Separation of harmonic sounds using linear models for the overtone series

@article{Virtanen2002SeparationOH,
  title={Separation of harmonic sounds using linear models for the overtone series},
  author={Tuomas Virtanen and Anssi Klapuri},
  journal={2002 IEEE International Conference on Acoustics, Speech, and Signal Processing},
  year={2002},
  volume={2},
  pages={II-1757-II-1760}
}
A signal processing method is described, which separates harmonic sounds by applying linear models for the overtone series of sounds. Time-varying sinusoidal parameters are estimated in an iterative algorithm which is initialized using a multipitch estimator that finds the number of concurrent sounds and their frequency components. The iterative process then improves the estimates using the least-squares criterion. The harmonic stucture is retained by keeping the frequency ratio of overtones… CONTINUE READING
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