© Smart Sound Systems Laboratory, 2015-

International Journal

2018

Byeongho Jo and Jung-Woo Choi*, "Parametric direction-of-arrival estimation with three recurrence relations of spherical harmonics," J. Acoust. Soc. Am., 145(1), pp.480-488, Jan 2019.

Byeongho Jo and Jung-Woo Choi*, "Direction of arrival estimation using nonsingular spherical ESPRIT," J. Acoust. Soc. Am., 143(3), EL181-EL187, Feb 2018.

2017

Byeongho Jo, and Jung-Woo Choi*, "Spherical Harmonic Smoothing for Localizing Coherent Sound Sources," IEEE Trans. Audio and Speech Signal Processing, Vol. 25, No.11, pp 1969~1984, Aug 2017.

Eui Joong Shin, Soo Yeon Park, Choong Sun Kim, Byung Jin Cho, Jung-Woo Choi, "Construction of a Multiway Carbon Nanotube Loudspeaker with Finely Tunable Resonance Frequencies,", Adv. Mater. Technol., vol. 1700197, pp. 1–5, Dec 2017.

2016

C. S. Kim, K. E. Lee, J.-M. Lee, S. O. Kim, B. J. Cho, and J.-W. Choi*, "Application of N-Doped Three-Dimensional Reduced Graphene Oxide Aerogel to Thin Film Loudspeaker," ACS Appl. Mater. Interfaces, vol. 8, no. 34, pp. 22295–22300 (2016).

Choi, JW; Cho, BJ; Shin, IS; “Toward the Holographic Reconstruction of Sound Fields Using Smart Sound Devices”, IEEE Multimedia, Vol.23, No.3, pp 64-74, July 2016.

2015

Choong Sun Kim, Seul Ki Hong, Jung-Min Lee, Dong-Soo Kang, Byung Jin Cho, and Jung-Woo Choi*, "Free-Standing Graphene Thermophone on a Polymer-Mesh Substrate," Small,  Jan;12(2):185-9. http://dx.doi.org/10.1002/smll.201501673. Epub 2015 Nov 30 (2015).

Jung-Min. Lee, Jung-Woo Choi* and Yang-Hann Kim, “Reproduction of a higher-order circular harmonic field using a linear array of loudspeakers,” Journal of the Acoustical Society of America (JASA), Vol. 137, EL227 (2015); http://dx.doi.org/10.1121/1.4905880

Dong-Soo Kang, Jung-Woo Choi*, and William L. Martens, "Distance perception of a virtual sound source synthesized near the listener position," Multimedia tools and applications, DOI 10.1007/s11042-015-2878-9  (2015) .

Hee-Min Noh* and Jung-Woo Choi, "Identification of Low-frequency Noise Sources in High-speed Train by Resolution Improvement," Journal of Mechanical Science and Technology, Vol. 29 (9), pp. 3609-3615 (2015) DOI 10.1007/s12206-015-0804-8

2014

Dae-Hoon Seo, Jung-Woo Choi, and Yang-Hann Kim*, "Impulsive sound source localization using peak and RMS estimation of the time-domain beamformer output," Mechanical Systems and Signal Processing, Vol. 49, pp. 95-105, 2014.

2013

Jung-Woo Choi* and Yang–Hann Kim, “Sound Field Reproduction of a Virtual Source inside a Loudspeaker Array with Minimal External Radiation,” IEEE Transactions on Audio Speech Language Processing, Vol. 21, No.2, pp. 247-259, Feb 2013.

Jin-Young Park, Jung-Woo Choi*, and Yang-Hann Kim, “Acoustic contrast sensitivity to transfer function errors in the design of a personal audio system," Journal of the Acoustical Society of America(JASA), Vol. 34, EL112, Jun 2013.

Juho Jung, Jung-Woo Choi*, and Yang-Hann Kim, “"Equalization filter design for downfiring flat television speakers," Applied Acoustics, Vol. 76, pp. 66-81, Aug 2013.

Jordan Cheer, Stephen J. Elliott*, Youngtae Kim, Jung-Woo Choi, “Practical implementation of personal audio in a mobile device,” Journal of the Audio Engineering Society(JAES), Vol. 61, No. 5, pp. 290-300, May 2013.

Jung-Min Lee*, Jung-Woo Choi, and Yang-Hann Kim, "Wave field synthesis of a virtual source located in proximity to a loudspeaker array," Journal of the Acoustical Society of America(JASA), Vol. 134, No. 3, pp. 2106-2117, Sept 2013.

