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?
>

There is an "A52" ALSA plugin to allow surround encoded files to play.

https://help.ubuntu.com/community/DigitalAC-3Pulseaudio

Been a long while since I fiddled with it.


Does your blueray speaker set have HDMI and hence some sort of audio
return channel support?

--
Adrian C

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