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alsa jack ardour rosegarden problems
I installed ardour rosegarden and JACK on kubuntu dapper
rosegarden said it couldn't open the ALSA sequencer.
on one of these forums I found somebody who said to do this:
it didn't want to work so I stuck a sudo in front of it. Then rosegarden stopped complaining, but wouldn't record anything. same with ardour. I was getting mic through the speakers, and it was up in the alsa mixer
so I open up JACK, start fiddling around, and then get the bright idea to stop it, and see if it refreshes -big mistake. everything stops working, and jack won't start again. Jack was hanging, so I took out the terminate command from startup and now I get this:
JACK compiled with System V SHM support.
loading driver ..
apparent rate = 44100
creating alsa driver ... hw:0|hw:0|1024|2|44100|0|0|nomon|swmeter|-|32bit
control device hw:0
the capture device "hw:0" is already in use. Please stop the application using it and run JACK again
cannot load driver module alsa
no message buffer overruns
13:14:20.862 JACK was stopped successfully.
13:14:22.939 Could not connect to JACK server as client. Please check the messages window for more info
I'm using a turtle beach (cs46xx) sound card, if that makes any difference.
well I took care of it.
I actually had several issues.
The hw:0 already in use was because KDE had already started a sound server. Turning off arts allowe me to start JACK, but then I had other issues.
by following the instructions at the ubuntu studio wiki, I was able to get everything in place, but still couldn't record from a microphone.
THAT problem was solved by opening alsamixer in konsole, pressing tab to switch to capture and then toggling to ADC with the arrow key. Then I pressed the space bar and VOILA! That enabled the analog to digital converter, which for some reason had been disabled.
the ardour forums (thanks nowhiskey!) were extremely helpful.