Oh; Kwang-Cheol

Patent Applications and Registrations

Patent applications and USPTO patent grants for Oh; Kwang-Cheol.The latest application filed is for "sound source signal filtering apparatus based on calculated distance between microphone and sound source".

Company Profile

0.40.36

Oh; Kwang-Cheol - Yongin-si N/A KR
Oh; Kwang Cheol - Seongnam-si KR
OH; Kwang-Cheol - Gyeonggi-do KR
Oh; Kwang-cheol - Yonging-si KR
Oh; Kwang-cheol - Kyungki-do KR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Apparatus for gain calibration of a microphone array and method thereof Grant 9,407,990 - Kim , et al. August 2, 2	2016-08-02
Sound source signal filtering apparatus based on calculated distance between microphone and sound source Grant 9,182,475 - Jeong , et al. November 10, 2	2015-11-10
Apparatus and method for noise estimation, and noise reduction apparatus employing the same Grant 9,159,335 - Kim , et al. October 13, 2	2015-10-13
Apparatus and method for enhancing audio quality using non-uniform configuration of microphones Grant 8,965,002 - Oh , et al. February 24, 2	2015-02-24
Sound zooming apparatus and method synchronized with moving picture zooming function Grant 8,897,454 - Jeong , et al. November 25, 2	2014-11-25
Method and apparatus of transforming speech feature vectors using an auto-associative neural network Grant 8,838,446 - Jeong , et al. September 16, 2	2014-09-16
Multi-stage speech recognition apparatus and method Grant 8,762,142 - Jeong , et al. June 24, 2	2014-06-24
Method and apparatus for canceling noise from mixed sound Grant 8,693,704 - Kim , et al. April 8, 2	2014-04-08
Microphone array apparatus having hidden microphone placement and acoustic signal processing apparatus including the same Grant 8,665,305 - Jeong , et al. March 4, 2	2014-03-04
Sound Source Signal Filtering Apparatus Based On Calculated Distance Between Microphone And Sound Source App 20140056106 - JEONG; Jae-hoon ; et al.	2014-02-27
Sound source signal filtering apparatus based on calculated distance between microphone and sound source Grant 8,577,055 - Jeong , et al. November 5, 2	2013-11-05
Apparatus and method for restoring voice Grant 8,554,552 - Jeong , et al. October 8, 2	2013-10-08
Sound Source Signal Filtering Apparatus Based On Calculated Distance Between Microphone And Sound Source App 20130129113 - JEONG; Jae-hoon ; et al.	2013-05-23
Apparatus and method for automatic gain control using phase information Grant 8,406,432 - Kim , et al. March 26, 2	2013-03-26
Sound source signal filtering method based on calculated distances between microphone and sound source Grant 8,385,562 - Jeong , et al. February 26, 2	2013-02-26
Sound Zoom Method, Medium, And Apparatus App 20130022217 - JEONG; So-young ; et al.	2013-01-24
Method and apparatus for detecting pitch by using spectral auto-correlation Grant 8,315,854 - Oh , et al. November 20, 2	2012-11-20
Method and apparatus for detecting pitch by using subharmonic-to-harmonic ratio Grant 8,311,811 - Oh , et al. November 13, 2	2012-11-13
Appratus and method for preventing noise Grant 8,300,846 - Kim , et al. October 30, 2	2012-10-30
Sound zoom method, medium, and apparatus Grant 8,290,177 - Jeong , et al. October 16, 2	2012-10-16
Method, medium, and apparatus for extracting target sound from mixed sound Grant 8,238,569 - Jeong , et al. August 7, 2	2012-08-07
Method, medium, and apparatus for extracting target sound from mixed sound Grant 8,229,129 - Jeong , et al. July 24, 2	2012-07-24
Apparatus And Method For Estimating Noise By Noise Region Discrimination App 20120179458 - Oh; Kwang-Cheol ; et al.	2012-07-12
Microphone Array Apparatus Having Hidden Microphone Placement And Acoustic Signal Processing Apparatus Including The Same App 20120169826 - JEONG; Jae-Hoon ; et al.	2012-07-05
Apparatus and method of detecting target sound Grant 8,213,263 - Kim , et al. July 3, 2	2012-07-03
Method and apparatus for acquiring multi-channel sound by using microphone array Grant 8,160,270 - Oh , et al. April 17, 2	2012-04-17
Apparatus And Method For Enhancing Audio Quality Using Non-uniform Configuration Of Microphones App 20120070015 - OH; Kwang-Cheol ; et al.	2012-03-22
Method and apparatus for canceling noise from sound input through microphone Grant 8,085,949 - Kim , et al. December 27, 2	2011-12-27
Apparatus And Method For Reducing Rear Noise App 20110235822 - JEONG; Jae-Hoon ; et al.	2011-09-29
Method and apparatus for detecting voice region Grant 7,966,179 - Oh , et al. June 21, 2	2011-06-21
