Simple solution: use wires. Run the output of the onboard audio to a
spare input on the usb device and run a spare output on the usb device
to the onboard input.
Ha! Very clever, I would never have thought of this! :-) And I may just
end up doing it (actually i already found the right lead and did). The
sound out of this laptop is pretty bad and it's only a mini-jack out,
but I only need to send a voice synthesiser through to the main
speakers, so it will do at a pinch. Just the risk that the plug pulls
out or gets noisy or something like that.
Less simple: use networking. both pulse and jack are able to stream
audio over the network (local host is fine) so run two instances of
either jack or pulse and use networking to join them. I do not know
pulse well enough to give any hints what so ever on network streaming.
Jack would be easier. Just use netjack or zita-njbridge.
Interesting, I'll look into to this. So you think the problem exists
between PulseAudio on the Asterisk side communicating with jack on my
user's side? Makes sense.
Also, ALSA has mixer plugins that may provide an extra phseudo device.
I don't know how that works.
Thanks for your help.
Iain
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