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virtualbox.org • View topic - Fix Bad Choppy and Crackling ...
https://forums.virtualbox.org/viewtopic.php?t=88862#:~:text=Ignoring%20that%20the%20problem%20may%20be%20with%20VirtualBox,is%20chosen%20and%20click%20on%20the%20Configure%20button
virtualbox.org • View topic - [SOLVED] Audio is kind of choppy
https://forums.virtualbox.org/viewtopic.php?t=43641
With IO-APIC enabled the sound was choppy, if disabled everything works. And if it was enabled the number of the used cores doesn't matter. Even with a highend Core i-7 (Sandy Bridge, 4 cores, 8 threads) i had interruptions in the sound. For audio to work flawlessly, disable the IO-APIC, set the cores to 1. With XP-Guests this counts:
#17225 (Audio distortion/skipping/stutter in Windows 7 ...
https://www.virtualbox.org/ticket/17225
Tested VirtualBox 5.2.32 on Windows 7 host and Windows XP/7 guests. Audio quality is good. There is no distortion/skipping/stutter. However, delay is built up while playing sound. Audio is in sync at start but drifts gradually. There is a 2 second delay after 2 hours of playing. It is noticeable when start, pause or resume playing.
virtualbox.org • View topic - VB5 - Choppy audio
https://forums.virtualbox.org/viewtopic.php?t=69369
But the output is choppy even in 5.0.4 and worse with Windows 10 confirmed… I don't mean to sound like a broken record (subtle audio reference) but, on my Ubuntu 15.04 host, my Windows 7 guest sounds bad, my Windows 10 (build 10547) guest sounds downright awful.
virtualbox.org • View topic - no sound in windows 7 rc
https://forums.virtualbox.org/viewtopic.php?t=17442
I am also finding I have no sound in windows 7 rc, i did when i had windows 7 beta. I used both settings in virtualbox but nada. ... I have sounds but when I have them they are choppy or late (I can log in before the vista tone happens). I left my settings at the same as they were for the previous beta.
r/virtualbox - Audio is choppy and lags in old PC games …
https://www.reddit.com/r/virtualbox/comments/ihq7t5/audio_is_choppy_and_lags_in_old_pc_games_on_guest/
Audio choppiness is often due to the IOAPIC setting in the OS xml file. Close VirtualBox and open your guest machine's XML configuration file in a text editor. Find the setting <IOAPIC enabled="true"/> change it to false and save the file. To stop Virtualbox changing it back, change the file property to readonly. Now run your VM.
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