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Multi-Scale Frame-Based Analysis of Audio Signals for Musical Transcription Using a Dictionary of Chromatic Waveforms

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1 Author(s)
Derrien, O. ; STD-ISITV, Toulon Univ., La Valette du Var

A new method for analyzing audio signals in the context of musical transcription is described. It consists of a frame-based expansion of the signal over a multi-scale time-frequency dictionary with a set of logarithmic discrete frequencies. This method, based on the matching pursuit algorithm, provides the same frequency resolution as a constant-Q filter-bank, but with a better time resolution, especially in low frequencies, and an efficient noise rejection

Published in:

Acoustics, Speech and Signal Processing, 2006. ICASSP 2006 Proceedings. 2006 IEEE International Conference on  (Volume:5 )

Date of Conference:

14-19 May 2006