[vfio-users] Sound Options for Guest

[Brandon Ganem]

I've had success passing through the built in sound card, but it requires
proper IOMMU grouping and obliviously you cannot use it on the host anymore.

I believe there are others that use pulse audio and a virtualized sound
card, but I haven't done that.

On Mon, May 2, 2016 at 2:58 PM, Bronek Kozicki <brok at spamcop.net> wrote:

> On 02/05/2016 18:52, Brett Peckinpaugh wrote:
>
>> I was wondering what are some options for audio?  Currently using the
>> monitor, but want to use my speakers for better quality.  The options I can
>> think of are a PCIE soundcard or USB sound device.
>>
>> Are there any better options?  Would a USB which is cheaper and not
>> needed in the case blocking fans work well? Currently I am passing through
>> a PCIE USB 3.0 card which is where I would connect it.
>>
>
>
> In this case external USB DAC will be your best bet - e.g. like SMSL M3,
> Audioengine D1 (note, I had clicking sound with this one), Focusrite
> Scarlett, FiiO E10K, Topping VX1, Audioquest Dragonfly, Shiit Modi 2 etc.
> Some of these use "standard" drivers and USB protocols, hence do not need
> extra drivers (e.g. SMSL M3), some need extra drivers (e.g. Audioengine).
> Some have builtin headphones amplifier, some have volume regulation, some
> require additional power (more cables), just do your research.
>
> More expensive devices utilise asynchronous USB protocol, which makes them
> more resilient to jitter (and also requires extra drivers). Also some
> support DSD (1bit format used for SACD records) e.g Teac UD-301. This does
> not mean that cheaper devices sound any worse - unless you have $1000
> amplifier and headphones already (in which case I doubt you would ask here
> for advice).
>
>
> B.
>
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