Home Questions Tags Users Unanswered. It is not obvious that any of these commands turns on Verbose logging in general. Attempting to attached two zip files. Thanks Oldsodier and Drakkor!! It’s an issue wiith the VBOX codec and they’ve been having it since Since then, I have found the commands to change the running machine “VBoxManage debugvm” however the VirtualBox Documentation is weak on descriptions and examples of how to turn on the Verbose logging for Audio issues. HD Audio is intended to replace AC’
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Intel provides a specification for that header; the signal assignments are different for AC’97 and Intel High Definition Audio headers.
I tried with and without the guest additions and I also tried SoundBlaster 16 with and without the guest additions. If you need any further information, i’ll add them to the question, too. Wc97 time now is Windows 7 bit seems to be able to download a driver from Windows Update that works fine only tested the RC version.
What does the reference to Dell mean? The kch changes in combination was required. Performance of host and guest alter as expected, the stuttering is always exactly the same.
Would you consider adding more information that can clarify how you achieved this result? SRU29 is now available from My Second, I am getting this issue on an arch host running with an i7 k 4.
Sound is working fine ih the same host with an XP guest. Corresponding images are below, click on the image or the link in brackets  for full size.
Sound in VirtualBox from MacOS X Host
The file to be played back must exist for the results to be displayed. But to get rid of the problem i’ll try your approach.
[SOLVED] Realtek AC97 – No sound in VirtualBox
This discussion will be useful for ICH audio emulation, and ac9 known hardware problems including clock problems, causing audio to be played “too fast” at higher frequency than expected:.
I believe I have discovered the af97 of the problem. Short of these two options, I am prepared to drop the issue entirely and someone else with the same problem and is better up to speed with working with this code and these tools can pickup the effort.
I’m not sure of the exact different I assume that HD audio will gives better audio quality but I’ll always go for HD audio if the mainboard has it, if the mainboard only has AC97 then I’ll use AC97 connector. But not all of it. And possibly, this indicates a stability problem in the exposed ICH6 emulation used in VirtualBoxor the driver assumes some behavior ordering of events?
There are few things only we may try to see whether there is an improvement: The problem is purely that there is no driver that works properly with this device for bit Windows, so it’s entirely a guest issue.