1
Jae won Lee, In jeong Choi: Apparatus, method, and medium for dialogue speech recognition using topic domain detection. Samsung Electronics, Staas & Halsey, October 30, 2012: US08301450 (7 worldwide citation)

An apparatus, method, and medium for dialogue speech recognition using topic domain detection are disclosed. An apparatus includes a forward search module performing a forward search in order to create a word lattice similar to a feature vector, which is extracted from an input voice signal, with re ...


2
In jeong Choi, Sang ryong Kim: Method and apparatus for discriminative estimation of parameters in maximum a posteriori (MAP) speaker adaptation condition and voice recognition method and apparatus including these. Samsung Electronics, Buchanan Ingersoll & Rooney PC, January 29, 2008: US07324941 (5 worldwide citation)

A method and apparatus for discriminative estimation of parameters in a maximum a posteriori (MAP) speaker adaptation condition, and a voice recognition apparatus having the apparatus and a voice recognition method using the method are provided. The method for discriminative estimation of parameters ...


3
In Jeong Choi, Nam Hoon Kim, Ick Sano Han, Sang Bae Jeong: Method and apparatus for searching multimedia data using speech recognition in mobile device. Samsung Electronics, Staas & Halsey, June 12, 2012: US08200490 (5 worldwide citation)

A method of searching music using speech recognition in a mobile device, the method including: recognizing a speech signal uttered by a user as a phoneme sequence; and searching music information by performing partial symbol matching between the recognized phoneme sequence and a standard pronunciati ...


4
Su yeon Yoon, In jeong Choi, Nam hoon Kim: Continuous speech recognition method and system using inter-word phonetic information. Samsung Electronics, Buchanan Ingersoll & Rooney PC, November 20, 2007: US07299178 (4 worldwide citation)

A continuous speech recognition method and system are provided. The continuous speech recognition method includes constructing a pronunciation dictionary database including at least one pronunciation representation for each word which is influenced by applying phonological rules, wherein the pronunc ...


5
Sang bae Jeong, In jeong Choi, Ick sang Han, Jeong su Kim: Speech recognition method and apparatus using lexicon group tree. Samsung Electronics, Staas & Halsey, May 31, 2011: US07953594 (3 worldwide citation)

A method and an apparatus for selecting a vocabulary closest to an input speech from among lexicons stored in memory, wherein a centroid lexicon representing lexicons belonging to a predetermined lexicon group is generated. Two lexicons, having a longest distance therebetween in the lexicon group, a ...


6
Nam Hoon Kim, In Jeong Choi, Ick Sang Han, Sang Bae Jeong: Large-vocabulary speech recognition method, apparatus, and medium based on multilayer central lexicons. Samsung Electronics, Staas & Halsey, December 1, 2009: US07627474 (3 worldwide citation)

A speech recognition method including: layering a central lexicon in a tree structure with respect to recognition-subject vocabularies; performing multi-pass symbol matching between a recognized phoneme sequence and a phonetic sequence of the central lexicon layered in the tree structure; and select ...


7
Jung Eun Kim, In Jeong Choi: Method, medium, and system retrieving a media file based on extracted partial keyword. Samsung Electronics, Staas & Halsey, January 15, 2013: US08356032 (1 worldwide citation)

A method, medium, and system retrieving a media file associated with a partial keyword which is generated by using a named entity extracted from the media file, when a query is received from a user, with the media file being associated with the partial keyword being retrieved by identifying the part ...


8
Gil Jin Jang, In Jeong Choi, Sang Bae Jeong: Apparatus and method of reducing noise by controlling signal to noise ratio-dependent suppression rate. Samsung Electronics, Staas & Halsey, March 15, 2011: US07908139 (1 worldwide citation)

An apparatus for reducing a noise signal of a speech signal in a speech recognizer, the apparatus estimating a signal to noise ratio for each frequency band of the speech signal, applying a noise suppression rate based on the estimated signal to noise ratio, and reducing the noise signal of the spee ...


9
Jae hoon Jeong, Sang bae Jeong, Jeong su Kim, In Jeong Choi: Method and apparatus for recognizing speech by measuring confidence levels of respective frames. Samsung Electronics, Staas & Halsey, September 18, 2012: US08271283 (1 worldwide citation)

Disclosed herein is a method and apparatus to recognize speech by measuring the confidence levels of respective frames. The method includes the operations of obtaining frequency features of a received speech signal for the respective frames having a predetermined length, calculating a keyword model- ...


10
Sang Bae Jeong, Nam Hoon Kim, Ick Sang Han, In Jeong Choi, Gil Jin Jang, Jae Hoon Jeong: Recognition confidence measuring by lexical distance between candidates. Samsung Electronics, Staas & Halsey, March 24, 2015: US08990086

A recognition confidence measurement method, medium and system which can more accurately determine whether an input speech signal is an in-vocabulary, by extracting an optimum number of candidates that match a phone string extracted from the input speech signal and estimating a lexical distance betw ...