Recent Posts

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Host Forum: Sonic Visualiser / portability of image files in SV
« Last post by rshill05 on January 11, 2015, 12:45:46 »
I use small .png image files of snippets of score to link to time instants, which is extremely useful for displaying tempo changes in association with the place in the score.

I need to transfer my work from my desktop to a laptop, but find that the image files as they get imported into SV always have a drive letter at the beginning, that becomes part of the address.  So even when I put all relevant files on an SD card on the desktop, the images will then have the drive letter from the desktop SD drive written into their address, so that when I try to load them up on the laptop, their address is not recognized, even though all relevant files are in the same directory.

Is there a way to edit the image file address so that they will load up like the other annotation layers in the same directory?  In other words, to make the drive that they are located on a non-specific piece of information.

Getting and Using Vamp Plugins / Trouble correcting file path for plugins
« Last post by avisser on December 08, 2014, 10:34:51 »
like others, having trouble with file paths, read 2 books, believe I've found problem, but need help fixing. My current filepath is- home/al/vamp/vamp-aubio-plugins-0.4.0-amd64-linux      tried to mv plugins to vamp, didnt work,   noticed I have al in pathname,tried to make new path without it, didnt work     noticed my home is not HOME, like directions, was not able to make new HOME path.    I realize new people can be frustrating to teach, but I have done all the trial and error I can think of , and would be very thankful for some help.
Getting and Using Vamp Plugins / Detection function for aubio onset detection
« Last post by manojpamk on November 12, 2014, 18:39:17 »
Hi all

I have been using the aubio onset detection plugin for quite some time now. (source : ). The plugins output the onset time for different algorithms. I would like to know where can I find the plugins that would output the "detection functions". The source code for the plugins are preferred.

I discovered the 32-bit equivalent library, but cannot locate the source..  :-\

The source for the original plugins (without the detection function output) is available here :
I have raised an issue about the above problem :

Host Forum: Sonic Visualiser / Possible dependancy problems in Windows?
« Last post by Notis Funn on November 03, 2014, 09:40:46 »
I have Sonic installed on both XP and Windows 7. I receive an error message in both cases upon exiting the program. Windows XP will actually notify me, in the details, that the problem has something to do with libpthreads. Looking this up on the internet I found pthreads had to do with a Posix system, and Windows, since XP, has moved on to a Unix based system. I was wondering if there is some dependency I'm missing such as a C++ library, or Net Framework 1.1. I had looked on this forum at some of the crash reports but nothing seemed to fit my case, but I hope some of this information will help resolve some of these issues. The Sonic Visualizer is operable on my systems so that I can use it, but I guess I am just a perfectionist after all.
Plugin Development / qm-dsp and qm-vamp-plugins for Fedora
« Last post by valtri on November 01, 2014, 13:52:08 »

I'm packaging qm-dsp and qm-vamp-plugins for Fedora and EPEL (the review requests are here:,

You can consider applying these patches used for Fedora (ported to the latest development version):

Also license texts in qm-dsp/qm-vamp-plugins can be updated - the bearded guy changed the address. The latest GPL 2.0 license text is here:

Plugin Development / Vamp Plugins and Audacity
« Last post by cpsmusic on October 29, 2014, 22:54:54 »

I work as an audio editor and use Audacity quite a bit in my work. I also have a background in C/C++ software development.

I'd like to try developing some plugins using Vamp however I'm a bit unclear as to how Vamp interacts with Audacity in displaying plugin output. Is this explained anywhere?


Plugin and Host Announcements / Vamp Tempogram Plugin
« Last post by cannam on October 16, 2014, 14:21:35 »
Version 1.0 of a new Tempogram plugin is now available.

This is an implementation of the tempogram and cyclic tempogram
features described in Grosche, Müller, and Kurth 2010, providing a
robust mid-level representation that encodes local tempo information.

The plugin was written by Carl Bussey at Queen Mary University of
London, and is published under the GNU General Public License.

for downloads and more information.

Plugin and Host Announcements / Sonic Annotator v1.1 now available
« Last post by cannam on October 16, 2014, 12:44:45 »
Sonic Annotator is a utility program for batch feature extraction from audio files.  It runs Vamp audio analysis plugins with specified parameters on audio files, and writes the result features in a selection of formats.

Version 1.1 is now available. This is a major feature release. Changes include:

Front-end changes:

 - Add support for the start time and duration properties of a transform, applying a plugin to only a range of the input audio
 - Reduce the internal processing blocksize from 16384 to 1024 samples to reduce extent of time rounding at end of file or range
 - Add --multiplex option to compose multiple audio files into a single multi-channel stream with one input file per channel
 - Add --normalise to request each audio file be normalised to 1.0 max
 - Add support for the plugin_version property of a transform, causing Sonic Annotator to refuse to run with the wrong version of a plugin
 - Add --minversion option to permit scripts to check that the version of Sonic Annotator is as they expect
 - Add new housekeeping options to list the available feature writers and supported audio file formats
 - Pull out the feature-writer-specific help text into separate help options (-h <writertype>) as the help was getting too long

Back-end (feature writer) changes:

 - Add --csv-omit-filename, --csv-end-times, and --csv-fill-ends options to the CSV feature writer to adjust various aspects of its output
 - Add "json" feature writer, exporting to JAMS (JSON Annotated Music Specification) format. This writer is provisional and is expected to change in future releases to comply more effectively with the specification
 - Add "midi" feature writer, exporting to MIDI files
 - Add "lab" feature writer, exporting to tab-separated label files. (This is equivalent to using the CSV writer with a tab separator and the new --csv-omit-filename and --csv-end-times options, but it's simpler to use if .lab is what you want)

Bug fixes:

 - Fix the former habit of forging ahead even if not all transform files could be found or parsed (this may have been intentional behaviour but it is confusing more than it is useful)
 - Fix failure to support --summary-only flag when reading transforms with summaries from a transform file

Host Forum: Sonic Visualiser / Re: trojan in the exe-file
« Last post by Sound analyser on October 09, 2014, 19:14:20 »
Thank you for your quick response and for your help. I guess I'll change some settings in Panda.

S. A.
Host Forum: Sonic Visualiser / Re: trojan in the exe-file
« Last post by cannam on October 09, 2014, 14:24:37 »
I've sent a note to the Panda false-positives email address asking if they can look into this.

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