Linux-audio-dev

linux-audio-dev@lists.linuxaudio.org

5 participants
7443 discussions

Re: [Consortium] Re: [linux-audio-user] Re: [linux-audio-dev] LAD/LAU/LAA/Consortium/...

by Marc-Olivier Barre

On 1/19/07, Mark Knecht <markknecht(a)gmail.com> wrote: > > By the way - one negative thing about email lists is that my response > will not be seen by everyone who saw what I'm replying to since I'm > not subscribed to all the lists on this email. > Wrong, if a non member posts on the list, it's my job to review the message and accept it if it's not spam and for LAA if and only if it's an announcement. __________________ Marc-Olivier Barre, Markinoko.

17 years, 8 months

Re: [linux-audio-dev] an relevant link about Vista

by Kjetil S. Matheussen

Wayne Myers: > > I'm not a fan of Microsoft either, but I do not believe there is any > place for your extremely contentious political opinions with regard to > the Middle East on this list. At all. > > You are of course entirely free to express those opinions, but you might > try choosing a forum where they are in some way relevant to discussion, > or, indeed, wanted. > Although I generally agree with you about choosing a more relevant forum, you should know that what you just wrote can be seen as just as much an extreme political opinion as well, and that you, by what you wrote, continue to nurture a potentional flame war. I don't know whether it was intentional or not.

17 years, 8 months

[linux-audio-dev] LAD/LAU/LAA/Consortium/...

by Predrag Viceic

Hi, Sorry for crossposting, which is intentional. See below ;) I personally think that this multiplication of LA lists is not a good thing. The idea, proposed by Ivica, which politely suggests the migration of all those lists to an unique one seems very good to me. I would even suggest the usage of a forum (à la php-forum) for information sharing. Those forums would allow multiple topics (LAD, LAA, LAU, Ardour, Rosegarden, MuSE, Jack, ... ) and in the same time facilitate the research, the tracking of topics and the most important thing, would allow the linux newcomers to see all the work done in those lists. I hope that I'm not irritating anyone by suggesting the above, but we are all conscious of the fact that linux audio is still a niche "market" so having an unique point of access to the posts would really be awesome. Cheers, Predrag Viceic http://freecycle.redsteamrecords.com

