Linux-audio-announce

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[linux-audio-announce] [ANN] ALSA Patch Bay 0.5.1 (bug fix)

by Bob Ham

Hi, There was a problem compiling the gtkmm ui in 0.5.0 with the latest sigc++.. oops :) Fixed now. Trivial patch attached, and a new tarball and everything up on the website. http://pkl.net/~node/alsa-patch-bay.html Bob -- Bob Ham <rah(a)bash.sh>

21 years, 9 months

[linux-audio-announce] JACK 0.50 released

by Taybin Rutkin

Jack Audio Connection Kit 0.50.0 Released The Jack team is pleased to announce the release of version 0.50.0 of the Jack low-latency audio server. Jack allows applications to share data and audio devices in synchronous operation, and has already seen a year of hard testing and refinement. The API has stabilized for the foreseeable future, although backwards compatibility is not guaranteed. More information on Jack is available at the group's web site, [1]http://jackit.sourceforge.net/. Source packages for Jack 0.50.0 are available [2]here. What's new: * Audio block sizes are fixed during runtime so clients can have more efficient algorithms. * No partial blocks will be delivered. Again for efficient client algorithms. * Thread scheduling hidden from clients for better portability. * Cleanly compiles with gcc-3.3. * Works on 64-bit platforms Work is ongoing to improve transport control. Developers and users interested in Jack should sign up to [4]jackit-devel, our mailing list. References 1. http://jackit.sourceforge.net/ 2. http://jackit.sourceforge.net/releases/current/ 3. http://jackit.sourceforge.net/apps/ 4. http://jackit.sourceforge.net/lists/

21 years, 9 months

[linux-audio-announce] [ANN] ALSA Patch Bay 0.5.0

by Bob Ham

Hi all, Now supports jack. It needs the patchbay-facilitating jack functions that are only in cvs atm, tho; there's been no tarball release with them yet. And yes, it's still called "ALSA" patchbay :) * added jack driver, also installing a jack-patch-bay link to alsa-patch-bay and a jack-patch-bay.desktop * added client subscriptions, similar to qjackconnect; press a read port twice http://pkl.net/~node/alsa-patch-bay.html Bob -- Bob Ham <rah(a)bash.sh>

21 years, 9 months

[linux-audio-announce] [ANN] LADCCA 0.3.0

by Bob Ham

Hi all, LADCCA, the session management system for jack and alsa sequencer applications on linux is now at version 0.3. After about a month of gentle fiddling, it now seems to work quite well. As an example, I managed to run muse, 2 standalone copies of iiwusynth and 2 copies of jack rack, save it with the server, close all the apps and restore it nearly perfectly (I say "nearly" as muse likes to control alsa ports and connections.) It's certainly coming along. Quite a few people have mentioned that they don't have a recent version of alsa and so no alsa.pc file in order for pkgconfig to detect it. This time, I've included an alsa.pc in the tarball. Obviously, inspect it first and make sure the prefix is ok and it's all kosher. * Added the facility to run restored apps in a terminal using xterm, and added the CCA_Terminal client flag for clients that need a terminal to operate. * much improved jack and alsa listeners in the server * quite a few compilation and bug fixes and whatnot http://pkl.net/~node/ladcca.html Bob -- Bob Ham <rah(a)bash.sh>

21 years, 9 months

[linux-audio-announce] Sweep 0.8.1 Released

by Conrad Parker

Thu Feb 6 2003 -- Sweep 0.8.1 Released ======================================= Sweep is an audio editor and live playback tool for GNU/Linux, BSD and compatible systems. It supports many music and voice formats including WAV, AIFF, Ogg Vorbis, Speex and MP3, with multichannel editing and LADSPA effects plugins. Inside lives a pesky little virtual stylus called Scrubby who enjoys mixing around in your files. This development release is available as a source tarball at: http://prdownloads.sourceforge.net/sweep/sweep-0.8.1.tar.gz?download Latest News ----------- This release contains performance improvements for basic editing operations, including reduced memory consumption during cut and paste insert. It also includes support for creation of new files on the command line, updated handling of raw file loading through libsndfile, and updated support for voice activity detection and intensity stereo coding features of the Speex speech codec. Mstation.org this month features interviews with Conrad Parker about the history and development of Sweep, and with Erik de Castro Lopo, the author of libsndfile and libsamplerate which are used by Sweep. Further information ------------------- Screenshots: http://www.metadecks.org/software/sweep/screenshots/ Some interesting audio recordings of Scrubby are at: http://www.metadecks.org/software/sweep/demos.html Sweep is designed to be intuitive and to give you full control. It includes almost everything you would expect in a sample editor, and then some: * precise, vinyl like scrubbing * looped, reverse, and pitch-controlled playback * playback mixing of unlimited independent tracks * looped and reverse recording * internationalisation * multichannel and 32 bit floating point PCM file support * support for Ogg Vorbis, MP3 and Speex compressed audio files * sample rate conversion and channel operations * LADSPA 1.1 effects support * multiple views, discontinuous selections * easy keybindings, mouse wheel zooming * unlimited undo/redo with fully revertible edit history * multithreaded background processing * shaded peak/mean waveform rendering, multiple colour schemes Sweep is Free Software, available under the GNU General Public License. More information is available at: http://www.metadecks.org/software/sweep/ Thanks to Pixar Animation Studios and CSIRO Australia for supporting the development of this project. enjoy :) Conrad.

21 years, 9 months

[linux-audio-announce] Linux related on Mstation

by John Littler

Hi, This month we have for your reading pleasure ... Sweep is a Linux tool for editing and playing soundfiles in some non-standard ways. We talk to developer Conrad Parker. Interview Erik de Castro Lopo is the author of libsndfile and Secret Rabbit - libsamplerate. Here he talks to us about OO, C, C++, and testing. Interview Cheers John -- http://Mstation.org

21 years, 9 months

[linux-audio-announce] [ANN] JACK Rack 1.2.0

by Bob Ham

Hi all, No response to the beta testing request, so I'll have to subject you all to a likely hairy release :) Arbitrary channels are the biggest thing. Also, previous save files will no longer work as the save files use XML now. Sorry, but it's better to change it now instead of later as changing the xml format will create less of a disturbance. * can now have arbitrary channel numbers. you can use any plugin that has equal numbers of input and output channels where they divide exactly into the number of rack channels. eg, you could have a 4 channel rack with 2 stereo plugins in one slot and 4 mono plugins in another. obviously, you can also have mono racks now. use the -c command line option to specify the number of channels on startup. * now, when you lock a group of controls, only one widget will be shown. click on a control while holding down the CTRL key to make it the one that remains visible. * the PID is now used in the jack client name by default. you can change it to the previous behaviour (of using just "jack_rack") with the -n option. * save files now use an XML format (which is incompatible with the previous format, sorry) * port connecting works now, -i to connect inputs, -o to connect outputs * quite a bit of code factoring and cleanups and stuff http://pkl.net/~node/jack-rack.html Bob -- If you're happy and you know it, bomb iraq

21 years, 9 months

[linux-audio-announce] [ANN] Bandlimited LADSPA Oscillator Plugins ('BLOP') v0.2.6

by Mike Rawes

BLOP is a set of LADSPA plugins - after way too long, it's up to v0.2.6 Website: http://blop.sf.net This release includes: * Full RDF metadata, for use with liblrdf * Bandlimited oscillators (no aliasing noise) Sawtooth Square Variable width pulse Variable slope triangle Improved performance and quality (fixed some stupid mistakes) over v0.2.5 4 Pole Moog-type resonant filter Tuned, stable LADSPA version of this filter: http://musicdsp.org/archive.php?classid=3#26 Two ADSRs Single gate with variable threshold Gate + Trigger variant (New since v0.2.5) Analogue-Style Step Sequencer (New since v0.2.5) Random wave generator, amplifier, 1V/Octave->Hz convertor ('fmod') and a few other useful things. Enjoy, Mike __________________________________________________ Do You Yahoo!? Everything you'll ever need on one web page from News and Sport to Email and Music Charts http://uk.my.yahoo.com

21 years, 9 months

[linux-audio-announce] Sweep 0.5.4 -- !ybburcS olleH

by Conrad Parker

Sweep 0.5.4 Development Release ------------------------------- Sweep is a sound wave editor, and it is now also generally useful as a flexible recording and playback tool. Inside lives a pesky little virtual stylus called Scrubby who enjoys mixing around in your files. This development release is available as a source tarball at: http://prdownloads.sourceforge.net/sweep/sweep-0.5.4.tar.gz?download Changes since version 0.5.3 (September 5 2002) include bug fixes for playback during destructive operations and for edits of tiny regions, and improvements in configuration checks for libsndfile-1.0.0. Additionally, scrubbing is now working for reverse playback, and has been tuned for responsiveness independent of sample rate. There is now a web page introducing Scrubby and outlining a few simple editing and live performance techniques: http://www.metadecks.org/software/sweep/scrub.html Summary of library dependencies: * GTK+ 1.2 (standard in most distributions) * libsndfile-1.0.0, available at: http://www.zip.com.au/~erikd/libsndfile/libsndfile-1.0.0.tar.gz * libtdb, available in many distributions or at: http://www.sourceforge.net/projects/tdb Screenshot: http://www.metadecks.org/software/sweep/images/screenshots/sweep_20020813.p… Sweep is designed to be intuitive and to give you full control. It includes almost everything you would expect in a sound editor, and then some: * precise, vinyl like scrubbing * looped, reverse, and pitch-controlled playback * playback mixing of unlimited independent tracks * looped and reverse recording * internationalisation * multichannel and 32 bit floating point file support * LADSPA 1.1 effects support * multiple views, discontinuous selections * easy keybindings, mouse wheel zooming * unlimited undo/redo with fully revertible edit history * multithreaded background processing * shaded peak/mean waveform rendering, multiple colour schemes Help wanted! Sweep needs testing; please report any problems encountered! Urgent development is required in the following areas: ALSA and Jack support, updating of translations and user documentation. (NB. Sweep works fine with ALSA under OSS emulation -- the native ALSA support needs some fixing). Sweep is Free Software, available under the GNU General Public License. More information is available at: http://www.metadecks.org/software/sweep/ Thanks to Pixar Animation Studios and CSIRO Australia for supporting the development of this project. enjoy :) Conrad.

