Linux-audio-dev

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7516 discussions

by Hans Fugal

I've been putting together a library for using LADSPA plugins in Ruby. I think it's code-complete, and could use some early beta testers while I finish packaging it up. If you know ruby and LADSPA and would like to look at it send me an email off-list and I'll send you a tarball. I anticipate a first release later this week. -- .O. Hans Fugal | De gustibus non disputandum est. ..O http://hans.fugal.net | Debian, vim, mutt, ruby, text, gpg OOO | WindowMaker, gaim, UTF-8, RISC, JS Bach --------------------------------------------------------------------- GnuPG Fingerprint: 6940 87C5 6610 567F 1E95 CB5E FC98 E8CD E0AA D460

21 years, 3 months

[linux-audio-dev] Re: wavelet sampling

by Juhana Sadeharju

>From: "Susan R. Cragin" <susancragin(a)earthlink.net> > >Can anyone send me to a web site describing wavelet sampling as it >applies to speech recognition? Probably best would be to search at ACM and IEEE digital libraries. But google can bring up good papers too. http://www.wavelet.org should be worth of looking at. They publish a digest having research notifications. Juhana

21 years, 3 months

[linux-audio-dev] FSMSI 2004 Proceedings (slides and audio recordings) available

by Media Innovation Unit - Firenze Tecnologia

====================================================================== FSMSI 2004 European seminar on "Free Software for Multimedia Streaming over the Internet" June 23/24, 2004 IRCAM, Paris, France http://freesoftware.ircam.fr/fsmsi2004 FSMSI 2004 PROCEEDINGS (SLIDES AND AUDIO RECORDINGS) AVAILABLE ====================================================================== SCOPE OF THE SEMINAR The exponential growth of network speed makes it possible to exchange high quality audio and video contents over the Internet, often with real time capabilities. However, multimedia streaming still presents several issues with regards to Free Software and open standards: patents on software and data formats, free codecs availability, standards definitions, etc, etc. The goal of this seminar is to provide an overview of existing Free Software for multimedia streaming over Internet, to envisage future developments and collaborations in this area and to examine the possible ways to fund these developments. PROCEEDINGS AVAILABLE All the proceeding for the first edition of FSMSI, which took place at IRCAM (Paris), with the participation of Carlo Calabrò (Videolan), François Déchelle (Ircam), Dominique Fober (Grame), Andrea Glorioso (MIU-FT), Eric Gressier (Cnam), Olivier Lescurieux (Ircam), Hans-Nikolas Locher (Cnam), Juan Carlos De Martin (IEIIT-CNR/Politecnico di Torino), Yann Orlarey (Grame), Stuart Cunningham (BBC R&D) and Anuradha Suraparaju (BBC R&D) as speakers, are now available online at: http://freesoftware.ircam.fr/rubrique.php3?id_rubrique=83 You will find both the presentations' slides [S] and (most of) the audio recordings [A] here: - Francois Dechelle: Introduction [S] http://freesoftware.ircam.fr/misc/fsmsi2004/slides/francois.dechelle.pdf - Andrea Glorioso: "Innovating the Media: why Streaming is important for Free Software (and viceversa)" [S] http://freesoftware.ircam.fr/misc/fsmsi2004/slides/andrea.glorioso.pdf - Carlo Calabro`, Simon Latapie: "The VideoLAN project" [S] http://freesoftware.ircam.fr/misc/fsmsi2004/slides/carlo.calabro.simon.lata… [A] http://freesoftware.ircam.fr/misc/fsmsi2004/recordings/carlocalabro-videola… - Eric Gressier: "The distributed concert" [S] http://freesoftware.ircam.fr/misc/fsmsi2004/slides/eric.gressier.pdf [A] http://freesoftware.ircam.fr/misc/fsmsi2004/recordings/ericgressier-thedist… - Dominique Fober: "Clock skew in real-time networking" [S] http://freesoftware.ircam.fr/misc/fsmsi2004/slides/dominique.fober.clock-sk… [A] http://freesoftware.ircam.fr/misc/fsmsi2004/recordings/dominiquefober-wirel… - Dominique Fober: "Wireless performance in regard of music applications" [S] http://freesoftware.ircam.fr/misc/fsmsi2004/slides/dominique.fober.wireless… [A] http://freesoftware.ircam.fr/misc/fsmsi2004/recordings/dominiquefober-wirel… - Yann Orlarey: "Distant Music Rehearsal" [S] http://freesoftware.ircam.fr/misc/fsmsi2004/slides/dominique.fober.wireless… [A] http://freesoftware.ircam.fr/misc/fsmsi2004/recordings/Distant_Music_Rehear… - Juan Carlos de Martin: "The Open Media Streaming project" [S] http://freesoftware.ircam.fr/misc/fsmsi2004/slides/dominique.fober.wireless… [A] http://freesoftware.ircam.fr/misc/fsmsi2004/recordings/THe_Open_Media_Strea… - Stuart Cunningham, Anuradha Suraparaju: "BBC Research and Development multimedia projects" [S] http://freesoftware.ircam.fr/misc/fsmsi2004/slides/stuart.cunningham.anurad… [A] http://freesoftware.ircam.fr/misc/fsmsi2004/recordings/BBC_Research_And_Dev… The organization committee of FSMSI 2004, namely Andrea Glorioso (MIU-FT) and Francois Déchelle (IRCAM) would like to thank all the speakers and the participants to the conference, for making it such a useful and nice experience; to Patrice Tisserand and Simon Schampijer (IRCAM) for their valuable help; to Nicola Giosmin and Linda Salvadori (MIU-FT) for their organizational support from Italy. CONTACTS Web site: http://freesoftware.ircam.fr/fsmsi2004/ Mailing list: freestreaming-paris2004(a)lists.miu-ft.org http://lists.miu-ft.org/mailman/listinfo/freestreaming-paris2004 Organizational Committe: Andrea Glorioso <a.glorioso(a)miu.firenzetecnologia.it> Francois Déchelle <Francois.Dechelle(a)ircam.fr>

