Smoothening the information density of spoken words in an audio signal

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United States of America Patent

PATENT NO 9293150
APP PUB NO 20150073803A1
SERIAL NO

14025323

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Abstract

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A portion of an audio signal is identified corresponding to a spoken word and its phonemes. A set of alternate spoken words satisfying phonetic similarity criteria to the spoken word is generated. A subset of the set of alternate spoken words is also identified; each member of the subset shares the same phoneme in a similar temporal position as the spoken word. A significance factor is then calculated for the phoneme based on the number of alternates in the subset and on the total number of alternates. The calculated significance factor may then be used to lengthen or shorten the temporal duration of the phoneme in the audio signal according to its significance in the spoken word.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Boegelund, Flemming Frederikssund, DK 28 416
Varshney, Lav R Yorktown Heights, US 40 144

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