Re: [Xen-users] USB Audio Passthrough

[Arjen <arjenvanweelden@xxxxxxxxx>]

On 02-06-13 11:06, Gordan Bobic wrote:
> Hi,
>
> I'd like to ask if anyone managed to get USB audio passthrough working?
> In order to minimize PCI passthrough usage (I get audio dropouts on PCI
> audio passthrough (Intel ICH audio) lasting 10-30 seconds every few
> minutes), I got a generic USB audio adapter. It works fine on bare metal
> but in domU all I get is loud crackling noise instead of sound.
>
> Could this be related to Xen USB passthrough being limited to USB 1.1
> and the USB audio possibly requiring more bandwidth than that?
>
> Has anyone got USB audio passthrough working successfully and reliably?
> What USB sound module did you use?
>
> Gordan
Hi,

I worked around a possibly similar problem with built-in Intel HD audio 
by initializing it on the dom0 (instead of hiding it) before doing the 
PCI passthrough.
Also got some helpful advice over USB audio before, see thread:
http://lists.xen.org/archives/html/xen-users/2013-05/msg00166.html

I'm sorry that I cannot give you more specific help, as I have no 
experience with USB audio myself.
Arjen

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