Ki -Won Kim*, Jung-Woo Choi and Yang-Hann Kim, "An assistive device for sound source localization" Assistive Technology, Vol. 25, Issue 4, pp. 216-221, Oct 2013.

2012

Jung-Woo Choi* and Yang-Hann Kim, "Integral approach for the reproduction of a virtual sound source surrounded by loudspeaker array," IEEE Transactions on Audio Speech Language Processing, Vol. 20, No. 7, pp. 1976-1989, Sept 2012.

Stephen J. Elliott*, Jordan Cheer, Jung–Woo Choi, Youngtae Kim, “Robustness and regularization of personal audio systems,” IEEE Transactions on Audio Speech Language Processing, Vol. 20, No. 7, pp. 2123-2133, Sept 2012.

Minho Song*, Jung-Woo Choi, and Yang-Hann Kim, "A selective array activation method for the generation of a focused source considering listening position," Journal of the Acoustical Society of America(JASA), Vol. 131(2), pp. EL156-162, 2012.

2010

Jiho Chang, Jung-Woo Choi, Yang–Hann Kim*, "A plane wave generation method by wave number domain point focusing," Journal of the Acoustical Society of America(JASA), Vol. 128(5), pp.2758-2767, 2010.

2004

Joung–Woo Choi and Yang–Hann Kim*, “Manipulation of sound intensity within a selected region using multiple sources,” Journal of the Acoustical Society of America(JASA), Vol. 116 (2), pp. 843-852, Aug 2004.

2002

Joung–Woo Choi and Yang–Hann Kim*, “Generation of an acoustically bright zone within an illuminated region using multiple sources,” Journal of the Acoustical Society of America(JASA), Vol. 111 (4), pp. 1695-1700, Apr 2002.

 

International Conference

2019

Jeongmin Liu, Byeongho Jo, Jung-Woo Choi, "Dereverberation Based on Deep Neural Networks with Directional Feature from Spherical Microphone Array Recordings," the 23rd International Congress on Acoustics (ICA 2019), Aachen, Germany, 9-13 September, 2019.

 

Byeongho Jo, Jung-Woo Choi, "Robust localization of early reflections in a room using semi real-valued EB-ESPRIT with three recurrence relations and Laplacian constraint," the 23rd International Congress on Acoustics (ICA 2019), Aachen, Germany, 9-13 September, 2019. 

Byeongho Jo, Jung-Woo Choi, "Experimental validation of vector-based EB-ESPRIT technique for the localization of early reflections in a reverberant room," InterNoise2019, Madrid, Spain, 16-19 June, 2019.

Hyungjun So, Jung-Woo Choi, "SUBBAND OPTIMIZATION AND FILTERING TECHNIQUE FOR PRACTICAL PERSONAL AUDIO SYSTEMS," 2019 IEEE International Conference on Acoustics, Speech, and Signal Processing, Brighton, UK, 12 -17 May, 2019.

2018

Soo Yeon Park, Jung-Woo Choi, "Iterative Echo Labeling Technique for Room Geometry Estimation,"  176th meeting of the Acoustical Society of America Victoria, Canada, p. 1882, 5-9 November, 2018.

Byeongho Jo, Jung-Woo Choi, "Nonsingular EB-ESPRIT for the localization of early reflections in a room," 176th meeting of the Acoustical Society of America Victoria, Canada, p. 1882, 5-9 November, 2018. (official site, pdf)

Byeongho Jo, Jung-Woo Choi, "Sine-based EB-ESPRIT for Source Localization," in Proc. of the 2018 IEEE 10th Sensor Array and Multichannel Signal Processing Workshop, Sheffield, UK, pp. 326-330, 8-11 July, 2018.

Jung-Woo Choi, "Personal Sound Zone for Automotive Applications: a review of personal audio technologies and applications," ICCE-Asia, Jeju, Korea, 24-26 June, 2018. (Invited paper)

2017

Soo Yeon Park, Eui Joong Shin, Byung Jin Cho, Jung-Woo Choi, "Resonator Design for Multiway Thermo-Acoustic Loudspeaker," in Proc. of the 46th International Congress and Exposition on Noise Control Engineering (Inter-noise 2017), Hong Kong, China, 27-30 August, 2017.

Dong-Hwan Kim, Jung-Woo Choi, "SPATIAL DELTA-SIGMA MODULATION FOR DIRECTIVITY CONTROL OF AN ACOUSTIC PIXEL ARRAY USING CNT," in Proc. of the 24th International Congress on Sound and Vibration (ICSV 24), London, United Kingdom, 23-27 July, 2017.

