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Speaker Adaptation In A Large Vocabulary Speech Recognizer Via Vq Prototype Modification
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Book Synopsis Speaker Adaptation in a Large-vocabulary Speech Recognizer Via VQ Prototype Modification by : Dimitry Rtischev
Download or read book Speaker Adaptation in a Large-vocabulary Speech Recognizer Via VQ Prototype Modification written by Dimitry Rtischev and published by . This book was released on 1989 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: "The problem of adapting the parameters of a speaker-dependent speech recognition system to a different speaker is examined with the objective of reducing or eliminating recognizer training necessary for user enrollment. A statistical approach to speech recognition based on vector quantization (VQ) and hidden Markov modeling (HMM) of speech is considered. The emphasis is on adaptation of vector quantizer prototypes as opposed to modification of hidden Markov model parameters. Two statistical techniques for VQ prototype adaptation, namely Bayesian learning and tied-mixture continuous-parameter HMM's, are presented and evaluated on the basis of experimental evidence. It is concluded that whereas Bayesian adaptation offers the best compromise between performance, amount of training data, and computational expense, tied-mixture continuous parameter HMM's constitute an even more reliable and effective technique for speaker adaptation."
Book Synopsis Speaker Adaptation in a Large-vocabulary Speech Recognition System by : Dimitry Rtischev
Download or read book Speaker Adaptation in a Large-vocabulary Speech Recognition System written by Dimitry Rtischev and published by . This book was released on 1989 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Speaker Normalisation and Adaptation in Large Vocabulary Speech Recognition by : Luís Felipe Uebel
Download or read book Speaker Normalisation and Adaptation in Large Vocabulary Speech Recognition written by Luís Felipe Uebel and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book ICASSP 91 written by and published by . This book was released on 1991 with total page 812 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bayesian Discriminative Speaker Adaptation for Large Vocabulary Continuous Speech Recognition by : 黃志賢
Download or read book Bayesian Discriminative Speaker Adaptation for Large Vocabulary Continuous Speech Recognition written by 黃志賢 and published by . This book was released on 2006 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Speaker Adaptation Using Multiple Reference Speakers by :
Download or read book Speaker Adaptation Using Multiple Reference Speakers written by and published by . This book was released on 1989 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: We introduce a new technique for using the speech of multiple reference speakers as a basis for speaker adaptation in large vocabulary continuous speech recognition. In contrast to other methods that use a pooled reference model, this technique normalizes the training speech from multiple reference speakers to a single common feature space before pooling it. The normalized and pooled speech can then be treated as if it came from a single reference speaker for training the reference hidden Markov model (HMM). Our usual prohabilistic spectrum transformation can be applied to the reference HMM to model a new (target) speaker. In this paper, we describe our baseline (single reference speaker) speaker-adaptation system and give current performance results from a recent formal evaluation of the system. We also describe our proposal for adapting from multiple reference speakers and report on recent preliminary experimental results in support of the proposed technique.
Book Synopsis Speaker-independent Large-vocabulary Speech Recognition Using the Cambridge HTK-toolkit by : Monjur Morshed
Download or read book Speaker-independent Large-vocabulary Speech Recognition Using the Cambridge HTK-toolkit written by Monjur Morshed and published by . This book was released on 2005 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Speech and Natural Language written by and published by . This book was released on 1991 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Adaptation of Spectral Trajectory Models for Large Vocabulary Continuous Speech Recognition by : Ashvin Kannan
Download or read book Adaptation of Spectral Trajectory Models for Large Vocabulary Continuous Speech Recognition written by Ashvin Kannan and published by . This book was released on 1997 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fast Speaker-adaptive Training for Large-vocabulary Speech Recognition by : Ming-Whei Feng
Download or read book Fast Speaker-adaptive Training for Large-vocabulary Speech Recognition written by Ming-Whei Feng and published by . This book was released on 1989 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Computational Models of Speech Pattern Processing by : Keith Ponting
Download or read book Computational Models of Speech Pattern Processing written by Keith Ponting and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the NATO Advanced Study Institute on Computational Models of Speech Pattern Processing, held in St. Helier, Jersey, UK, July 7-18, 1997
Book Synopsis Speaker adaptation in continuous speech recognition via estimation of correlated mean vectors by : William Anthony Rozzi
Download or read book Speaker adaptation in continuous speech recognition via estimation of correlated mean vectors written by William Anthony Rozzi and published by . This book was released on 1991 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comparative Experiments on Large Vocabulary Speech Recognition by :
Download or read book Comparative Experiments on Large Vocabulary Speech Recognition written by and published by . This book was released on 1993 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper describes several key experiments in large vocabulary speech recognition. We demonstrate that, counter to our intuitions, given a fixed amount of training speech, the number of training speakers has little effect on the accuracy. We show how much speech is needed for speaker-independent (SI) recognition in order to achieve the same performance as speaker-dependent (SD) recognition. We demonstrate that, though the N-Best Paradigm works quite well up to vocabularies of 5,000 words, it begins to break down with 20,000 words and long sentences. We compare the performance of two feature preprocessing algorithms for microphone independence and we describe a new microphone adaptation algorithm based on selection among several codebook transformations.
Book Synopsis Fast Speaker Independent Large Vocabulary Continuous Speech Recognition by : Monika Woszczyna
Download or read book Fast Speaker Independent Large Vocabulary Continuous Speech Recognition written by Monika Woszczyna and published by . This book was released on 1998 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Large Vocabulary Speech Recognition by : Jean-Luc Gauvain
Download or read book Advances in Large Vocabulary Speech Recognition written by Jean-Luc Gauvain and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Vocal Tract Length Normalization for Large Vocabulary Continuous Speech Recognition by : Carnegie Mellon University. Computer Science Department
Download or read book Vocal Tract Length Normalization for Large Vocabulary Continuous Speech Recognition written by Carnegie Mellon University. Computer Science Department and published by . This book was released on 1997 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: "Generally speaking, the speaker-dependence of a speech recognition system comes from speaker-dependent speech feature. The variation of vocal tract length and/or shape is one of the major source [sic] of inter-speaker variations. In this paper, we address several methods of vocal tract length normalization (VTLN) for large vocabulary continuous speech recognition: (1) explore the bilinear warping VTLN in frequency domain; (2) propose a speaker-specific Bark/Mel scale VTLN in Bark/Mel domain; (3) investigate adaptation of the normalization factor. Our experimental results show that the speaker-specific Bark/Mel scale VTLN is better than the piecewise/bilinear warping VTLN in frequency domain. It can reduce up to 12% word error rate for our Spanish and English spontaneous speech scheduling task database. For adaptation of the normalization factor, our experimental results show that promising result [sic] can be obtained by using not more than three utterances from a new speaker to estimate his/her normalization factor, and the unsupervised adaptation mode works as well as the supervised one. Therefore, the computational complexity of VTLN can be avoided by learning the normalization factor from very few utterances of a new speaker."
Book Synopsis Large-vocabulary Speaker-independent Continuous Speech Recognition by : Kai-Fu Lee
Download or read book Large-vocabulary Speaker-independent Continuous Speech Recognition written by Kai-Fu Lee and published by . This book was released on 1988 with total page 183 pages. Available in PDF, EPUB and Kindle. Book excerpt:
