I've used startech "7.1" interfaces (USB powered) with Pis. The "1" is the same electronics as teh "7" - it's really just an 8ch output. It has 1/8" connectors which won't age well but it's only $25 or so. I ended up buying 5 for an installation.
cheers M
On Fri, Oct 02, 2020 at 12:45:46PM +0200, Antoine Rousseau wrote:
As Christof said, Behringer devices work well. Even a XR18 (18in/10out + full per-channel DSP process, such as: gain/compress/gate/eq/fx-send/DCA...) works like a charm on a rPi!
Antoine
Le ven. 2 oct. 2020 ?? 12:06, oliver oliver@klingt.org a ??crit :
Jakob Laue wrote:
Dear 0xFFriends, I am looking for an usb audio interface that has at least 8 outputs so that I can have at least 4 stereo outputs from within pd. The challenge: I am on a raspberry pi (2 and 3). Does someone of you know about an audio interface that supplies this number of outputs AND works with a
raspi?
i used the "ESI Gigaport HD+ 8-Output" in a sound installation, and that was rock solid. worked even on a RPI 2 (out of the box as far as i remember)
you might want to consider an external power supply (an active usb hub) for the soundcard. and (since i was streaming an 8 channel wav file with [readsf~] i had to increase PD's audiobuffer and the playback blocksize for smooth playback (i put [readsf~] into a subpatch and used [block~ 2048 1 1] to achieve that - if i remember correctly).
Or is it possible to buy 4 cheap audio interfaces with 2 outputs each and use the simultaneously?
I would strongly advise against that
Best
Oliver
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