Apparatus For Gain Calibration Of A Microphone Array And Method Thereof App 20110075859 - KIM; Kyu-Hong ; et al.	2011-03-31
Apparatus And Method For Reducing Noise Using Complex Spectrum App 20110051956 - JEONG; So-Young ; et al.	2011-03-03
Method and apparatus for normalizing voice feature vector by backward cumulative histogram Grant 7,835,909 - Jeong , et al. November 16, 2	2010-11-16
Formant frequency estimation method, apparatus, and medium in speech recognition Grant 7,818,169 - Oh , et al. October 19, 2	2010-10-19
Apparatus And Method For Extracting Target Sound From Mixed Source Sound App 20100254539 - JEONG; So-young ; et al.	2010-10-07
Voicing estimation method and apparatus for speech recognition by using local spectral information Grant 7,792,669 - Oh , et al. September 7, 2	2010-09-07
Appratus And Method For Preventing Noise App 20100119079 - KIM; Kyu-hong ; et al.	2010-05-13
Sound Zooming Apparatus And Method Synchronized With Moving Picture Zooming Function App 20100118201 - JEONG; So-young ; et al.	2010-05-13
Apparatus And Method For Restoring Voice App 20100114570 - Jeong; Jae-hoon ; et al.	2010-05-06
Apparatus And Method Of Detecting Target Sound App 20100110834 - KIM; Kyu-hong ; et al.	2010-05-06
Method and apparatus for measuring sound source distance using microphone array Grant 7,710,826 - Jeong , et al. May 4, 2	2010-05-04
Apparatus and method for detecting voice activity period Grant 7,711,558 - Jang , et al. May 4, 2	2010-05-04
Apparatus And Method For Noise Estimation, And Noise Reduction Apparatus Employing The Same App 20100092000 - KIM; Kyu-hong ; et al.	2010-04-15
Voice region detection apparatus and method with color noise removal using run statistics Grant 7,630,891 - Oh , et al. December 8, 2	2009-12-08
Method, medium, and apparatus for extracting target sound from mixed sound App 20090279715 - Jeong; So-young ; et al.	2009-11-12
Apparatus and method for automatic gain control using phase information App 20090232330 - Kim; Kyuhong ; et al.	2009-09-17
Method and apparatus for canceling noise from sound input through microphone App 20090141907 - Kim; Kyu-hong ; et al.	2009-06-04
Distance based sound source signal filtering method and apparatus App 20090141908 - Jeong; Jae-hoon ; et al.	2009-06-04
Method and apparatus for canceling noise from mixed sound App 20090129610 - KIM; Kyu-hong ; et al.	2009-05-21
Method and apparatus for acquiring multi-channel sound by using microphone array App 20090129609 - Oh; Kwang-cheol ; et al.	2009-05-21
Method, medium, and apparatus for extracting target sound from mixed sound App 20090097670 - Jeong; So-young ; et al.	2009-04-16
Method and apparatus for measuring sound source distance using microphone array App 20090097360 - Jeong; Jae-hoon ; et al.	2009-04-16
Method and apparatus for identifying sound sources from mixed sound signal App 20090086998 - Jeong; So-young ; et al.	2009-04-02
Sound zoom method, medium, and apparatus App 20090060222 - Jeong; So-young ; et al.	2009-03-05
Multi-stage speech recognition apparatus and method App 20080208577 - Jeong; So-young ; et al.	2008-08-28
Method of and apparatus for transforming speech feature vector App 20080147391 - Jeong; So-young ; et al.	2008-06-19
Method and apparatus for normalizing voice feature vector by backward cumulative histogram App 20070208562 - Jeong; So-Young ; et al.	2007-09-06
Formant frequency estimation method, apparatus, and medium in speech recognition App 20070192088 - Oh; Kwang Cheol ; et al.	2007-08-16
Voicing estimation method and apparatus for speech recognition by using local spectral information App 20070185709 - Oh; Kwang Cheol ; et al.	2007-08-09
Method, apparatus, and medium for measuring confidence about speech recognition in speech recognizer App 20070185712 - Jeong; Jae-Hoon ; et al.	2007-08-09
Method and apparatus for detecting pitch by using subharmonic-to-harmonic ratio App 20070174049 - Oh; Kwang Cheol ; et al.	2007-07-26
Method and apparatus for detecting pitch by using spectral auto-correlation App 20070174048 - Oh; Kwang Cheol ; et al.	2007-07-26
Apparatus and method for detecting voice activity period App 20070073537 - Jang; Gil-jin ; et al.	2007-03-29
Method and apparatus for detecting voice region App 20060178881 - Oh; Kwang-cheol ; et al.	2006-08-10
Voice region detection apparatus and method App 20040172244 - Oh, Kwang-cheol ; et al.	2004-09-02

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