Acoustic phonetic representations for continuous speech recognition: Networks versus lattices
نویسندگان
چکیده
منابع مشابه
Acoustic-phonetic representations in word recognition.
This paper reviews what is currently known about the sensory and perceptual input that is made available to the word recognition system by processes typically assumed to be related to speech sound perception. In the first section, we discuss several of the major problems that speech researchers have tried to deal with over the last thirty years. In the second section, we consider one attempt to...
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Segment-based speech recognition has shown to be a competitive alternative to the state-of-theart HMM-based techniques. Its accuracies rely heavily on the quality of the segment graph from which the recognizer searches for the most likely recognition hypotheses. In order to increase the inclusion rate of actual segments in the graph, it is important to recover possible missing segments generate...
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A long-standing and widely accepted linguistic theory of speech recognition holds that natural spoken messages are understood on the basis of an intermediate representation of the acoustic signal in terms of a small number of phonetic symbols. The traditional linguistic theory is very attractive for several reasons. First, it provides a natural way to partition the process of communication by s...
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Previous research by the authors has been directed toward phonetic transcription of fluent speech. We have applied our techniques to speech recognition on the DARPA Resource Management Task. In order to perform speech recognition, however, the phonetic transcription must be interpreted as a sequence of words. A central component of this process is lexical access for which a novel method is prop...
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We report on some recent improvements to an HMMbased, continuous speech recognition system which is being developed at AT&T Bell Laboratories. These advances, which include the incorporation of inter-word, context-dependent units and an improved feature analysis, lead to a recognition system which achieves better than 95% word accuracy for speaker independent recognition of the 1000-word, DARPA...
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ژورنال
عنوان ژورنال: The Journal of the Acoustical Society of America
سال: 1987
ISSN: 0001-4966
DOI: 10.1121/1.2024480