O'Reilly critique on Linux and audio 4239

On Sun, 24 Jul 2005 16:24:05 -0700, Citizen Ted

What audio interface do you have? You really should use Jackd and Ardour for this kind of thing. Jack will default to 32bit audio, then try 24bit and then 16 if the others don't work.

Try starting qjackctl, clicking on 'setup' and changing the sample rate. Start Jack and it will refuse if the sample rate is not supported.

Or, in console style... For a working input at the highest bit depth the card supports, you should see something like this. (Gina-20)

jackd 0.100.1 Copyright 2001-2005 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:2hw:2102424800000nomonswmeter-32bit control device hw:2 configuring for 48000Hz, period = 1024 frames, buffer = 2 periods nperiods = 2 for capture nperiods = 2 for playback"

For something like a soundblaster, it'll like like this:

jackd 0.100.1 Copyright 2001-2005 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:0hw:0102424800000nomonswmeter-32bit control device hw:0 configuring for 48000Hz, period = 1024 frames, buffer = 2 periods Note: audio device hw:0 doesn't support a 32bit sample format so JACK will try a 24bit format instead Note: audio device hw:0 doesn't support a 24bit sample format so JACK will try a 16bit format instead nperiods = 2 for capture Note: audio device hw:0 doesn't support a 32bit sample format so JACK will try a 24bit format instead Note: audio device hw:0 doesn't support a 24bit sample format so JACK will try a 16bit format instead nperiods = 2 for playback "

If the card supports 24bit and 96k, then it should work.