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A MAP Approach to Noise Compensation of Speech

Authors
  • Garner, Philip N.
Publication Date
Jan 01, 2009
Source
Infoscience @ EPFL
License
Unknown
External links

Abstract

We show that estimation of parameters for the popular Gaussian model of speech in noise can be regularised in a Bayesian sense by use of simple prior distributions. For two example prior distributions, we show that the marginal distribution of the uncorrupted speech is non-Gaussian, but the parameter estimates themselves have tractable solutions. Speech recognition experiments serve to suggest values for hyper-parameters, and demonstrate that the theory is practically applicable.

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