Speaker recognition using hidden Markov models, dynamic time warping and vector quantisation (1995)
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BibTeX
@MISC{Yu95speakerrecognition,
author = {Kin Yu and John Mason and John Oglesby},
title = {Speaker recognition using hidden Markov models, dynamic time warping and vector quantisation},
year = {1995}
}
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Abstract
This paper evaluates continuous density hidden Markov models (CDHMM), dynamic time warping (DTW) and distortionbased vector quantisation (VQ) for speaker recognition, emphasising the performance of each model structure across incremental amounts of training data. Text-independent (TI) experiments are performed with VQ and CDHMMs, and text-dependent (TD) experiments are performed with DTW, VQ and CDHMMs. We show for TI speaker recognition, VQ performs better than an equivalent CDHMM with one training version, but is outperformed by CDHMM when trained with ten training versions. For TD experiments we show that DTW outperforms VQ and CDHMMs for sparse amounts of training data, but with more data, the performance of each model is indistinguishable. The performance of the TD procedures is consistently superior to TI, which is attributed to subdividing the speaker recognition problem into smaller speaker-word problems. We also show a large variation in performance across the differen...