21 years, 3 months

[linux-audio-dev] Project advice

by Steve Harris

Hi all, Due to some family problems and lot of pressure at work I have not been able to spend as much time as needed on my audio projects in the last few months. This means that many of them have patch backlogs and TODOs with 6 month old jobs on then and I'm starting to loose track of things. The situation will probably get worse in the next few months. Because of this I'm going to try to move as many projects as reasonable onto sourforge (or similar), so that there is a maling list and bug reporting system where the outstandiing problems can be publicy seen, and that will hopefully be more reliable than my inbox and memory :) Also for the posibility of coding and administration assistance. There are a few questions I have for the community though, so feedback would be helpful: Timemachine - the code is pretty simple, but it needs a couple of fixes - theres a race condition that a friend has agreed to fix, and it needs some way of switching between WAV and W64 files as needed. Its unlikly to grow much bigger though, so I'm not sure it relly needs a proper project. SWH-plugins - this is a biggie. Its a bit of a maintainance nightmare so it should be somewhere other people can get at it, but I'm very tempted to change the name, as it's a bit self publicising - a lot of the effort was contributed by other people, and I dont want to seem like I'm claiming their effort. OTOH, it has quite a lot of "brand recognition" (or whatever the free software equivalent is). Meterbridge - the code is in a state of flux, in the CVS tree I'm halfway though a parallel graphics backed for OpenGL - it decreases the CPU load immensly, and lets you scale meters live, which is very handy, but its a fairly big job, and I dont know OpenGL that well. The question is wether I should wait for the OGL port to be finished before I inflict the code on the world. Liblo - the most common bug report I get is that the name is too short - so maybe that should change :) suggestions welcome, libliteosc seems obvious, but may be not true in the future. Other than that its a good candidate for being inflicted on the world - its actually pretty well documented! I'm most of the way though refactoring the network code to make it less UDP specific, and adding UNIX domain socket support. The libtool stuff is b0rked. I think OSC is important to the future of linux audio, so I always intended to make this a colaborative project once it had enough momentum. Cheers, Steve

