Electrical audio signal processing systems and devices – One-way audio signal program distribution – Public address system
Patent
1989-02-10
1989-11-21
Harkcom, Gary V.
Electrical audio signal processing systems and devices
One-way audio signal program distribution
Public address system
381 43, G10L 506, G10L 900
Patent
active
048827568
ABSTRACT:
A pattern matching system and method in which feature vectors of an input pattern to be identified are compared with a plurality of stored reference patterns in order to identify the input pattern. A number L of feature vectors from the input pattern and a feature vector from one of the reference patterns are read into a distance computation unit, under control of a pattern matching control unit. Inter-vector distances are calculated and passed to an asymptotic equation computation unit, which calculates an overall dissimilarity vector for each reference pattern. Because L feature vectors from the input pattern are read into the distance computation unit at a time, memory and reference pattern feature vector transfer requirements are decreased.
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Harkcom Gary V.
Knepper David D.
NEC Corporation
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