The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 22, 2015
Filed:
Feb. 13, 2013
Nec Corporation, Minato-ku, Tokyo, Japan, JP;
Atsunori Sakai, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
A speech recognition apparatusincludes: an identification language model creation unitthat selects, from learning textsfor various fields for generating language modelsfor the fields, a phrase that includes a word whose appearance frequency satisfies a set condition on a field-by-field basis, and generates an identification language modelfor identifying the field of speech using the selected phrases; a speech recognition unitthat executes speech recognition on the speech using the identification language model, and outputs text data and word confidences as a recognition result; and a field determination unitthat specifies a field that includes the most words whose confidences are greater than or equal to a set value based on the text data, the word confidences, and the words in the learning texts for the fields, and determines that the specified field is the field of the speech.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile