Optimal method of data reduction in a speech recognition system

G - Physics – 10 – L

Patent

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354/47

G10L 15/00 (2006.01)

Patent

CA 1299750

Abstract of the Disclosure The present invention describes a method and arrangement for reducing a sequence of initial frames into a reduced set of representative frames by combining the initial frames into a plurality of representative frames, the combining process including generating a distortion measure associated with each representative frame and comparing each distortion measure to a distortion threshold. From these representative frames, a set of mutually exclusive frames is determined to minimize the number of representative frames, whereby each representative frame in the set represents a unique set of contiguous initial frames and has an associated distortion measure which does not exceed the distortion threshold.

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