Обложка Continuous Speech Recognition
Название книги:

Continuous Speech Recognition

Preprocessing, Feature selection, Speech Recognition and Segmentation

LAP LAMBERT Academic Publishing (2012-06-12 )

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ISBN-13:

978-3-659-14870-5

ISBN-10:
3659148709
EAN:
9783659148705
Язык Книги:
Английский
Краткое описание:
Continuous speech recognition is a great challenge in this beginning of the century. The impressive advances in hardware allow the use of sophisticated mathematical methods to solve complex problems. In this work, we show that methods invented for solving long constraint length convolutional codes can be used in speech recognition. The main contributions of this work can be summarized as follows: -The applicability of the stack decoding algorithm to continuous speech recognition. -The development and the analysis of a path metric based on the Mahalanobis distance. It has been used in the implementation of the stack algorithm in recognition program and also in the Viterbi algorithm in the training program. -The development of a novel algorithm for clipped speech restoration based on linear prediction. -Speech denoising method based on time varying Wiener filters. We obtained remarkable results using a very low order filter. -We have shown that the MFCC set is nearly Gaussian and provides the best separability between classes as compared with LPC and PARCOR coefficients. -Finally, we have developed an automatic segmentation algorithm that we use for training the system.
Издательский Дом:
LAP LAMBERT Academic Publishing
Веб-сайт:
https://www.lap-publishing.com/
By (author) :
Abdelhakim Dahimene
Количество страниц:
140
Опубликовано:
2012-06-12
Акции:
В наличии
Категория:
Электроника, электротехника, коммуникационные технологии
Цена:
59.00 €
Ключевые слова:
Speech recognition, signal processing, Hidden Markov Models, Denoising, Declipping

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