Object-Based Sound Source Modeling for Musical Signals
Tero Tolonen · 2000
This study presents a framework for audio and music processing which consists of an analysis and a synthesis path that are connected at three representational levels. Auditory signal analysis techniques include a multi-pitch analysis model, an eventdetector, and sinusoidal modeling that are combined in an iterative sound separation system. Techniques are presented for detection of perceptually relevant features, such as inharmonicity, vibrato, and decay characteristic, from polyphonic mixtures of harmonic sounds. The integration of the analysis and synthesis parts is demonstrated with examples where two-voice acoustic guitar signals are analyzed into an object-based representation and resynthesized using sound source models. 0