Nonlinear filtering for speaker tracking in noisy and reverberant environments

  title={Nonlinear filtering for speaker tracking in noisy and reverberant environments},
  author={Jaco Vermaak and Andrew Blake},
This paper addresses the problem of speaker tracking in a noisy and reverberant environment using time delay of arrival (TDOA) measurements at spatially distributed microphone pairs. The tracking problem is posed within a state-space estimation framework, and models are developed for the speaker motion and the likelihood of the speaker location in the light of the TDOA measurements. The resulting state-space model is non-linear and nonGaussian, and consequently no closed-form solutions exist… CONTINUE READING
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