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Topics - cannam

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61
Host Forum: Sonic Visualiser / EPSRC press release about Sonic Visualiser
« on: March 06, 2009, 17:10:46 »

I see the EPSRC website (one of the funding bodies responsible for Sonic Visualiser) has a new press release about the program, in connection with their recent Pioneers exhibition showcasing a number of EPSRC-funded projects.  It's a bit breathless, as press releases often are, but here we go:

    http://www.epsrc.ac.uk/PressReleases/digitalmusic.htm


Chris

62
Getting and Using Vamp Plugins / MOVED: DSP Application for Vamp
« on: March 06, 2009, 16:52:26 »
This topic has been moved to Plugin Development.

http://vamp-plugins.org/forum/index.php?topic=63.0

63
Getting and Using Vamp Plugins / MOVED: Coding in Vamp and Compiling it..
« on: March 06, 2009, 16:52:06 »
This topic has been moved to Plugin Development.

http://vamp-plugins.org/forum/index.php?topic=61.0

64
Getting and Using Vamp Plugins / MOVED: build new dll from the example
« on: March 06, 2009, 16:51:42 »
This topic has been moved to Plugin Development.

http://vamp-plugins.org/forum/index.php?topic=50.0

65
Getting and Using Vamp Plugins / MOVED: unresolved symbol errors while linking vamp plugin
« on: March 06, 2009, 16:51:03 »
This topic has been moved to Plugin Development.

http://vamp-plugins.org/forum/index.php?topic=67.0

66
Plugin and Host Announcements / Sonic Annotator - a batch utility for audio feature extraction
« on: December 12, 2008, 11:49:48 »
Sonic Annotator is a utility program for batch feature extraction from audio
files.  It runs Vamp audio analysis plugins on audio files and can write the
result features in a selection of formats, in particular as RDF using the
Audio Features and Event ontologies.

A somewhat experimental first public release (0.1) is now available.

For more details and for downloads, please see

  http://www.omras2.org/SonicAnnotator

Sonic Annotator was developed at the Centre for Digital Music, Queen Mary,
University of London.  It was funded by the EPSRC through the OMRAS2 project
and is Free Software published under the GNU General Public License.


Chris

67
Plugin and Host Announcements / Vamp libxtract plugins updated
« on: December 12, 2008, 11:29:26 »

The Vamp libxtract plugin set is a library of low-level feature extraction plugins using Jamie Bullock's libxtract library to provide around 50 spectral and other features.

See http://libxtract.sourceforge.net for more details about libxtract.

A new update of this plugin set (the 20081202 update) is available fixing a number of bugs in the plugins, following a review and user feedback.  This set should be more stable and useful than previously.  See http://www.vamp-plugins.org/download.html for source and binary downloads.


Chris

68
Plugin and Host Announcements / Sonic Visualiser v1.4 now available
« on: December 12, 2008, 11:25:50 »
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 1.4 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 1.3 release.  For more details, please read the release
notes at

   https://sourceforge.net/project/shownotes.php?release_id=646456

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.

Sonic Visualiser was developed at the Centre for Digital Music, Queen Mary,
University of London:

   http://www.elec.qmul.ac.uk/digitalmusic/

Ongoing work on Sonic Visualiser and audio feature representation in the
semantic web is carried out as part of the OMRAS2 project funded by the EPSRC. 
See

   http://omras2.org/

for more information.

Sonic Visualiser is Free Software distributed under the GNU General Public
License.  The 1.4 release is available now in source code form or as binaries
for Linux, OS/X, and Windows.


Chris

69
Plugin and Host Announcements / QM Vamp Plugins v1.5 now available
« on: December 12, 2008, 11:24:39 »
Version 1.5 of the QM Vamp Plugins -- a set of audio analysis plugins in the
Vamp plugin format, developed at the Centre for Digital Music at Queen Mary,
University of London -- is now available for download.

Plugins included are note onset detector, beat tracker, tempo estimator, key
estimator, tonal change detector, structural segmenter, timbral and rhythmic
similarity, chromagram, constant-Q spectrogram, and MFCC calculation.

This release focuses on reliability and performance improvements.

For downloads, please see:

 http://www.elec.qmul.ac.uk/digitalmusic/downloads/index.html#qm-vamp-plugins

The plugins are available in binary form only and may be freely used for any
purpose, and redistributed for non-commercial purposes only.  Supported
platforms are 32- and 64-bit Linux, 32-bit Windows, and OS/X 10.4 or newer
(Intel/PPC universal).

This release also features more substantial documentation than previously,
available at:

 http://www.vamp-plugins.org/plugin-doc/qm-vamp-plugins.html


Chris

70
Plugin Development / Vamp plugin SDK v2.0 now available
« on: December 12, 2008, 11:23:28 »
Vamp SDK version 2.0 is now available

Version 2.0 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.