17 years, 8 months

Re: [linux-audio-dev] Recommended books for new audio developers

by apolinaire＠poczta.fm

Let me introduce a little (IMHO) listing of readings :) Generallly, Theory of Electronic Music created by Computer: The Theory and Technique of Electronic Music (Online Book) http://crca.ucsd.edu/~msp/techniques.htm by Miller Puckette (current version is "v0.11") Electronic and computer music by MANNING Peter (2004) http://books.google.com/books? vid=ISBN0195144848&id=P2dClS4LdPQC&pg=PP1&lpg=PP1&dq=Electronic+and +computer+music Additional Resources: Musik- und Audioinformatik (course) http://www.encyclospace.org/Musikinformatik_1/ by Prof. Dr. Guerino Mazzola ___________________________________________________________ Acoustics, etc. Master Handbook of Acoustics by F. Alton (2000 - 592 pages) http://books.google.com/books?q=everest+acoustics&btnG=Search +Books&as_brr=0 The Science of Sound by Thomas D. Rossing, F. Richard Moore, Paul A. Wheeler Addison Wesley (2002) ___________________________________________________________ Perception, Cognition Music, Cognition, and ComputerizedSound by Perry R. Cook (1999 - 392 pages) http://books.google.com/books? vid=ISBN0262531909&id=L04W8ADtpQ4C&pg=PP1&lpg=PP1&ots=7fqmDaKOy5&dq=music,+cognition,+and+computerized+sound&sig=yKMxGVK7hx2MY0Bt3d2o6IAB4l0 Spatial Hearing: The Psychophysics of Human Sound Localization by Jens Blauert (1997 - 494 pages) http://books.google.com/books? vid=ISBN0262024136&id=wBiEKPhw7r0C&pg=PP1&lpg=PP1&ots=4Grc8V9Sfj&dq=spatial+hearing&sig=gn-DAIIkAIpsR4bATxe9SYc5uCc Additional Resources: http://www.cnmat.berkeley.edu/Music108/index.html ___________________________________________________________ Digital audio signal Principles of Digital Audio by Ken C. Pohlmann (2005 - 842 pages) The Art of Digital Audio by John Watkinson (1994 - 685 pages) ___________________________________________________________ Audio Signal Processing The Scientist and Engineer's Guide to Digital Signal Processing http://www.dspguide.com/ (Online Book) by Steven W. Smith Digital Audio Signal Processing by Udo Zolzer http://books.google.com/books?vid=ISBN0471972266&id=IPMhDE- QWzQC&pg=PP1&lpg=PP1&ots=RgnzD-LNaH&dq=Digital+Audio+Signal +Processing&sig=yHPLV6fpUnuIBOuW1BvePBiHaLc DAFX - Digital Audio Effects by direction Udo Zolzer http://books.google.com/books? vid=ISBN0471490784&id=h90HIV0uwVsC&pg=RA1-PA2&lpg=RA1-PA2&ots=dhzgTFs4d- &dq=audio+digital+signal+processing&sig=amsRRLktD8AfWJ97vCiMuLe4Pw8 Introduction to digital filters. (Online Book) http://ccrma.stanford.edu/~jos/filters/ by Julius O. Smith Physical Audio Signal Processing: For Virtual Musical Instruments and Audio Effects (Online Book) http://ccrma.stanford.edu/~jos/pasp/ by Julius O. Smith additional resources: http://www.bdti.com/faq/ http://www.bdti.com/articles/info_articles.htm __________________________________________________________ Audio Programming Resources http://www.harmony-central.com/Computer/Programming/ http://www.audiomulch.com/~rossb/code/music-programming/ Linux Audio Conference papers etc. 2003 http://on1.zkm.de/zkm/stories/storyReader$3027 2004 http://on1.zkm.de/zkm/stories/storyReader$3623 2005 http://lac.zkm.de/2005/ 2006 http://lac.zkm.de/2006/ __________________________________________________________ Sound Recording Sound Recording: The Life Story of a Technology by David L. Morton (2006 - 215 pages) The Art of Recording: Understanding and Crafting the Mix by William Moylan (2002 - 304 pages) The Mastering Engineer's Handbook by Bobby Owsinski, Sally Englefried (2000 - 270 pages) Mastering Audio: The Art and the Science by Bob Katz, Robert A. Katz (2002 - 319 pages) additional resources: Foundations of Sound Recording Technology http://ccrma.stanford.edu/courses/192a/ Foundations of Sound Recording Technology http://ccrma.stanford.edu/courses/192b/ >Computer Music Tutorial > by Curtis Roads (1995, 1254 pages) >Computer Music: Synthesis, Composition, and Performance > by Charles Dodge and Thomas Jerse (1997, 480 pages) > I hope you will add something:) ----------- Pawel Cyrta -- pawel.cyrta(a)ircam.fr ------- l'Equipe Analyse/Synthese IRCAM 1 place Stravinsky 75004 Paris FRANCE ---------------------------------------------------------------------- Nieograniczona pojemnosc skrzynki >>> http://link.interia.pl/f19e6

17 years, 8 months

[linux-audio-dev] Recommended books for new audio developers

by Damon Chaplin

Hi, What are the recommended books to read for people new to audio development? (Covering things like synthesis techniques, effects processing and basic acoustics stuff.) On the bottom of the Documentation section of linux-sound.org I found these 2: Computer Music Tutorial by Curtis Roads (1995, 1254 pages) Computer Music: Synthesis, Composition, and Performance by Charles Dodge and Thomas Jerse (1997, 480 pages) Though they seem quite old. Is there anything newer or better? I guess for Linux-specific issues you have to read the docs/source for things like ALSA, Jack, LADSPA/LV2, DSSI & LASH. Damon

