G - Physics – 10 – L
Patent
G - Physics
10
L
354/54
G10L 9/06 (1985.01)
Patent
CA 1229925
Abstract of the Disclosure A speech recognition method and apparatus employ a speech processing circuitry for repetitively deriving from a speech input, at a frame repetition rate, a plurality of acoustic parameters. The acoustic parameters represent he speech input signal for a frame time. A plurality of template matching and cost processing circuitries are connected to a system bus, along with the speech processing circuitry, for determining, or identifying, the speech units in the input speech, by comparing the acoustic parameters with stored template patterns. The apparatus can be expanded by adding more template matching and cost processing circuitry to the bus thereby increasing the speech recognition capacity of the apparatus. The template matching and cost processing circuitries provide distributed processing, on demand, of the acoustic parameters for generating through a dynamic programming technique the recognition decision. Grammar graphs, having a plurality of nodes, are employed for representing both sequences of speech keywords and the speech components which form a keyword. The grammar graphs are software interchangeable, and can be advantageously employed together with dynamic programming methods.
472293
Exxon Research And Engineering Company
Riches Mckenzie & Herbert Llp
LandOfFree
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