Am Dienstag, 19. September 2017 09:48 CEST, Philip Rhoades <phil(a)pricom.com.au>
schrieb:
  People,
 I didn't get a response to this - can anyone help? 
See below.
 On 2017-09-05 14:12, Philip Rhoades wrote:
 > People,
 >
 > For playing from multiple sources, ALSA plus the version of .asoundrc
 > below has been rock-solid for a couple of years now:
 >
 > I now want to use things like "recordmydesktop" which work fine with
 > the mic but they do not record sound from audio or video clips that
 > are playing eg from YouTube or local mpv etc.  So, yet again, I
 > started to try and make sense of JACK because I was pretty sure that
 > it could solve this problem - but I have found sound on linux has
 > always been a major pain and messing around with configs and rebooting 
Sorry, but if you think you need to reboot after configuration changes then you might
need to read up a bit on how things work.
  > etc on my big workstation is tedious so I think I
will try to get
 > something working on my laptop to begin with.
 >
 > Hopefully some jack gurus will have some suggestions about how to do
 > what I want to do?  I presume it is possible? 
Given your goal, I'd strongly suggest you install cadence (requires jackd2 because
of d-bus) and enable the alsa->jack bridge. You might even want to enable the
pulseaudio->jack bridge. That's three clicks to a working audio setup.
 HTH, Ralf Mattes