[linux-audio-user] Problem with Jack

Lee Revell rlrevell at joe-job.com
Sun Sep 25 16:45:48 EDT 2005


On Sun, 2005-09-25 at 22:31 +0200, Matteo Giaccone wrote:
> Hello,
> It's more than a week that I'm trying to get off my problem without
> success, so I ask you for help!
> I would like to use Jack with alsa on my Ubuntu Hoary 5.04 for AMD64.
> I downloaded all the alsa and jack packages needed but now I'm stuck,
> I can't manage to use xmms or ardour with jack.
> 
> When i launch "jackd -v -R -d alsa -d hw:0 -r 44100 -H -z s" the output is:
> getting driver descriptor from /usr/lib/libjack0.80.0-0/jack_alsa.so
> getting driver descriptor from /usr/lib/libjack0.80.0-0/jack_dummy.so
> getting driver descriptor from /usr/lib/libjack0.80.0-0/jack_oss.so
> jackd 0.99.0
> 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
> 
> registered builtin port type 32 bit float mono audio
> loading driver ..
> new client: alsa_pcm, id = 1 type 1 @ 0x51d490 fd = -1
> apparent rate = 44100
> creating alsa driver ... hw:0|hw:0|1024|2|44100|0|0|hwmon|swmeter|-|32bit
> control device hw:0
> configuring for 44100Hz, period = 1024 frames, buffer = 2 periods
> Couldn't open hw:0 for 32bit samples trying 24bit instead
> Couldn't open hw:0 for 24bit samples trying 16bit instead
> Couldn't open hw:0 for 32bit samples trying 24bit instead
> Couldn't open hw:0 for 24bit samples trying 16bit instead
> sample rate in use (48000 Hz) does not match requested rate (44100 Hz)

Try running at 48000HZ not 44100.  It sounds like your soundcard won't
do 44100.

Lee




More information about the Linux-audio-user mailing list