Patent · US Active

Automatic speech and concept recognition

US8676580B2 · kind B2 · utility

9Cited by

25References

20Claims

0Family size

Assignee

International Business Machines Corporation · US

Inventors

Om D. Deshmukh · Savanuru, IN
Etienne Marcheret · White Plains, US
Shajith Ikbal Mohamed · Chennai, IN
Ashish Verma · New Delhi, IN
Karthik Visweswariah · Bengaluru, IN

Key dates

Filing date	Aug 16, 2011
Grant date	Mar 18, 2014
Priority date	—
Expiry date	Feb 22, 2032

Classification

Technology area (CPC G)Physics
CPC primaryG10L15/193
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A method, an apparatus and an article of manufacture for automatic speech recognition. The method includes obtaining at least one language model word and at least one rule-based grammar word, determining an acoustic similarity of at least one pair of language model word and rule-based grammar word, and increasing a transition cost to the at least one language model word based on the acoustic similarity of the at least one language model word with the at least one rule-based grammar word to generate a modified language model for automatic speech recognition.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.