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:
May. 05, 2009
Filed:
Apr. 01, 2005
Sanghun Kim, Taejon, KR;
Youngjik Lee, Taejon, KR;
Sanghun Kim, Taejon, KR;
YoungJik Lee, Taejon, KR;
Electronics and Telecommunications Research Institute, Taejeon, KR;
Abstract
A two stage utterance verification device and a method thereof are provided. The two stage utterance verification method includes performing a first utterance verification function based on a SVM pattern classification method by using feature data inputted from a search block of a speech recognizer and performing a second utterance verification function based on a CART pattern classification method by using heterogeneity feature data including meta data extracted from a preprocessing module, intermediate results from function blocks of the speech recognizer and the result of the first utterance verification function. Therefore, the two state utterance verification device and the method thereof provide a high quality speech recognition service to a user.