On Fri, 8 Jun 2018 14:21:02 -0400 Greg Wooledge <wool...@eeg.ccf.org> wrote:
> On Fri, Jun 08, 2018 at 08:13:24PM +0200, Holger Nessen wrote: > > I'am not sure which sound backend you are using. > > As far as I can remember, ALSA didn't allow multiple processes to > > output sound at the same time. > > Depends on the hardware. If the hardware allows mixing natively, then > you can get mixing with vanilla ALSA. Otherwise you need userspace > mixing, previously done by esd, nowadays done by pulseaudio. Doesn't basic ALSA provide software mixing via the dmix plugin? https://wiki.debian.org/ALSA#Sharing_a_card_among_multiple_processes https://alsa.opensrc.org/Dmix Celejar