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Audio production under Linux


DOlson
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To start Jack use either this command:

 

jackstart -d alsa -d hw:0

 

(assuming you're using the multimedia kernel)

 

Or this one:

 

jackd -d alsa -d hw:0

 

I didn't write any MIDI tutorials!  

 

Sorry, I thought it was you that wrote that tutorial. My mistake. :wink:

 

And it turns out I did actually already have the plugins available to Mandrake's Audacity, just never noticed before. :P

 

the first command results in:

 

jackd -d alsa -d hw:0

jackd 0.74.1

Copyright 2001-2003 Paul Davis and others.

jackd comes with ABSOLUTELY NO WARRANTY

This is free software, and you are welcome to redistribute it

under certain conditions; see the file COPYING for details



JACK compiled with System V SHM support

loading driver ..

creating alsa driver ... hw:0|hw:0|1024|2|48000|nomon|swmeter|rt

open

ALSA: cannot set number of periods to 2 for capture

ALSA: cannot configure capture channel

starting engine

engine driver not set; cannot start

cannot start main JACK thread

jack main caught signal 15

received signal 11 during shutdown (ignored)

 

I do not have jackstart - so I can't try that one

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Okay, here's what I get:

 

jackstart: cannot get realtime capabilities, current capabilities are:

          =ep cap_setpcap-ep

   probably running under a kernel with capabilities disabled,

   a suitable kernel would have printed something like "=eip"

 

And then this:

 

jackd 0.71.2

Copyright 2001-2003 Paul Davis and others.

jackd comes with ABSOLUTELY NO WARRANTY

This is free software, and you are welcome to redistribute it

under certain conditions; see the file COPYING for details

 

JACK compiled with System V SHM support

loading driver ..

creating alsa driver ... hw:0|1024|2|48000|swmon|swmeter|rt

open

port alsa_pcm:capture_1 has mixdown = 0x400290bc

port alsa_pcm:capture_2 has mixdown = 0x400290bc

port alsa_pcm:playback_1 has mixdown = 0x400290bc

port alsa_pcm:playback_2 has mixdown = 0x400290bc

starting engine

**** alsa_pcm: xrun of at least 135.954 msecs

**** alsa_pcm: xrun of at least 45.398 msecs

**** alsa_pcm: xrun of at least 23.168 msecs

**** alsa_pcm: xrun of at least 25.785 msecs

**** alsa_pcm: xrun of at least 24.015 msecs

**** alsa_pcm: xrun of at least 9.106 msecs

**** alsa_pcm: xrun of at least 3.805 msecs

 

Then trying to start ardour:

 

Ardour/GTK 0.377.1 running with libardour 0.685.0

Loading UI configuration file /etc/ardour/ardour_ui.rc

cannot connect to jack server

cannot connect to default JACK server

ardour: [ERROR]: No JACK server found.

Killed

 

Funny though, since I had ardour up at one point...

 

Like I said, I need to get a new kernel. I'll have to look into it more deeply, I guess.

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