21 years, 3 months

[linux-audio-dev] DSSI and GUI

by Joost Yervante Damad

Hi, I'm trying to get DSSI to work for me. I tried with Xsynth and the less trivial example from the DSSI source. As host I tried rosegarden and the example host from DSSI. The plugins load fine, from within rosegarden I can also use them and control/use them to make nice noises, yet the plugin own gui doesn't show in both hosts. Anyone experienced something simular? Greetings, Joost Damad

21 years, 3 months

[linux-audio-dev] How to run 4 instances of music player (Alsaplayer) smoothly ?

by Robert Rozman

Hi, I'd like to include music players in my home automation system. I'd like to run 4 instances of music player - but I want them all to run with sufficient resources - not to do hickups when there is something else on server.... Any advice, help ? Regards, Robert.

21 years, 3 months

[linux-audio-dev] [ANN] new releases

by Fons Adriaensen

Hello LAD, New releases of aeolus, jaaa, and the required shared libs are now available at <http://users.skynet.be/solaris/linuxaudio>. Aeolus: * The AEOLUS_DIR environment variable is no longer used. There is now a command line option -S <directory> to select the stops directory. This permits you to have more than one stops directory (and hence different instruments). Also allows packagers to install the stops in a system-wide place and still allow each user to override this. * You can now have a file named '.aeolusrc' in you home directory to specify default options. All command line options have an equivalent name that can be used in ~/.aeolusrc. See README for more details. Jaaa: * adapted to new library versions, otherwise the same as before. Shared libs: * Now install in /usr/lib and /usr/include instead of /usr/local/*. Please ensure old versions are removed before you make aeolus or jaaa. * clalsadrv: now works again with 'plug' devices. * clthreads: updated to handle modified defaults in 2.6 kernel. Enjoy ! -- FA

21 years, 3 months

[linux-audio-dev] jack to wav?

by Hans Fugal

Is it within the realm of jack to be able to output to a sound file (e.g. wav) instead of playing the sound? -- .O. Hans Fugal | De gustibus non disputandum est. ..O http://hans.fugal.net | Debian, vim, mutt, ruby, text, gpg OOO | WindowMaker, gaim, UTF-8, RISC, JS Bach --------------------------------------------------------------------- GnuPG Fingerprint: 6940 87C5 6610 567F 1E95 CB5E FC98 E8CD E0AA D460

21 years, 3 months

[linux-audio-dev] missing fonts in VST plugins

by Dave Phillips

Greetings: A while ago I was mucking around with fonts to work with Finale under WINE. I don't know what I did, but now when I run a VST instrument the fonts have been replaced by little empty squares. If anyone can help I'll provide the details and images to clarify what's happening. I'm hoping it's an easy fix... Best, dp

21 years, 3 months

[linux-audio-dev] [ANN] MusE 0.7.0 is out!

