Underdetermined Instantaneous Audio Source Separation via Local Gaussian Modeling

@inproceedings{Vincent2009UnderdeterminedIA,
  title={Underdetermined Instantaneous Audio Source Separation via Local Gaussian Modeling},
  author={Emmanuel Vincent and Simon Arberet and R{\'e}mi Gribonval},
  booktitle={ICA},
  year={2009}
}
Underdetermined source separation is often carried out by modeling time-frequency source coefficients via a fixed sparse prior. This approach fails when the number of active sources in one time-frequency bin is larger than the number of channels or when active sources lie on both sides of an inactive source. In this article, we partially address these issues by modeling time-frequency source coefficients via Gaussian priors with free variances. We study the resulting maximum likelihood… CONTINUE READING
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