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- W2165544306 abstract "A novel approach is developed for efficient and accurate tracking of vocal tract resonances, which are natural frequencies of the resonator from larynx to lips, in fluent speech. The tracking algorithm is based on a version of the structured speech model consisting of continuous-valued hidden dynamics and a piecewise-linearized prediction function from resonance frequencies and bandwidths to LPC cepstra. We present details of the piecewise linearization design process and an adaptive training technique for the parameters that characterize the prediction residuals. An iterative tracking algorithm is described and evaluated that embeds both the prediction-residual training and the piecewise linearization design in an adaptive Kalman filtering framework. Experiments on tracking vocal tract resonances in Switchboard speech data demonstrate high accuracy in the results, as well as the effectiveness of residual training embedded in the algorithm. Our approach differs from traditional formant trackers in that it provides meaningful results even during consonantal closures when the supra-laryngeal source may cause no spectral prominences in speech acoustics." @default.
- W2165544306 created "2016-06-24" @default.
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- W2165544306 date "2004-09-28" @default.
- W2165544306 modified "2023-10-18" @default.
- W2165544306 title "A structured speech model with continuous hidden dynamics and prediction-residual training for tracking vocal tract resonances" @default.
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- W2165544306 doi "https://doi.org/10.1109/icassp.2004.1326046" @default.
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