Linux-audio-user June 2008

linux-audio-user@lists.linuxaudio.org

138 participants
116 discussions

by Ben Tartsa

Is anyone familiar with how smp_affinity works? I have a dual processor (xeon p4 single core, hyperthreading off) machine and while experimenting/tweaking I discovered IRQ's with smp_affinity values besides 1 or 2. Is this typical behavior? Thanks, Ben

17 years, 2 months

Re: [LAU] E-MU 1616 Cardbus AudioInterface

by Susanne Schneider

Ctirad, thanks so much for this detailed info! :-) best regards Susanne

17 years, 2 months

latency issues (practical aid needed on a practical example)

by Julien Claassen

Hi everyone! I just compiled a sound generator, which can be controlled vai MIDI, it uses simpe raw-midi and jack as output, via bio2jack. Now I have horrible latency 0.2-0.5sec (rough estimate). Where should I start looking in my setupt. I know others had the software running without problems. Sorry for being so abstract, but I'm not allowed to mention the software. :-( But I could post parts of the source if necessary. My setup is: Debian Lenny with custom built kernel 2.6.24-rt1 JACK subversion 0.109.0 jack-commandline: jackd --timeout 4500 -R -d alsa -d hw:1 -r 48000 -p 128 -H -M -z shaped ALSA version 1.0.15 Any idea where to optimise? Kindest regards Julien -------- Music was my first love and it will be my last (John Miles) ======== FIND MY WEB-PROJECT AT: ======== http://ltsb.sourceforge.net the Linux TextBased Studio guide ======= AND MY PERSONAL PAGES AT: ======= http://www.juliencoder.de

17 years, 2 months

E-MU 1616 Cardbus AudioInterface

by Susanne Schneider

hi, does anybody already use this interface and can recommend it? I'm looking for a "non-USB" interface and would prefer a cardbus device. Basically I love my currently used Lexicon Omega USB card, but when dealing with some synths the USB-bus seems to come to it's limits... I use kernel 2.6.25.4-rt4 in opensuse 10.3 on a Thinkpad R61 with T8100/2GB thanks and best regards Susanne

17 years, 2 months

Both Analog and Digital out via Coaxial in SB Audidy 2

by User Duspace

I was using coaxial output in my SB audigy 2 planinum for both DIGITAL and ANALOG audio output. But after a while (I do not know the real reason, maybe a kernel upgrade or my LIRC configuration attempt) I couldn't get any analog audio from coaxial, i was getting only digital output. Analog output was only coming from analog output. I undid my configurations etc. But I did not succeed. I googled a lot and there was no solution for my problem. I want all my audio output from coaxial, so there would be no need switching to analog to digital back and forth in my sound system. If anybody can lead me to a solution or help me, I would be appreciated. Thanks in advance.

17 years, 2 months

Cellular Automaton Sequencing

by holotone＠gmail.com

Saw this come across the CDM feed today, and was hoping someone could help me track down a similar app that'd work under Linux; I'm interested in sequencing a collection of sounds in a semi-random rhythmic fashion - Anything ya'll know if that'd fit the bill? I'm also interested in software at all along the lines pseudo-random / glitchy / fractal / math inspired music. Thanks! -- ~holotone http://holotone.net/

17 years, 2 months

Re: [LAU] MIDI controlled slideshow?

by Gavin Stevens

Hi Bob, > Date: Sun, 08 Jun 2008 16:56:45 -0700 > From: Bob van der Poel <bob(a)mellowood.ca> > Subject: [LAU] MIDI controlled slideshow? > To: A list for linux audio users > <linux-audio-user(a)lists.linuxaudio.org> > Message-ID: <484C71BD.1090806(a)mellowood.ca> > Content-Type: text/plain; charset=UTF-8; format=flowed > > > I'm sure I'm not the first to think of this ... but I haven't found > anything on google, etc. Must be searching wrong? > > Anyway, I was wondering if there was any software out there which > would let me control a slideshow from a midi track? I'd like to have > the midi going out to a synth and dedicate one channel (split out) to > display images on my monitor. > > Ideas of existing software for this?? This could be worth a read: http://www.gimp.org/unix/howtos/gimp-midi.html It's something I'm interested in doing myself, but haven't had the time to try it yet - I'd be interested in your thoughts on GIMP & MIDI. Gavin.

17 years, 2 months

Re: [LAU] [OT] Album release: kARHU - Sinfonia For The Blunt Sword

by Norval Watson

"If you dig Ulver, Venetian Snares, Amon Tobin or classics like Philip Glass and Brian Eno, this might be for you! Get it for *free (CC) *@ karhumusic.org <http://www.karhumusic.org> , available as MP3, OGG, FLAC." That's very impressive Niklas - as if they took all the instruments out of a symphony orchestra and replaced them with power tools! Thanks - I downloaded the whole album. Norv Get the name you always wanted with the new y7mail email address. www.yahoo7.com.au/mail

17 years, 2 months

Voice to MIDI

by Steve Fosdick

Does anyone know of a piece of software for Linux that will analyse a voice singing and generate the equivalent MIDI. This does not have to be real time, though that would be a bonus. Regards, Steve.

17 years, 2 months

compiling zynaddsubfx from svn

by Atte André Jensen

Hi I'm trying to compile zynaddsubfx from svn on ubuntu 7.10, and suspect my libjack's too old: atte@ajstrup:~/music/synth/zynaddsubfx$ jackd --version jackd version 0.103.0 tmpdir /dev/shm protocol 16 First I enabled this in Makefile.inc: LINUX_AUDIOOUT=OSS_AND_JACK atte@ajstrup:~/software/zynaddsubfx/08_06_09/src$ make <snip> JACKaudiooutput.C: In function ‘void JACKhandlemidi(long unsigned int)’: JACKaudiooutput.C:120: error: ‘jack_midi_port_get_info’ was not declared in this scope make[2]: *** [JACKaudiooutput.o] Error 1 make[2]: Leaving directory `/home/atte/software/zynaddsubfx/08_06_09/src/Output' make[1]: *** [Output] Error 2 make[1]: Leaving directory `/home/atte/software/zynaddsubfx/08_06_09/src' make: *** [all] Error 2 Then I applied zyn-jack-midi-branch-adjust.patch: atte@ajstrup:~/software/zynaddsubfx/08_06_09/src$ make <snip> g++ -O6 -Wall -DOS_LINUX -DALSAMIDIIN -DFFTW_VERSION_3 -DASM_F2I_YES -ggdb `fltk-config --cflags` -DJACKAUDIOOUT `pkg-config --cflags jack` -c -o JACKaudiooutput.o JACKaudiooutput.C /usr/include/jack/midiport.h: In function ‘void JACKhandlemidi(long unsigned int)’: /usr/include/jack/midiport.h:72: error: too few arguments to function ‘int jack_midi_event_get(jack_midi_event_t*, void*, jack_nframes_t, jack_nframes_t)’ JACKaudiooutput.C:122: error: at this point in file make[2]: *** [JACKaudiooutput.o] Error 1 make[2]: Leaving directory `/home/atte/software/zynaddsubfx/08_06_09/src/Output' make[1]: *** [Output] Error 2 make[1]: Leaving directory `/home/atte/software/zynaddsubfx/08_06_09/src' make: *** [all] Error 2 Any idea? I asked this once before (but forgot the answer + about a year has gone by): What's the best way to install zyn with all the latest stuff (mutex hotfix and extended mono)? Are they all in svn? -- peace, love & harmony Atte http://atte.dk | http://myspace.com/attejensen http://anagrammer.dk | http://modlys.dk

17 years, 2 months

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Linux-audio-user June 2008