. I have tried oss, alsa, null and pulse and still no sound.
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