Simon Dixon

Research interests: music informatics, automatic transcription, beat tracking, audio alignment, etc

Queen Mary, University of London

Analysis of Interactive Intonation in Unaccompanied SATB Ensembles (Manager, 2017-07-10)
Audio Features Ontology revision (old) (Manager, 2012-02-27)
BeatRoot (Manager, 2010-10-05)
BeatRoot Vamp Plugin (Manager, 2011-10-06)
C4DM Sustainable Research Data (Manager, 2011-09-09)
Digital Music Lab: Open Repositories (Developer, Reporter, 2016-02-09)
dml-open-backendtools (Developer, Reporter, 2016-02-09)
dml-open-vis (Developer, Reporter, 2016-02-09)
DML Server Home directory (Developer, Reporter, 2015-01-18)
dtl-dml-cliopatria (Manager, 2018-07-02)
dtl-dml-home (Manager, 2018-07-02)
FAST IMPACt (Manager, 2015-04-27)
Intonation Trajectories Within Tones in Unaccompanied SATB Singing (Manager, 2019-01-14)
ISMIR and DAFx Tutorials 2012 (Manager, 2012-03-08)
Kern Scores (UTF8 encoded) (Developer, Reporter, 2015-01-16)
MATCH (Manager, 2010-10-05)
MATCH Vamp Plugin (Manager, 2010-10-06)
Pitch Accuracy and Interaction in Unaccompanied Duet Singing (Manager, Developer, 2017-02-21)
pYIN — pitch and note tracking in monophonic audio (Manager, 2013-11-04)
Resources for "Analysis of Intonation Trajectories in Solo Singing" (Manager, 2015-07-14)
Score-informed piano transcription (Manager, 2014-11-13)
Score-informed Piano Transcription Dataset (Manager, 2017-05-24)
Segmentino (Reporter, 2013-06-18)
Sound Data Management Training (Manager, 2012-06-07)
SoundSoftware Project (Manager, 2012-10-03)
SWORD Uploader (Developer, 2012-03-27)
Tony: a tool for melody transcription (Reporter, 2013-12-04)

Simon Dixon. Live Tracking of Musical Performances Using On-Line Time Warping (2005)

Simon Dixon, Gerhard Widmer. MATCH: A Music Alignment Tool Chest (2005)

Simon Dixon. Automatic Extraction of Tempo and Beat from Expressive Performances (2001)

Simon Dixon. Onset Detection Revisited (2006)

Simon Dixon. An Interactive Beat Tracking and Visualisation System (2001)

Simon Dixon. MIREX 2006 Audio Beat Tracking Evaluation: BeatRoot (2006)

Simon Dixon. Evaluation of the Audio Beat Tracking System BeatRoot (2007)

Matthias Mauch, Simon Dixon. Approximate Note Transcription for the Improved Identification of Difficult Chords (2010)

Holger Kirchhoff, Simon Dixon, Anssi Klapuri. Multi-Template Shift-Variant Non-Negative Matrix Deconvolution for Semi-Automatic Music Transcription (2012)

Holger Kirchhoff, Simon Dixon, Anssi Klapuri. Shift-variant non-negative matrix deconvolution for music transcription (2012)

Reported issues: 6

06:44 PM Tony: a tool for melody transcription Feature #1023 (Closed): Info (sample rate, file name, etc) obscures waveform: An annoyance when annotating hundreds of files at high speed is needing to scroll to see the waveform because it is o...

11:17 PM Tony: a tool for melody transcription Bug #1018: Core dump: during deletion of a segment (note and pitch track): Another crash, this time a seg fault when I was editing or perhaps trying to save:
Console output:
Adding model S...

10:39 PM Tony: a tool for melody transcription Bug #1018: Core dump: during deletion of a segment (note and pitch track): (gdb) where
#0 0x00007ffff2318c39 in raise () from /lib64/libc.so.6
#1 0x00007ffff231a348 in abort () from /lib64...
10:33 PM Tony: a tool for melody transcription Bug #1018: Core dump: during deletion of a segment (note and pitch track): *** HOW TO REPRODUCE THE CRASH ***
With cursor at t=0, load the file mentioned above (erg*-10-55-03*.mp3) and pres...
10:23 PM Tony: a tool for melody transcription Bug #1018: Core dump: during deletion of a segment (note and pitch track): Another crash, this time with more debug info on the console:
ActivityLog: Import audio file "/home/simon/intonati...

09:46 PM Tony: a tool for melody transcription Bug #1019 (Closed): Incorrect update notification: A message like "You are using 0.1 but 0.6 is available" appears at startup, although I pulled and built the latest ve...
09:41 PM Tony: a tool for melody transcription Bug #1018 (New): Core dump: during deletion of a segment (note and pitch track): This time I was using Tony when it crashed. I had selected a bunch of notes (no more than 5 sec) and pressed ctrl-bks...
10:02 AM Tony: a tool for melody transcription Bug #1017: Normalisation has negative effect if there is e.g. a loud click in file: Actually I don't think normalisation makes things worse, but it doesn't work as needed. I think we need to consider ...

10:30 PM Tony: a tool for melody transcription Bug #1017 (New): Normalisation has negative effect if there is e.g. a loud click in file: Try loading for example dou*-09-55-01-*mp3

05:02 PM Tony: a tool for melody transcription Feature #1012 (New): Can't add annotations after end of audio: It would be useful to be able to add annotations of non-existing audio events (ghost notes, i.e. notes which should h...

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