On Wed, 2006-06-21 at 02:02 +0000, Cesare Marilungo wrote: > Lee Revell wrote: > > >On Tue, 2006-06-20 at 10:24 -0700, Mark Knecht wrote: > > > > > >>Many built-in/inexpensive sound cards are stuck at 48K. Possibly this > >>one is also? > >> > >> > >> > > > >It's still a bug for JACK not to report any error. > > > >Does aplay report any errors with a 44100Hz file? > > > > > > > In fact it happens on my laptop (it has a VIA AC97 chip). Jack does > report the sample rate you choose but the other applications connect to > it at 48000Hz. > > I guess it is because they're designed to play dvds (which are at > 48000Hz) and they don't have a built-in sample rate converter. Maybe > JACK assumes they always have one since it is designed for high end cards? > I think cards defaulted to 48000Hz before DVDs existed. I believe the AC97 spec requires it and it's cheapest to support a single sample rate and rely on a software sample rate converter for everything else. Lee > >>- Mark > >> > >>On 6/20/06, Link Swanson <link@xxxxxxxxxxxxxxxxx> wrote: > >> > >> > >>>After removing my Multiface II and switching back to my nVidia onboard > >>>audio, qjackctl will not run at 44100. I can set it in the setup window > >>>and it reports starting 44100 in the messages: > >>> > >>>11:07:46.232 Patchbay deactivated. > >>>11:07:46.322 Statistics reset. > >>>11:07:46.498 MIDI connection graph change. > >>>11:07:46.528 MIDI connection change. > >>>11:07:47.580 Startup script... > >>>11:07:47.580 artsshell -q terminate > >>>11:07:47.861 Startup script terminated with exit status=256. > >>>11:07:47.861 JACK is starting... > >>>11:07:47.862 jackd -R -dalsa -dhw:1,0 -r44100 -p512 -n2 -S > >>>11:07:47.870 JACK was started with PID=3071 (0xbff). > >>>jackd 0.101.0 > >>>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 .. > >>>Enhanced3DNow! detected > >>>SSE2 detected > >>>apparent rate = 44100 > >>>creating alsa driver ... hw:1,0|hw:1,0|512|2|44100|0|0|nomon|swmeter|-|16bit > >>>control device hw:1 > >>>configuring for 44100Hz, period = 512 frames, buffer = 2 periods > >>>nperiods = 2 for capture > >>>nperiods = 2 for playback > >>>11:07:49.953 Server configuration saved to "/home/bozone/.jackdrc". > >>>11:07:49.954 Statistics reset. > >>>11:07:49.979 Client activated. > >>>11:07:49.980 Audio connection change. > >>>11:07:49.981 Audio connection graph change. > >>>Enhanced3DNow! detected > >>>SSE2 detected > >>>11:10:21.095 MIDI connection graph change. > >>>11:10:21.123 Audio connection graph change. > >>>11:10:26.482 Audio connection graph change. > >>>11:10:26.504 MIDI connection graph change. > >>> > >>>But then both qjackctl and Ardour report 48000 as the samplerate. > >>> > >>>All help is appreciated. > >>> > >>>Link > >>> > >>> > >>>-- > >>>e-mail is . . . > >>> > >>> > >>> > > > > > > > > > > > >
