Speech and Language Processing: An Introduction to Natural Language Processing, Computational Linguistics, and Speech RecognitionFor undergraduate or advanced undergraduate courses in Classical Natural Language Processing, Statistical Natural Language Processing, Speech Recognition, Computational Linguistics, and Human Language Processing.
An explosion of Web-based language techniques, merging of distinct fields, availability of phone-based dialogue systems, and much more make this an exciting time in speech and language processing. The first of its kind to thoroughly cover language technology - at all levels and with all modern technologies - this text takes an empirical approach to the subject, based on applying statistical and other machine-learning algorithms to large corporations. The authors cover areas that traditionally are taught in different courses, to describe a unified vision of speech and language processing. Emphasis is on practical applications and scientific evaluation. An accompanying Website contains teaching materials for instructors, with pointers to language processing resources on the Web. The Second Edition offers a significant amount of new and extended material.
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From inside the book
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... Vector quantization VQ Codebook Prototype vector Codeword Clustering The last section showed how we can extract MFCC features representing spectral in- formation from a wavefile and produce a 39 - dimensional vector every 10 ...
... vector to each of the 256 prototype vectors , select the prototype which is closest ( by some distance metric ) , and replace the input vector by the index of this prototype vector . A schematic of this process is shown in Fig . 9.15 ...
... vector. Let's define fi to mean the frequency with which word i occurs in the context of word w. We define the word vector w (for a given token (observation) of w) as w = (f1 , f2 , f3 ,···, f1000 ) So far this is just a version of the ...
Other editions - View all
Speech and Language Processing: An Introduction to Natural Language ... Daniel Jurafsky,James H. Martin No preview available - 2009 |