A documentation guide to writing plugins using the Vamp SDK can be found at http://www.vamp-plugins.org/guide.pdf.

What's new in 2.0?

  • Each returned feature can now specify a proper duration as well as start time, value array, and label.
  • A new PluginSummarisingAdapter is provided in the host SDK, permitting hosts to easily obtain summary results such as averages based on a plugin's returned features.
  • An RDF ontology is provided for the description of Vamp plugin capabilities and configurations (see http://omras2.org/VampOntology).
  • The SDK libraries have been reorganised so as to draw a clearer distinction between plugin and host SDKs.
  • Better platform-specific build documentation is provided (in the build directory), particularly for MSVC builds which now also feature project files for the example plugins.
  • Two new example plugins have been added (Simple Power Spectrum and Fixed Tempo Estimator).
  • The command-line host provided now has an extra-informative plugin information listing option (--list-full).

Backward compatibility

A detailed compatibility statement is included in the SDK, but to summarise:

  • Plugins and hosts built with 1.x and 2.0 SDKs are mutually compatible.  You can load old plugins in new hosts and new plugins in old hosts.
  • Plugins written for 1.x can be compiled against 2.0 without modification.
  • Hosts written for 1.x will require some changes to #include directives, but most hosts should compile against 2.0 without other modifications.
  • Although the plugin binary interface is compatible with 1.x, the SDK libraries are not binary compatible with the 1.x libraries. Plugins and host code will need to be recompiled if they are to be updated to 2.0, not just re-linked.

Credits

This work was carried out at the Centre for Digital Music, Queen Mary, University of London.  It was funded by the EPSRC through the OMRAS2 project EP/E017614/1.  See http://omras2.org/ for more information.


Chris

71
Plugin and Host Announcements / Vamp plugin SDK v2.0 now available
« on: December 12, 2008, 10:38:16 »

Vamp SDK version 2.0 is now available

Version 2.0 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.

A documentation guide to writing plugins using the Vamp SDK can be found at http://www.vamp-plugins.org/guide.pdf.

What's new in 2.0?

  • Each returned feature can now specify a proper duration as well as start time, value array, and label.
  • A new PluginSummarisingAdapter is provided in the host SDK, permitting hosts to easily obtain summary results such as averages based on a plugin's returned features.
  • An RDF ontology is provided for the description of Vamp plugin capabilities and configurations (see http://omras2.org/VampOntology).
  • The SDK libraries have been reorganised so as to draw a clearer distinction between plugin and host SDKs.
  • Better platform-specific build documentation is provided (in the build directory), particularly for MSVC builds which now also feature project files for the example plugins.
  • Two new example plugins have been added (Simple Power Spectrum and Fixed Tempo Estimator).
  • The command-line host provided now has an extra-informative plugin information listing option (--list-full).

Backward compatibility

A detailed compatibility statement is included in the SDK, but to summarise:

  • Plugins and hosts built with 1.x and 2.0 SDKs are mutually compatible.  You can load old plugins in new hosts and new plugins in old hosts.
  • Plugins written for 1.x can be compiled against 2.0 without modification.
  • Hosts written for 1.x will require some changes to #include directives, but most hosts should compile against 2.0 without other modifications.
  • Although the plugin binary interface is compatible with 1.x, the SDK libraries are not binary compatible with the 1.x libraries. Plugins and host code will need to be recompiled if they are to be updated to 2.0, not just re-linked.

Credits

This work was carried out at the Centre for Digital Music, Queen Mary, University of London.  It was funded by the EPSRC through the OMRAS2 project EP/E017614/1.  See http://omras2.org/ for more information.


Chris

72
Plugin Development / MOVED: Exporting (some) extracted symbolic features/information as .mid
« on: October 14, 2008, 09:06:17 »
Just moving this one to the Sonic Visualiser board, as well, since it is about SV (at least, I think it is?) rather than generally about Vamp plugins.

http://vamp-plugins.org/forum/index.php?topic=47.0

73
Plugin and Host Announcements / Sonic Visualiser v1.3 now available!
« on: July 10, 2008, 14:48:58 »

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 also supports the
Vamp plugin API for plugins that extract descriptive or analytical
data from audio.
 
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

74
Plugin and Host Announcements / OnsetsDS note onset detection plugin now available
« on: July 09, 2008, 13:33:39 »

A Vamp plugin implementation of Dan Stowell's OnsetsDS note onset detector (see http://onsetsds.sourceforge.net/) is now available in source and binary form for OS/X, Linux, and Windows.

Please see http://vamp-plugins.org/download.html for download links, and http://onsetsds.sourceforge.net/ for more information about the library and techniques used.


Chris

75
Plugin and Host Announcements / Vamp plugin SDK v1.3 now available
« on: July 09, 2008, 13:31:10 »

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

Plugins and hosts remain binary compatible with those built using the
1.0 version of the SDK.


Chris

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