Speech recognition device for calculating a corrected similarity partially dependent on circumstances of production of input patterns
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United States of America Patent
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Jul 11, 1995
Grant Date -
N/A
app pub date -
Feb 7, 1992
filing date -
Feb 7, 1991
priority date (Note) -
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Abstract
In a speech recognition device including a similarity calculator for calculating a usual similarity as a provisional similarity between an input pattern and prepared reference patterns, a calculating arrangement calculates a reference similarity between the input pattern and produced reference patterns. A correcting unit corrects the provisional similarity by the reference similarity into a corrected similarity. As usual, the similarity may be a dissimilarity. The prepared reference patterns may be memorized in the calcultor or be given by concatenations of primary recognition units. Preferably, the produced reference patterns are concatenations of secondary recognition units memorized in a memory.
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