I can confirm that this bug is on Ubuntu 13.04. Loud crackling when playing audio streams on vlc. I'm using the following card.
03:01.0 Multimedia audio controller: Yamaha Corporation YMF-744B [DS-1S Audio Controller] (rev 02) Subsystem: Yamaha Corporation DS-XG PCI Audio CODEC Flags: bus master, medium devsel, latency 64, IRQ 16 Memory at febf8000 (32-bit, non-prefetchable) [size=32K] I/O ports at ec00 [size=64] I/O ports at e880 [size=4] Capabilities: <access denied> Kernel driver in use: snd_ymfpci A workaround I found was to change audio output module in audio preferences of vlc. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/751265 Title: pulseaudio distorts VLC audio To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/751265/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs