Linux-audio-announce

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[ANN] Sonic Visualiser v1.3 now available!

by Chris Cannam

Sonic Visualiser is an application for inspecting and analysing the contents of music audio files. It combines powerful waveform and spectral visualisation tools with automated feature extraction plugins and annotation capabilities. Version 1.3 of Sonic Visualiser is now available. http://www.sonicvisualiser.org/ This is a feature release, containing several new features and a number of bug fixes over the previous 1.2 release. For more details, please read the release notes at http://sourceforge.net/project/shownotes.php?release_id=612594 Sonic Visualiser contains advanced waveform and spectrogram viewers, as well as editors for many sorts of audio annotations. Besides visualisation, it can make and play selections based on the locations of automatically detected features, seamlessly loop playback of single or multiple noncontiguous regions, synthesise annotations for playback, slow down playback while retaining display synchronisation, and show the ongoing alignment in time between multiple recordings of a piece with different timings. Sonic Visualiser supports the Vamp plugin API for plugins that extract descriptive or analytical data from audio. Vamp plugins for onset, pitch and note detection, tempo tracking, chromagram analysis, constant-Q spectrogram, spectral centroid, power curve, key estimation, tonal change detection, harmonic spectrogram, structural segmentation, timbral similarity, audio alignment calculation and a large number of low-level spectral features are available. There is also a comprehensive SDK for use by developers of Vamp plugins and hosts. For more information about Vamp plugins, please see: http://www.vamp-plugins.org/ Sonic Visualiser was developed at the Centre for Digital Music, Queen Mary, University of London: http://www.elec.qmul.ac.uk/digitalmusic/ Sonic Visualiser is Free Software distributed under the GNU General Public License. The 1.3 release is available now in source code form or as binaries for Linux, OS/X, and Windows. Chris

17 years, 5 months

[ANN] Vamp plugin SDK v1.3 now available

by Chris Cannam

Version 1.3 of the Vamp plugin SDK is now available. http://www.vamp-plugins.org/ Vamp is a plugin API for audio analysis and feature extraction plugins written in C or C++. Its SDK features an easy-to-use set of C++ classes for plugin and host developers, a reference host implementation, example plugins, and documentation. It is supported across Linux, OS/X and Windows. Version 1.3 is a maintenance release, with several bugfixes (almost all of which only affect hosts, not plugins) and no new features. Changes since 1.2: * PluginBufferingAdapter has several important fixes to bugs that could cause incorrect timings or output descriptors to be returned * Conversion between real-time and frames has been improved to avoid rounding error in round-trip calculations * Plugin lookup no longer relies on non-portable DT_REG * The SDK now compiles with gcc 4.3 (knowing my luck it probably won't, but it's supposed to) Plugins and hosts remain binary compatible with those built using the 1.0 version of the SDK. Chris

17 years, 5 months

Rubber Band v1.2 available

by Chris Cannam

Rubber Band is an audio time-stretching and pitch-shifting library and utility designed for musical applications. http://www.breakfastquay.com/rubberband/ It includes a library that supports a sample-accurate multithreaded offline mode and a real-time lock-free streaming mode; a command-line utility program; and a LADSPA pitch-shifter plugin. Version 1.2 is faster in most situations, better sounding in many, and less potentially subject to patent claims than version 1.0.1 was. Rubber Band is Free Software under the GNU GPL. Chris

17 years, 5 months

[ANN] jack_capture V0.9.19, Snd-ls V0.9.8.17 and Rollendurcmesserzeitsammler V0.0.4

by Kjetil S. Matheussen

Download from: http://old.notam02.no/arkiv/src/?M=D jack_capture ============ jack_capture is a program for recording soundfiles with jack. Its default operation is to capture whatever sound is going out to your speakers into a file. (But it can do a number of other operations as well...) Changes 0.9.17 -> 0.9.19: *Do not accept filename starting with "-" when filename is last argument. *Added the "--filename"/"-fn" option to set filename not as the last argument. Can also contain "-" as first character. *Fixed colors a bit and removed a superfluous linebreak. *Fixed segfault for missing values in commandline. *Manually clear allocated memory instead of using calloc. *Removed buffer-info line when recording to stdout. *Removed printing of "continue recording" when writing the last overruns. *Niceify the disk writing thread to -20 when more than half the buffer is used. *Continously show buffer usage, total number of overruns and whether the disk thread has high priority, in the console. Turn off by using the -hdu option. *Added option -dc to disable console update. (same as "-dm -hdu") *Fancier colors. *Removed "hepp". *Made dB meter the default and replaced the -dB option with the -lm option. *Made the console meter wider to fit the info line at the bottom. Snd-ls ====== Snd-ls is a distribution of Bill Schottstaedt's sound editor SND. (http://ccrma.stanford.edu/software/snd/) Its target is people that don't know scheme very well, and don't want to spend too much time configuring Snd. It can also serve as a quick introduction to Snd and how it can be set up. Snd-ls also serves as base code for the San-Dysth softsynth (http://www.notam02.no/~kjetism/sandysth/) and the Snd-rt music programming language (http://www.notam02.no/arkiv/doc/snd-rt) Changes 0.9.8.16 -> 0.9.8.17: *(read-enable 'positions) has been wrongfully turned off for some time. Bactrace should work again now. (This only affects people using snd-ls for programming.) Rollendurchmesserzeitsammler ============================ The Audio Rollendurchmesserzeitsammler is a conservative garbage collector providing general ways to efficiently allocate and use memory inside a realtime audio thread without having to manually free it later. Changes 0.0.1 -> 0.0.4 * Added support for iterior pointers. (Pointers which points inside middle of allocated memory). Turned out Stalin depended on this, plus that c compiler are free to store pointers in registers and stack however they want, so it's better to be safe. * Fixed header. * Made it packagable. Write make and make install to install library file and header files. * Added the function tar_get_dynamic_roots_for(char *pointer,char **start,char **end). This function requires the source for HBGC: http://www.hpl.hp.com/personal/Hans_Boehm/gc/ * Note that there are ways to increase the execution speed significantly, I just haven't had the time yet, so this update doesn't contain all the changes I wished for.

17 years, 5 months

rakarrack 0.2.0 is released

by holborn

Hi rakarrack 0.2.0 is released Changes: New Effects: Intelligent Harmonizer ( see http://rakarrack.wiki.sourceforge.net/Harmonizer for details ) Musical Delay (see http://rakarrack.wiki.sourceforge.net/Musical+Delay for details) Cabinet Emulation using the ZynAddSubFx EQ engine. WahWah adapted from ZynaddSubFx Dynamic Filter Alienwah adapted from ZynaddSubFx AlienWah AutoPan NoiseGate based on the Steve Harris ladspa gate plugin. - New widgets - RGB Selection Color - More MIDI controllable parameters - Jack autoconnection selectable - New Presets - minor bugs fixed http://rakarrack.sourceforge.net Thanks Josep

17 years, 5 months

Rivendell v1.0.0rc2

by Fred Gleason

On behalf of the entire Rivendell development team, I'm pleased to announce the release of Rivendell v1.0.0rc2. Rivendell is a full-featured radio automation system targeted for use in professional broadcast environments. It is available under the GNU General Public License. Changes in this release include (from the NEWS file): *** snip snip *** Changes: AMB-OS AMR-100 Receiver Support. Support has been added for importing the 'Native MP2' format files generated by the Westport Communications AMR-100 satellite receiver used by the AMB-OS system. RDDbCheck Enhancements. Added a check for orphaned database tables to RDDbCheck. Timescaling Fixes. A bug has been fixed that affected the precision of timescaling parameters when applied to long-form programs. Temp File Cleanup. A bug has been fixed that was causing temporary files to be left behind after manually posting audio to a podcast feed. Database Update: This version of Rivendell uses database schema version 159, and will automatically upgrade any earlier versions. To see the current schema version prior to upgrade, see RDAdmin->SystemInfo. As always, be sure to run RDAdmin immediately after upgrading to allow any necessary changes to the database schema to be applied. *** snip snip *** Further information, screenshots and download links are available at: http://www.rivendellaudio.org/ Cheers! |-------------------------------------------------------------------------| | Frederick F. Gleason, Jr. | Chief Developer | | | Paravel Systems | |-------------------------------------------------------------------------| | Be bold, and don't fear failure. Treat failure as a blessing, | | because mediocre goals are poison. | | -- Dan Goldin | |-------------------------------------------------------------------------|

17 years, 5 months

SLV2 0.6.0

by Dave Robillard

SLV2 is a library to make the use of LV2 plugins as simple as possible for applications. Changes this release: - Reworked API to be more future-proof and support plugin ports of various types (e.g. not just float ala LADSPA). - Various performance improvements (extreme improvements with a recent enough version of redland/librdf) - Support for 'scale points' (e.g. combo box ports) - Support plugins with binaries in locations other than the top level of the plugin bundle - Support for new generic LV2 events (replaces old MIDI) in bundled hosts - Several bug fixes - Other things I forget Upgrading (and, for developers, updating code to the new API) strongly recommended. Source available at http://drobilla.net/software/slv2 Packages for amd64 Debian unstable are available, for details see: http://wiki.drobilla.net/Debian Enjoy, -Dave Robillard

