On 22/04/2021 16:50, druck wrote:
> Hi,
>
> Does anyone know of a USB sound card compatible with the Raspberry Pi
> (i.e. Linux) which can do 5.1 surround sound over S/PDIF?
>
> The reason being I've got an old Blu-ray surround sound system which I'm
> no longer using with the TV and fancy using as computer speakers
> instead. The only way of driving it is via optical, and all the cheap
> USB sound cards I've looked at, such as Star Tech, say optical is
> limited to stereo PCM.
>
> I'm after a cheap solution, as if it's more than a reasonable set of 2.1
> computer speakers, I may as well ditch the old system as its bulk and
> overkill for the small room.
>
> ---druck

A better solution IMHO is to query your assumptions - why on earth use
USB? You have HDMI sound already so...

https://www.amazon.co.uk/Converter-Optical-Toslink-Extractor-HD-1080P-Black/dp/
B016XMDKXC


will give you 5 channel optical sound from that, allegedly...

--
"A point of view can be a dangerous luxury when substituted for insight
and understanding".

Marshall McLuhan
--- SoupGate-Win32 v1.05