﻿id,summary,reporter,owner,description,type,status,component,version,resolution,keywords,cc,guest,host
16170,Cracks in audio & slowdown after some time (Windows guest),dusek,,"I am hitting an issue where audio in the VM begins fine, but after some usage of audio apps, it becomes choppy with cracks after a 1-2 minutes of varying use.

I have no exact repro, usually using audio apps naturally reproduces the issue within 2-3 minutes (I succeeded e.g. by playing YouTube video in firefox, pausing it, focusing other host app, refocusing the VM and playing the video again - the sound did not become slow immediately, but already exhibited ""cracks"" like when playing a dusty LP).

I will attach the VM log.

I will also attach 2 audio recordings:
- one for the above VM log with audio completely slowed down and choppy (with VBox 5.1.9)
- one for the same VM, just after restart using the very same program as in first recording, but before the audio becomes slow and choppy (to have a reference point for what the first recording should have roughly sounded like) (again with VBox 5.1.9)

Configuration:
* VirtualBox versions:
  - happens on: 5.1.6, 5.1.8 and 5.1.9 (111785)
  - does not happen on: 5.0.28
* Host: macOS 10.12.1 (16B2555)
* Guest: Win 7 Pro x86 Czech FPP
* Host audio: CoreAudio
* Guest audio controller: hda (Intel HD Audio)

Note: I tried with Linux guest (Ubuntu 16.04 x64). I did not reproduce the problem, so I suppose the issue is connected to Windows guests.",defect,closed,audio,VirtualBox 5.1.8,fixed,audio,,Windows,Mac OS X
