Inventor · disambiguated record
Kwang-Cheol Oh
Also filed as: OH KWANG-CHEOL
29 granted patents·6 pending applications·196 citations·filing 2003–2013
96Inventor score
Top patents by PatentIndex Score
35 records- 0195US8085949B2Method and apparatus for canceling noise from sound input through microphoneKIM KYU-HONG·Filed 2008·Granted Dec 27, 2011·48 cites·16 claims
- 0287US8838446B2Method and apparatus of transforming speech feature vectors using an auto-associative neural networkJEONG SO-YOUNG·Filed 2007·Granted Sep 16, 2014·22 cites·15 claims
- 0382US8762142B2Multi-stage speech recognition apparatus and methodJEONG SO-YOUNG·Filed 2007·Granted Jun 24, 2014·14 cites·9 claims
- 0480US8897454B2Sound zooming apparatus and method synchronized with moving picture zooming functionJEONG SO-YOUNG·Filed 2009·Granted Nov 25, 2014·6 cites·20 claims
- 0580US8385562B2Sound source signal filtering method based on calculated distances between microphone and sound sourceSAMSUNG ELECTRONICS CO LTD·Filed 2008·Granted Feb 26, 2013·7 cites·6 claims
- 0680US8160270B2Method and apparatus for acquiring multi-channel sound by using microphone arrayOH KWANG-CHEOL·Filed 2008·Granted Apr 17, 2012·11 cites·15 claims
- 0777US8665305B2Microphone array apparatus having hidden microphone placement and acoustic signal processing apparatus including the sameJEONG JAE-HOON·Filed 2011·Granted Mar 4, 2014·3 cites·18 claims
- 0876US8577055B2Sound source signal filtering apparatus based on calculated distance between microphone and sound sourceSAMSUNG ELECTRONICS CO LTD·Filed 2013·Granted Nov 5, 2013·3 cites·7 claims
- 0975US8693704B2Method and apparatus for canceling noise from mixed soundKIM KYU-HONG·Filed 2008·Granted Apr 8, 2014·7 cites·19 claims
- 1075US8300846B2Appratus and method for preventing noiseKIM KYU-HONG·Filed 2009·Granted Oct 30, 2012·8 cites·19 claims
- 1175US8229129B2Method, medium, and apparatus for extracting target sound from mixed soundJEONG SO-YOUNG·Filed 2008·Granted Jul 24, 2012·6 cites·15 claims
- 1274US7792669B2Voicing estimation method and apparatus for speech recognition by using local spectral informationSAMSUNG ELECTRONICS CO INC·Filed 2007·Granted Sep 7, 2010·8 cites·15 claims
- 1373US8965002B2Apparatus and method for enhancing audio quality using non-uniform configuration of microphonesOH KWANG-CHEOL·Filed 2011·Granted Feb 24, 2015·5 cites·23 claims
- 1472US9159335B2Apparatus and method for noise estimation, and noise reduction apparatus employing the sameKIM KYU-HONG·Filed 2009·Granted Oct 13, 2015·7 cites·19 claims
- 1571US8290177B2Sound zoom method, medium, and apparatusJEONG SO-YOUNG·Filed 2008·Granted Oct 16, 2012·4 cites·14 claims
- 1669US8238569B2Method, medium, and apparatus for extracting target sound from mixed soundJEONG SO-YOUNG·Filed 2009·Granted Aug 7, 2012·4 cites·14 claims
- 1769US8213263B2Apparatus and method of detecting target soundKIM KYU-HONG·Filed 2009·Granted Jul 3, 2012·7 cites·19 claims
- 1869US7710826B2Method and apparatus for measuring sound source distance using microphone arraySAMSUNG ELECTRONICS CO LTD·Filed 2008·Granted May 4, 2010·7 cites·12 claims
- 1964US8406432B2Apparatus and method for automatic gain control using phase informationKIM KYUHONG·Filed 2008·Granted Mar 26, 2013·4 cites·18 claims
- 2059US7711558B2Apparatus and method for detecting voice activity periodSAMSUNG ELECTRONICS CO LTD·Filed 2006·Granted May 4, 2010·3 cites·16 claims
- 2154US8315854B2Method and apparatus for detecting pitch by using spectral auto-correlationOH KWANG CHEOL·Filed 2006·Granted Nov 20, 2012·3 cites·8 claims
- 2254US8311811B2Method and apparatus for detecting pitch by using subharmonic-to-harmonic ratioOH KWANG CHEOL·Filed 2006·Granted Nov 13, 2012·4 cites·13 claims
- 2354US7630891B2Voice region detection apparatus and method with color noise removal using run statisticsSAMSUNG ELECTRONICS CO LTD·Filed 2003·Granted Dec 8, 2009·4 cites·21 claims
- 2453US7835909B2Method and apparatus for normalizing voice feature vector by backward cumulative histogramSAMSUNG ELECTRONICS CO LTD·Filed 2006·Granted Nov 16, 2010·1 cites·12 claims
- 2552US9182475B2Sound source signal filtering apparatus based on calculated distance between microphone and sound sourceSAMSUNG ELECTRONICS CO LTD·Filed 2013·Granted Nov 10, 2015·0 cites·9 claims
- 2651US8554552B2Apparatus and method for restoring voiceJEONG JAE-HOON·Filed 2009·Granted Oct 8, 2013·0 cites·10 claims
- 2748US7818169B2Formant frequency estimation method, apparatus, and medium in speech recognitionSAMSUNG ELECTRONICS CO LTD·Filed 2007·Granted Oct 19, 2010·0 cites·10 claims
- 2846US2009086998A1Method and apparatus for identifying sound sources from mixed sound signalSAMSUNG ELECTRONICS CO LTD·Filed 2008·Application pending·0 cites
- 2944US9407990B2Apparatus for gain calibration of a microphone array and method thereofKIM KYU-HONG·Filed 2010·Granted Aug 2, 2016·0 cites·12 claims
- 3043US2007185712A1Method, apparatus, and medium for measuring confidence about speech recognition in speech recognizerSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 3142US7966179B2Method and apparatus for detecting voice regionSAMSUNG ELECTRONICS CO LTD·Filed 2006·Granted Jun 21, 2011·0 cites·17 claims
- 3240US2011235822A1Apparatus and method for reducing rear noiseJEONG JAE-HOON·Filed 2011·Application pending·0 cites
- 3339US2012179458A1Apparatus and method for estimating noise by noise region discriminationOH KWANG-CHEOL·Filed 2011·Application pending·0 cites
- 3438US2010254539A1Apparatus and method for extracting target sound from mixed source soundSAMSUNG ELECTRONICS CO LTD·Filed 2010·Application pending·0 cites
- 3538US2011051956A1Apparatus and method for reducing noise using complex spectrumSAMSUNG ELECTRONICS CO LTD·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →