Linux-audio-user October 2010

linux-audio-user@lists.linuxaudio.org

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93 discussions

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SF2 LV2

by allcoms

Does anyone know of an LV2 plugin for using fluidsynth ie for the loading of soundfonts?

14 years, 10 months

rtkit/rtirq

by Jaromír Mikeš

Hi, can somebody explain me difference between rtkit and rtirq? rtkit http://git.0pointer.de/?p=rtkit.git;a=blob;f=README;h=206773d8c2ed7cd9ab617… http://0pointer.de/public/rtkit-0.9.tar.gz rtirq http://alsa.opensrc.org/Rtirq http://www.rncbc.org/jack/rtirq-20090920.tar.gz Can they be used together? regards mira

14 years, 10 months

How to add to Distributions list in wiki.linuxaudio.org ?

by Jonathan E. Brickman

How does one add to this list: http://wiki.linuxaudio.org/apps/categories/linux_audio_bundles_distributions I heard recently of KXStudio, and thought perhaps it should be added. J.E.B.

14 years, 10 months

EMutrix v0.2 released

by Camilo Polymeris

Hello EMutrix is a simple, easy-to-use graphical mixer application for EMU 1010 based cards like the E-MU 1212m, E-Mu 1616m, E-MU 1820, and now E-MU 0404 PCI models. The EMutrix version 0.2 source package is available for download at http://emutrix.googlecode.com. It is mostly functional, allowing arbitrary routing between the card's multiple inputs, outputs and ALSA, setting clock rate and pads. This new version features some basic 0404 PCI support (not tested, as I don't own one), bugfixes, code cleanup and some GUI changes, like the ability to hide unwanted channels and operate pairs of L/R channels together. More features to come in future versions. Try it out if you have an E-Mu card. Any comments & feedback welcome. Greetings, Camilo

14 years, 10 months

RF64 file format and commercial software

by Erik de Castro Lopo

Hi all, If anyone has access to any commercial software that includes support for writing the RF64 file format, I'd appreciate it if you send me (direct please, not to the list) a small file (ie less than 100k) with information about the program that generated it. For those interested, I'm trying to get the libsndfile RF64 implementation correct in spite of the RF64 specification being somewhat flawed [0]. Cheers, Erik [0] http://www.mega-nerd.com/erikd/Blog/CodeHacking/libsndfile/rf64_specs.html -- ---------------------------------------------------------------------- Erik de Castro Lopo http://www.mega-nerd.com/

14 years, 10 months

repeatable jack related segfaults

by Julien Claassen

Hello everyone! I'm experiencing trouble with jack and multiple servers. The moment I start a second jackserver (for net I/O) and try: jack_lsp -s new_name jack_lsp segfaults. If I start jack_netsource first (by accident or should it be that way?) and then start jackd for net I/O, I get a segfault from the new jackd. jackd -N new_name -dnet -r16000 -b8 -i1 -o1 -I0 -O0 -l 5222 [...] creating net driver ... net_pcm|16000|1024|5222|1|1|transport_sync:1 bind error netjack: period : up: 0 / dn: 0 netjack: framerate: 16000 netjack: audio : cap: 1 / pbk: 1) netjack: midi : cap: 0 / pbk: 0) netjack: buffsize : rx: 0) [165384.703633] jackd[21189]: segfault at 8 ip b804f24b sp b6a572c0 error 4 in j ack_net.so[b804a000+a000] Segmentation fault If I start the jackd first and then type jack_lsp -s new_name [165501.994692] jack_lsp[21200]: segfault at 0 ip 08049078 sp bfea7c50 error 4 i n jack_lsp[8048000+2000] Segmentation fault I'm running jackd version 0.119.0 (from svn), a 2.6.30.4 kernel with lowlatency options chosen (no patches though) and if that is of any importance ALSA version 1.0.20. Can someone help here? Kindly yours 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

14 years, 10 months

Re: [LAU] RF64 file format and commercial software

by Kjetil S. Matheussen

Erik de Castro Lopo: > > Hi all, > > If anyone has access to any commercial software that includes > support for writing the RF64 file format, I'd appreciate it if > you send me (direct please, not to the list) a small file (ie > less than 100k) with information about the program that generated > it. > > For those interested, I'm trying to get the libsndfile RF64 > implementation correct in spite of the RF64 specification > being somewhat flawed [0]. > > Cheers, > Erik > > [0] http://www.mega-nerd.com/erikd/Blog/CodeHacking/libsndfile/rf64_specs.html Hi, I think SND for a good while has done automatic conversion from wav to rf64 when the file becomes too large. Sorry if this was old news. :-)

14 years, 10 months

Heads Up :)

by Folderol

Just updated my debian squeeze based DAW and noticed audacity was amongst the updates. This once more works with jack - it hadn't for the last two or three updates. -- Will J Godfrey http://www.musically.me.uk Say you have a poem and I have a tune. Exchange them and we can both have a poem, a tune, and a song.

14 years, 10 months

Re: [LAU] Some new things to play with

by fons＠kokkinizita.net

On Mon, Oct 11, 2010 at 10:29:57PM +0200, Jostein Chr. Andersen wrote: > > Zita-rev1: Stereo or Ambisonic reverb. > > I tried it on a snare and did a test on a whole drum set, damn it sounds good, > it to good to be true! I'm seldom satisfied with the reverbs I hear, but this > is amazing. The controls works exactly as expected should when I tweak them: > natural and responsive. I didn't expect it to be used on drums, but if it sounds OK, why not ! > This two new additions fits perfect to what I consider to be the > philosophy of your eq-channel strip you kindly sent me: Great, musically > natural sound that does precise what I want and make my trust my ears again. Never let technology get in the way of your ears !! Ciao, -- FA There are three of them, and Alleline.

14 years, 10 months

large .wav file in Ardour - problems

by Renato

Hello, I made a large recording in Ardour. The .wav file is 4.9 gb. I'm having problems with it and I don't understand if the file is faulty or if it's something related with the wav format, which seems to have some problems with large files (or am I wrong?). I suspect it could be faulty because the recording in Ardour actually went on untill there was no more disk space, at which point it obviously stopped. So maybe there could be something wrong in the header? The symptoms are: in Ardour (2.8.11 BTW), with a "small" zoom (such that I can see all 5 hours of recording in one screen), I can see the contour of the waveform only to a certain point, at approx. 1h 30m, and thereafter only silence. Strange thing number one is, if I zoom in, at a certain point the waveform appears also for the second part. Strange thing number two is whenever I move the transport bar to a part of the region in the "fake silence zone" and hit play, the transport starts moving from there, but the audio is actually playing *from the beggining* of the region (so more than 1h and 30m before). If I pause, move the transport bar and hit play, the audio now starts from where it had left... Strange thing number three is that strange thing number two stops happening if I put the transport before the 1h 30m point, hit play, and go through that point (after which I hear silence) Do I have any chances of getting back the whole audio file? BTW I tried opening the original .wav with mplayer,vlc,audacity and mhwaveedit and all see the file terminating at that critical point. Also, what precautions should I take in the future when I'll have to record such long sessions? thanks for any help, renato

14 years, 10 months

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Linux-audio-user October 2010