17 years, 5 months

Patchage 0.4.1

by Dave Robillard

Patchage is a graphical modular patch bay for audio/MIDI systems based on JACK, LASH, and ALSA. This release fixes several bugs, and adds support for the new Jack D-Bus control interface. Two libraries which Patchage depends on are also released in parallel: raul 0.5.0 and flowcanvas 0.5.0. Upgrading is recommended. More information, screenshot, downloads, etc. available at: http://drobilla.net/software/patchage http://drobilla.net/software/raul http://drobilla.net/software/flowcanvas Packages for all 3 projects are available for amd64 Debian unstable, for details see: http://wiki.drobilla.net/Debian Enjoy, -Dave Robillard

17 years, 5 months

[ANN] jack_capture V0.9.17

by Kjetil S. Matheussen

jack_capture ============ jack_capture is a program for recording soundfiles with jack. It's default operation is to capture whatever sound is going out to your speakers into a file, but it can do a number of other operations as well. Normal URL: http://www.notam02.no/arkiv/src/?M=D Note that the above link doesn't seem to currently work because of something which seems to be www upgrade at Notam. But this link does seem to work for now: http://old.notam02.no/arkiv/src/?M=D 0.9.10 -> 0.9.17: ----------------- *Made sure the process thread won't continue sending data when jack_capture is told to quit. This led to a race conditions when recording too many channels at once (which was 256 channels on my machine). *Added the jack_capture_gui script, based on code by Svend-Erik Kjær Madsen's. *Replaced sh by bash to make it work in ubuntu. *Fixed exact port name match and gen_setformat. Thanks to Gabriel J.L. Beckers for reporting the bugs. *Increased the time the console meter is displayed in red from 50ms to 2000ms. (when the recorded jack value is equal to or higher than 1.0.) *Added the -dBr argument to specify reference level when using the console dB meter. *Added the -mr argument to specify reference level when using the meterbridge meter. *Added peak indicators to the console meter. Code to do so taken from meterbridge by Steve Harris. *Updated --help and README with the new options. *Added option "-mt" to change meterbridge type. Current valid options are vu (default), ppm, dpm, jf or sco. It's not necesarry to specify "-mb" if using "-mt". *Added option "-dB" to get a dB meter for the console meter. *Added examples how to record ogg and mp3 files using the -ws option. *Decreased default buffersize from 60 to 20 seconds. (I even had trouble provocing underruns using a minimal 0.05 seconds long buffer, so 60 seconds was obviously overkill) *Fixed message and error printing to stderr when vu meter is running.

17 years, 5 months

piksel08 - code dreams :: open call

by 220hex

<<<<<<<<>>>>>>>> **Piksel08: code dreams december 4-7 2008 Bergen, Norway How does code dream? What are the dreams of code? Piksel08 examines the other side of code, an alternative side to a hard-coded reality of work and play. Open hardware and free software project a utopic vision, yet exist within economies of capital, the dream factory of mainstream technology. Within the chance meeting of sewing machine and umbrella on the dissecting table, hardware and software are flattened. Piksel08: code dreams explores the dreams of this soft machine; bachelors coding for pleasure, reverse engineering paranoiac constructs of the real, automatic coding practice, soft hardware, and everyday magic. <<<<<<<<>>>>>>>> **open call: 1. Installations Projects related to the code dreams theme including but not restricted to: reverse engineering, soft hardware, code poetry, novel instruction sets, invisible exploration, ghosted computation... programmed by and running on free and open source software and/or open/DIY hardware. 2. Audiovisual performance Live art realised by the use of free and open source software. We specially encourage live coding and DIY hardware projects to apply. 3. Software/Hardware Innovative DIY hardware and audiovisual software tools or software art released under an open licence. <<<<<< Deadline - august 15. 2008 >>>>>> Please use the online submit form at: http://piksel.no/piksel08/subform.html or send documentation material - preferably as a URL to online documentation with images/video to piksel08 [AT] piksel [DOT] no <<<<<<<<>>>>>>>> **subsections: **real code real.co.[de][re] actively explores code which has strong effects on the real, constructing the world through prediction and description. The twelve hour real.co.[de][re] session will attempt the active construction of a working code model (of any form) which addresses a flattening of the distinction between software and hardware, to resolve a new political reference for real core code. **abstract code Abstract code is software whose results can be invisible, a software implementing different layers of action at the same time. Abstract code is a connection to parallel worlds, a poetic formula dealing with outer forces. Code is art, its action is subtile, effective, magic. procedural text maledictions, oracles, iambi, hymn, formula, refrains, hypnotic sentences, prayers, and other. <<<<<<<<>>>>>>>> Piksel is supported by the Municipality of Bergen, Arts Council Norway, Vestnorsk Filmsenter, Hordaland County Council and others. More info: http://piksel.no ---

17 years, 6 months

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Linux-audio-announce