Polyphonic Pitch Tracking Using Joint Bayesian Estimation of Multiple Frame Parameters

  title={Polyphonic Pitch Tracking Using Joint Bayesian Estimation of Multiple Frame Parameters},
  author={Paul J. Walmsley and Simon J. Godsill and Peter J. W. Rayner},
We presenta novel approachto pitch estimationand note detection in polyphonicaudio signals. We posethe problemin a Bayesianprobabilisticframework, which allows usto incorporate prior knowledgeaboutthenatureof musicaldatainto themodel. Weexploit thehighcorrelationbetweenmodelparametersin adjacentframesof databy explicitly modellingthefrequency variation over time usinglatentvariables.Parametersareestimatedjointly acrossa numberof adjacentframesto increasethe robustnessof the… CONTINUE READING
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