[Bug 630241] Re: high pitched rattling/whine artifacts when 5.1 surround is enabled.

** Attachment added: "AlsaDevices.txt" https://bugs.launchpad.net/bugs/630241/+attachment/1543172/+files/AlsaDevices.txt ** Attachment added: "AplayDevices.txt" https://bugs.launchpad.net/bugs/630241/+attachment/1543173/+files/AplayDevices.txt ** Attachment added: "BootDmesg.txt" htt

[Bug 630241] [NEW] high pitched rattling/whine artifacts when 5.1 surround is enabled.

Public bug reported: Binary package hint: pulseaudio A high pitched rattle/whine is emitted from the speakers constantly when using 5.1 surround. The problem occurs when sound is played on native system applications but does not occur when sound is played from a web browser. For instance when lis