Re: [Alsa-user] Parallel playback on multiple USB cards

2020-09-08 Thread Alexandre Bouillot
Hi Clemens, Thanks for the hint. On a standard PC all goes well. I have 3 streams playing and 3 recordings at the same time. Regards, Alexandre Le ven. 14 août 2020 à 12:56, Clemens Ladisch via Alsa-user < alsa-user@lists.sourceforge.net> a écrit : > Alexandre Bouil

[Alsa-user] Parallel playback on multiple USB cards

2020-08-14 Thread Alexandre Bouillot
Hi, I'm trying to set up a system for audio measurements and I'm trying to have a 3 channels solution using one single host (currently a Raspberry Pi, might migrate to x86 later on if needed). I have the one channel system working with two USB audio cards - one for emitting the sound and the

Re: [Alsa-user] arecord with mutiple aplay

2021-04-06 Thread Alexandre Bouillot
Dear Hui, One idea, not sure it will address your exact issue, but I saw the platform running ALSA might not be powerful enough to cope will all the data. I had the issue with multiple record sessions with different audio cards on Rapberry Pi 3 where one record and simultaneous play worked fine,