Résumé |
Sinusoidal+Residual analysis/synthesis models have been developed for
music applications. They have been very successful and are already
found in commercial and experimental tools used by musicians as well
as researchers. In this paper, we present the principles of this now
classical model. However, the standard version of the model suffers
from limitations in various cases. We discuss some improvements of
the standard method designed in order to overcome these difficulties.
We then present and compare other analysis techniques which use
Elementary Waveforms, i.e. waveforms localised both on the
frequency and the time axis. In particular, the High Resolution
Matching Pursuit algorithm is proposed as a potentially successful new
direction of research. Applied Signal Pocessing
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