Linux-audio-user December 2009

linux-audio-user@lists.linuxaudio.org

166 participants
190 discussions

by Ivica Ico Bukvic

> > Also, if you need any assistance testing stuff, please let me know and > we'll > > gladly assist in whichever way we can. > > The "lsusb -v" output t for this devices in all seven combinations of the > sample rate and full/high speed modes would be useful. Clemens, Please see attached. Best wishes, Ico

16 years, 2 months

[LAU] ladspavst.linuxaudio.org site is going offline

by Ivica Ico Bukvic

All ladspavst users/contributors, A ladspavst visitor has brought to my attention that the ladspavst.linuxaudio.org has been spammed for quite some time, rendering a page into useless goop of spam. This is mainly due to lack of moderation. As a result, I've no other choice than to take the site offline until further notice. If you or someone you know is supposed to take care of this site, please contact me and we'll figure out the best way to bring this site back online. Until that happens, the site will remain offline. Best wishes, Ivica Ico Bukvic, D.M.A. Composition, Music Technology Director, DISIS Interactive Sound & Intermedia Studio Director, L2Ork Linux Laptop Orchestra Assistant Co-Director, CCTAD CHCI, CS, and Art (by courtesy) Virginia Tech Dept. of Music - 0240 Blacksburg, VA 24061 (540) 231-6139 (540) 231-5034 (fax) ico(a)vt.edu http://www.music.vt.edu/faculty/bukvic/

16 years, 2 months

[LAU] [ANN] jack_mixer 7

by Frédéric Péters

jack_mixer is a GTK+ JACK audio mixer app with a look similar to its hardware counterpart. It has lot of useful features, apart from being able to mix multiple JACK audio streams. It is licensed under GPL version 2 (or later). http://home.gna.org/jackmixer/ http://gna.org/projects/jackmixer/ http://download.gna.org/jackmixer/jack_mixer-7.tar.gz Nedko Arnaudov gave me maintenance in October and here comes a first release since I accepted, hopefully I got everything right. What changed since version 6? * New maintainer, thanks Nedko for everything! * New icon by Lapo Calamandrei * Option to have a gradient in the vumeters * Option to use stock GtkScale widget for volume and balance * Rewrite of the C/Python binding (this removed the dependency on SWIG) * Improve performance when drawing vumeters * New menu items to load/save settings * New "Channel Properties" dialog, allowing to change assigned MIDI CCs * Automatic post fader outputs for input channels * Possibility to add new output channels, besides main mix * New "monitor" output, assignable to any output channel, or input channel (in which case it will take its prefader volume) * Removal of PyXML dependency Thanks to Nedko Arnaudov, Lapo Calamandrei, Arnout Engelen, and Krzysztof Foltman for their contributions!

16 years, 2 months

[LAU] piano samples

by andy baxter

Hi all, Can anyone recommend a good quality set of free piano samples that will work with either fluidsynth or linux sampler, and run in under 1Gb of memory? I would like to find something better than the piano on the standard GM soundfont that comes with debian, but can't use the 'Maestro Concert Grand' gig file from the linux sampler site because of memory limitations - the machine I am using can only take up to 1Gb of memory. thanks, andy

16 years, 2 months

Re: [LAU] Alphatrack: Delays?

by Harry Van Haaren

Hey, > Sounds like you have a buffering problem? Is the data being stored on > your computer until a newline or the buffer is full and then being > sent as one chunk then? >From my code, I'm sending a sysex using pygame.midi. See this PasteBin <http://pastebin.com/f7f920174> for my Python code. When I run that code, "Hello" is printed on the bottom left of the screen, with a plenty fast respone in windows. PortMidi also throws and Exception on shut down. It can be ignored safely. When I run the same code on my linux box, it takes about 1-5 seconds before the screen is updated. Seem to me like the only way that's possible is that somewhere between the Alphatrack AlsaSeqencer client and the kernel module there's a delay. In answer to your question, I dont think its my code thats waiting for a newline. I cant understand the source for the kernel module (lots of libUsb stuff) well enough to see if that waits for a full buffer. I doubt the author of that would do that though. (musical_snake(a)gmx.de). Cheers, -Harry I tried contacting the author at that address, maybe its not in use anymore..?

16 years, 2 months

[LAU] DIY position sensitive midi drum pad

by andy baxter

Hello all, I have been working on a project to develop a DIY midi drum pad that modulates the sound it makes according to where you have hit it, as well as how hard. The first prototype is now working fairly well, and in the spirit of 'release early, release often', I am announcing the first release of the pad design and supporting software. I have put up a wiki here: http://home.ganglion.me:8000/dokuwiki/doku.php?id=synpad:home describing how to build one, with downloads of the supporting software. If anyone is interested in getting involved in this project, it would be good to hear from you. Cheers, andy baxter.

16 years, 2 months

[LAU] Alphatrack: Delays?

by Harry Van Haaren

Hey all, I've got a Frontier Design Alphatrack<http://www.frontierdesign.com/Products/AlphaTrack>, which is supported on Linux using a kernel module. I got that to compile & insert no problem, the AlsaSeq client shows up, reading data from the device is 100% perfect and time-accurate. The problems start when I send messages back to the device, (to print on screen, or turn on LEDS etc). Sometimes the device reacts pretty quickly, but usually it takes a second or more before the screen updates, or the fader moves. In extreme cases it takes a good 5-7 seconds before there's any respone in the unit. I'm positive the commands I'm sending are perfect, as Python & C++ have both been used to issue the commands, and the Python version works on Windoze. Does anybody have this too? Does anybody have good experiences with the Alphatrack? I'd appreciate any\all feedback. Cheers, -Harry

16 years, 2 months

[LAU] Music Made w/Linux: Large -- Mary's Song

by Gabriel M. Beddingfield

Hi All, I wrote/recorded a Christmas song, "Large -- Mary's Song." Enjoy! http://gabrielbeddingfield.bandcamp.com/track/large-marys-song-featuring-co… Style: Rock, Pop Linux tech: Ardour, JACK, Hydrogen, jack_midi_clock, the C* stereo chorus, the Dyson compressor, 500MHz PC :-) Thanks, guys! -gabriel

16 years, 2 months

[LAU] (no subject)

by Daniel Joshua Worth

16 years, 2 months

Re: [LAU] [Alsa-user] ALSA(?) stops playback (seamingly) randomly

by Jonathan E. Brickman

16 years, 2 months

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Linux-audio-user December 2009