17 years, 8 months

[linux-audio-dev] lists.linuxaudio.org migration complete, time to consolidate LAD/LAU/LAA?

by Ivica Ico Bukvic

Greetings all, I am pleased to announce that the consortium lists have been migrated from the agnula domain and are fully functioning. They can be accessed via lists.linuxaudio.org. This important migration will greatly simplify further consolidation of online resources. Given that there was some discussion about this before which has elicited positive feedback, in an effort to consolidate online resources please consider this an open call to LAU/LAD/LAA maintainer(s) to consider migrating lists to the lists.linuxaudio.org. Provided that there is still interest for such a move, the consortium will provide you with necessary help to make migration as seamless as possible. Furthermore, linuxaudio.org in conjunction with Virginia Tech will provide: 1) virtually unlimited bandwidth 2) generous disk space 3) the necessary access to maintainers 4) the assurance that no institutional, logistical, and/or any other kind of control will be exerted over the mailing lists, respective maintainers and subscribers The list of current online resources hosted by linuxaudio.org can be found at portal.linuxaudio.org. I sincerely hope that the community will support this important milestone towards consolidation of Linux audio online resources. Should you happen to have any additional questions and/or concerns, please do not hesitate to contact me. Best wishes, Ivica Ico Bukvic, D.M.A. Linuxaudio.org Director Virginia Tech Department of Music - 0240 Blacksburg, VA 24061 (540) 231-1137 (540) 231-5034 (fax) ico(a)linuxaudio.org http://www.music.vt.edu/people/faculty/bukvic

17 years, 8 months

Re: [linux-audio-dev] an relevant link about Vista

by Dave Phillips

Lars Luthman wrote: >It's as if McDonald's would announce that the new and improved Big Mac comes with >shards of broken glass inside. > > Well, in America at least you can convince people to eat anything, and you can train them to like it and ask for more. Literal and figurative examples abound. Best, dp

17 years, 8 months

[linux-audio-dev] alsa mixing

by Milan Mimica

Hello! We're designing a new sound subsystem for allegro game programming library, and we would like to take advantages of multiple hardware voice capabilities. On linux, ALSA is the only software that possibly could expose API for such a capability, is that right? It is possible to open multiple PCM outputs and play sound at the same time on all of them. The problem is that we miss some basic mixing features, like panning a mono sound on multichannel output for example. A similar feature is implemented as 'route' ALSA plug-in that can be specified in .asoundrc file, but it is not flexible enough. So the question is, does ALSA provide such functionality? If not, which library could? Is it possible that linux OS doesn't provide any API to take advantage of such hardware capabilities? -- Milan Mimica http://sparklet.sf.net

17 years, 8 months

[linux-audio-dev] Locks or no locks?

by nick thomas

I apologize if this has been discussed previously on the list; Google didn't seem to be turning anything up from the list archives. I'm writing my first DSP program for JACK. My problem is this: I've got a high-priority audio synthesis thread, and a low-priority user interface thread, and they need to communicate: the UI thread needs to tell the synthesis thread to respond to the user twisting knobs and moving sliders in the interface, and the the synthesis thread needs to tell the UI thread what it's doing, so that the UI thread can update its monitoring widgets. I'm sure that this is an extremely common situation for JACK programs, and I was wondering how to handle it. I know of two possible approaches: using locks and shared memory, or using FIFOs and no shared memory. Vanilla pthreads provides direct support for the former approach, and JACK's ringbuffer interface seems to provide the necessary primitives to implement the latter approach. A lock-based system would probably be substantially simpler to implement than a lock-free one; however, I can imagine some possible priority inversion issues with a lock-based system. I don't know if that is ever a problem in practice, with real-time scheduling enabled. Anyway, there's my question: which approach (lock-based or lock-free) is generally favored for JACK programs? Thanks for helping a newbie out!

17 years, 8 months

[linux-audio-dev] linux vst

by Robert Jonsson

Hi, I noticed that the Linux-VST site has gone online now: http://linux-vst.com /Robert -- http://spamatica.se/musicsite/

17 years, 8 months

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