21 years, 9 months

[linux-audio-announce] GStreamer 0.6.0 released

by Christian Fredrik Kalager Schaller

GStreamer "Hottest Pick" 0.6.0 released[*] The GStreamer team is happy to announce our first ABI stable release series. The 0.6.x series of the GStreamer streaming-media framework. At this point in time GStreamer is fully functional for creating audio-based applications, as shown by applications such as gnome-sound-recorder, Rhythmbox and nautilus-media. Video-based applications still have some issues at this point, but we plan on solving those issues during the 0.6.x series in an ABI compatible way. We will also be releasing a development 0.7 release series, in which we will work on such things as the remaining video issues and the interactivity support which is needed for DVD menus and SWF (Flash). This means developers working on apps needing these services can use the 0.7 series for development and then enable 0.6 support as these additions optionally get backported to 0.6 once they are stable and work well. Thread issues and GStreamer Many of GStreamer's features relies heavily on threads. Unfortunately everything is not rosy in the Linux world of threads. If you have a glibc version installed compiled with i686 optimizations (which uses a different codepath than standard i386 glibc), there is a good chance you will experience thread-related crashes in gstreamer-based applications. There are a few workarounds to this available. * You can use an i386 glibc package instead. (Since this is the only one shipping with Debian, debian users do not experience this issue.) * You can also try running the gstreamer-based applications using the command-line option --gst-scheduler=opt, which invokes a newly created scheduler that does not use threads. This scheduler is very new however so you might encounter other issues when using it. Please report issues to our bugzilla. The GStreamer applications we ship all check for both gstreamer-0.6, gstreamer-libs-0.6 and gstreamer-play-0.6; if those aren't found the 0.7 version of those files are checked for. We suggest anyone making GStreamer-based apps do the same. We are starting to have a really nice collection of applications under development using GStreamer. If you are looking for something specific check out our applications status page: http://www.gstreamer.net/status/?category=2 Features * Pipeline based media architecture * Over 130 plugins * All parts interchangeable * Few dependencies, only glib, popt and libxml for core (libxml optional) * Python Language bindings * Good documentation * Will be widely deployed through bundling with GNOME 2.2 * Design catering also for applications needing low-latency * Highly portable, already running on most mainstream CPU's * Modular design and use of 3rd party best of breed libraries means no bloat * LGPL licensing lays no restrictions on application developers licensing. * Easy for applications to ship their own plugins to the core as needed * Compiles with both GCC and Forte compilers * Tested to run on Linux, FreeBSD and Solaris GStreamer Homepage More details on these features can be found on the project's website, http://gstreamer.net/. Download and build instructions: http://www.gstreamer.net/releases/0.6.0/ Support and Bugs We use Gnome's Bugzilla (http://bugzilla.gnome.org) for bug reports and feature requests. The "product name" is GStreamer (capital G). Please do the following before writing a bug report : gst-feedback &> feedback 2>&1 and attach the file "feedback" to your bug report, so that we have some information useful in the debugging process. Developers GStreamer is hosted on SourceForge. All code is in CVS and can be checked out from there. Interested developers of the core library, plug-ins, and applications should subscribe to the gstreamer-devel list. If there is sufficient interest we will create more lists as necessary. We are still looking for people with access to FreeBSD, Solaris, HP-UX, Irix and True64 that would be willing to try building and testing GStreamer. Patches fixing such problems are also more than welcome. Contributors to this release Patches to the core of Gstreamer * Wim Taymans <wim.taymans(AT)chello.be> * Erik Walthinsen <omega(AT)temple-baptist.com> * Thomas Vander Stichele <thomas(AT)apestaart.org> * David I. Lehn <dlehn(AT)vt.edu> * David Schleef <ds(AT)schleef.org> * Brian Cameron <brian.cameron(AT)sun.com> * Joshua N Pritikin <vishnu(AT)pobox.com> Plugins and Sample Applications * Julien MOUTTE <jmoutte(AT)electronic-group.com> * Cameron Hutchison <camh+gst(AT)xdna.net> * Ronald Bultje <rbultje(AT)ronald.bitfreak.net> * Steve Baker <stevebaker_org(AT)yahoo.co.uk> * Iain Holmes <iain(AT)prettypeople.org> * Jérémy Simon <jsimon13(AT)yahoo.fr> * Jan Schmidt <thaytan(AT)mad.scientist.com> * Daniel Fischer <dan(AT)f3c.com> * Martin Schlemmer <azarah(AT)gentoo.org> * Andrew Turner <zombie(AT)4free.co.nz> * Owen Fraser-Green <owen(AT)discobabe.net> * Leif Morgan Johnson <lmjohns3(AT)eos.ncsu.edu> * Benjamin Otte <in7y118(AT)public.uni-hamburg.de> Misc * Christian Fredrik Kalager Schaller <Uraeus(AT)gnome.org> * Alp Toker <alp(AT)atoker.com> [*]: GStreamer is Hottest Pick in the UK Linux Format #36, out now !

21 years, 9 months

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Linux-audio-announce