by Robert Jonsson

Hi everybody, It is finally here! The long awaited: <drumroll> ==================================================== # # ###### #### ##### ## ## # # ## # # # # # # # #### # # # # # # # # # # ## # #### # # # # # # # # ## # ## # # # # # # # ## # # # ## # # # #### #### ###### #### ## # ==================================================== </drumroll><crash> [Introduction] A new stable release of MusE has finally seen the light of day. This release has been in development for over half a year and the list of changes is huge. This milestone release has internal as well as external redesigns resulting in much improved stability. MusE 0.7 has also improved usability as well as plenty new and improved features. [Overview] Muse is an integrated midi and audio sequencer with support for Alsa, Jack, LADSPA, internal and external softsynths and much more. All in all it is a complete music creation environment. See the MusE homepage: http://lmuse.sourceforge.net for a more comprehensive overview. [New and improved] This new version of MusE has a huge amount of changes, some highlights: * New look - MusE has a new look with both visual and usability improvements * Lots of performance improvements - Internal redesign leading to realtime performance greatly improved * Softsynths - MusE can now utilize win32 VST-Instruments natively - Internal synth interface redesigned for better performance * MusE is now always a Jack application - Interface to jack extended greatly - support for jack transport (both master and slave) - freewheeling mode for mixdown etc... * Audio functionality extended - Mixer merged with midi-mixer - Audio routing redesigned - New types of generic 'tracks' Input/Output/Aux/Group/etc * Automation - A new automation subsystem (first version) * Configuration and customization - lots of new customization options - shortcut editor * Editor improvements - drum editor improved with many shortcuts - arranger keyboard navigation and shortcuts [On the minus side] * Score editor is no longer available * Song format changed, no converter has been produced as of yet. * MusE can no longer be started 'stand alone', jack is always used. See http://lmuse.sourceforge.net/wiki/index.php/Features for a list of more bells and whistles. [Download] The source download is available at: http://sourceforge.net/projects/lmuse [Known issues] Have a look at the Errata at http://lmuse.sourceforge.net/wiki/index.php/Errata0.7 for a list of known issues with this release. [Many more changes] * do not save midi controller information in ~/.MusE file * Added message boxes when alsa and jack fails to initialize * added icons for drum-/listeditor in the arranger on rightclick * disabled midi mtc sync as its not implemented; disabled midi sync slave modes as they are currently not working * enabled sending midi clock * splitted removeTrack()/insertTrack() into three phases: pre realtime actions - realtime actions - post realtime actions; this allows to move memory allocations out of realtime task * changed undo/redo of tracks: synti instances are now really deleted on delete track * jack connection changes with qjackctrl are now recognized by MusE * applied patch from John Check to add a panic button to pianoroll editor * impl. "all notes off" for organ synti * disabled buttons for not implemented functions * added muse/wave/solo button in the trackinfo * enabled some midi sync code * dialogs for change of drummap when converting miditrack to drumtrack or changing port. * automatic trackchange in tracklist when selecting parts in arranger * added modify velocity to drumeditor + bugfix for modify velocity * fixed midi step recording * fixed bug in arranger: pressing enter after renaming part started editor * fixed --enable-rtcap configuration option * fix make MusE work on 64 bit architectures * added aux send for syntis * added info box which explains why when MusE gets kicked by Jack * added instrument definition for roland MC-505 * store a backup upon saving a new version of a song * transpose + grid patch added * added new config option: disable splash screen * fixed a crash when moving an event to tick positions < 0 * fixed: selecting a note in pianoroll editor and changing a value with note-info toolbar crashed MusE * added pianoroll velocity variation when clicking on virtual keyboard * hopefully a fix for drum in & outmap-issues in midi.cpp * FluidSynth: added support for drum patches * MusE now will not start if RTC is not available. * changed default start behaviour to open default.med template * Lots of new icons * Autodetect of browser for help system * pitch bend handling and import fixed * show one more measure in pianoroll and drum editor * list editor: implemented input mode for program change messages * fixed routing for stereo LADSPA plugins used in mono strips * midi import fixes * auxSend chorusSend and reverbSend enabled in midi mixer strip if corresponding controllers are added * implemented "Add New Controller" in list editor / edit controller * midi controller values now saved in *.med file * drag & drop import of wave and midi files * updated roland-XP30.idf instrument definition * Custom guis for plugins work again * Splash screen * LADCCA/LASH support updated * Cleaned up shortcuts * Single key shortcuts for edit tools * Update marker list on tempo change * Allow adding markers from the ruler with shift-click * Metronom now sends proper note off events * Clip list editor deaktivated * After loading of template, treat current project as "untitled" * Song format changed due to bugfixes * Shortcuts to bug reporting tool and homepage from help menu * Updated AboutBox * Fixed QT version check in m4/qt.m4 check the Changelog http://cvs.sourceforge.net/viewcvs.py/lmuse/muse/ChangeLog?rev=1.214&view=a… for a complete list of changes (no this wasn't all). Have lots of fun and tell us what you think! Regards, /MusE Development team

21 years, 3 months

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Linux-audio-dev