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Improving MIDI-audio alignment with acoustic features

Johanna Devaney; Michael I. Mandel; Daniel P. W. Ellis

Title:
Improving MIDI-audio alignment with acoustic features
Author(s):
Devaney, Johanna
Mandel, Michael I.
Ellis, Daniel P. W.
Date:
Type:
Articles
Department:
Electrical Engineering
Permanent URL:
Book/Journal Title:
2009 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, October 18-21, 2009, Mohonk Mountain House, New Paltz, NY, USA
Publisher:
IEEE
Publisher Location:
Piscataway, N.J.
Abstract:
This paper describes a technique to improve the accuracy of dynamic time warping-based MIDI-audio alignment. The technique implements a hidden Markov model that uses aperiodicity and power estimates from the signal as observations and the results of a dynamic time warping alignment as a prior. In addition to improving the overall alignment, this technique also identifies the transient and steady state sections of the note. This information is important for describing various aspects of a musical performance, including both pitch and rhythm.
Subject(s):
Electrical engineering
Applied mathematics
Publisher DOI:
http://dx.doi.org/10.1109/ASPAA.2009.5346500
Item views:
44
Metadata:
text | xml

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