1988 | OriginalPaper | Buchkapitel
Morphological Representation of Speech Knowledge for Automatic Speech Recognition Systems
verfasst von : Mathew J. Palakal
Erschienen in: Recent Advances in Speech Understanding and Dialog Systems
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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This work proposes a technique to capture speech knowledge which is available in spectrograms by considering it as a scene. A simple pattern analysis technique applied to these patterns reveals significant properties which are relevant to transitions of vocal tract as well as being speaker independent in nature. This process is labeled under Biological Vision since, Biological vision system uses a global recognition strategy by considering the image as a “whole”. The recognition processor, the brain, uses symbols and symbolic relationships in image for image interpretation. Also, the knowledge base consists of symbols as well as symbolic relationship of objects in its long term memory. In order to give the machine a similar capability as that of biological vision systems, the pattern of a speech spectrogram is described as a morphology of symbols and symbolic relationships. Such symbols are then used for final hypothesis generation by statistical means.