[vfio-users] Sound Options for Guest

[Will Marler]

The two solutions that I use are:

1) USB headphones attached to a USB-PCI card that is passed through to the
guest at the PCI level. Passing through the USB headphones was too crackly,
and I preferred to buy a $10 card than debug.

2) In-home streaming (via SteamLink; I have no experience with nVidia
Shield)

Will

On Mon, May 2, 2016 at 1:35 PM, Brandon Ganem <brandonganem at gmail.com>
wrote:

> 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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>
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