Guen-Soo jo, Jung-Woo Choi, "Subarray Processing with Shifted Coprime Arrays for Aperture Size Reduction," 174th meeting  Acoustical Society of America, New Orleans , Louisiana, USA, 4-8 December 2017

2016

Dong-Hwan Kim, Jung-Woo Choi, "Directivity control of a graphene loudspeaker array using elementwise switching technique" in Proc. of the 5th Joint Meeting Acoustical Society of America and Acoustical Society of Japan (ASA 172th), Honolulu, Hawaii, pp. 3312-3312, 28 Nov-2 Dec, 2016

Choi, J. W. "SOUND FIELD CONTROL IN THE INTERIOR AND EXTERIOR OF ELECTRIC VEHICLES." FISITA World Automotive Congress 2016. No. F2016-ETNV. The International Federation of Automotive Engineering Societies, 2016.

Byeongho Jo, Jung-Woo Choi, "Spherical harmonic smoothing technique for DOA estimation of fully coherent sources," in Proc. of the 22nd International Congress on Acoustics (ICA 2016), Buenos Aires, Argentina, paper 731, September 5-9, 2016

Jung-Woo Choi and Jeongju Ji, "A self-configurable, wireless audio system with user-tracking ability," in Proc. of the 2016 AES International Conference on Sound Field Control, Guildford, United Kingdom, 18-20 July, 2016.

Jung-Woo Choi and Jeongju Ji, "SELF-CONFIGURABLE LOUDSPEAKERS WITH HUMAN TRACKING ABILITY," in Proc. of the 23rd International Congress on Sound and Vibratiom (ICSV 23), Athens, Greece, 10-14 July, 2016.

2015

Jung-Woo Choi, Jin-Seok Hong, Yang-Hann Kim, “Generation of personal sound zones in the interior and exterior of automotive vehicles,” in Proc. of Inter-Noise 2015, San Francisco, USA, 9-12 August 2015.

Jung-Woo Choi, “Subband optimization for acoustic contrast control,” in Proc. of the 22nd International Congress on Sound and Vibration (ICSV 22), Florence, Italy, 12-16 July, 2015.

Jung-Woo Choi, “Coded excitation in space and time for the identification of geometric parameters using audio transducer arrays,” in Proc. of the 169th meeting of the Acoustical Society of America, JASA, vol. 137, issue 4, pp. 2238-2238, 18 May 2015

Yunmok Son, Hocheol Shin, Dongkwan Kim, Youngseok Park, Juhwan Noh, Kibum Choi, Jungwoo Choi, and Yongdae Kim, "Rocking Drones with Intentional Sound Noise on Gyroscopic Sensors," 24th USENIX  Security Symposium, August 14-19, 2015.

2014

Jung-Woo Choi, “Sound Sketch,” Plenary Lecture, Inter-Noise 2014, Melbourne, Australia, November 16-19, 2014. 

Jung-Min Lee, Jung-Woo Choi and Yang-Hann Kim, "Manipulation of source width based on sound field reproduction," Proceedings of Inter-Noise 2014, Melbourne, Australia, November 16-19, 2014. 

Dong-Soo Kang, Jung-Woo Choi, Yang-Hann Kim and William L. Martens, "Distance perception of a nearby virtual sound source reproduced by a linear loudspeaker array," Proceedings of Inter-Noise 2014, Melbourne, Australia, November 16-19, 2014. 

Ki-Won Kim, Jung-Woo Choi and Yang-Hann Kim, "Detection and direction estimation of a sudden loud sound for the hearing assistive eyeglasses," Proceedings of Inter-Noise 2014, Melbourne, Australia, November 16-19, 2014. 

Hyosu Kim, SangJeong Lee, Jung-Woo Choi, Hwidong Bae, Jiyeon Lee, Junehwa Song, Insik Shin “Mobile Maestro: Enabling Immersive Multi-Speaker Audio Applications on Commodity Mobile Devices,” Ubicomp ’14, the 2014 ACM International Joint Conference on Pervasive and Ubiquitous Computing, Seattle, WA, USA, September 13 - 17 2014. 

Franz Zotter, Matthias Frank, Matthias Kronlachner, Jung-Woo Choi, “Efficient Phantom Source Widening and Diffuseness in Ambisonics,” EAA Joint Symposium on Auralization and Ambisonics 2014, Berlin, Germany, April 3-5, 2014. 

Jung-Woo Choi and Yang-Hann Kim, “Reproduction of higher order virtual sources using loudspeaker arrays,” in Proc. of the 167th meeting of the Acoustical Society of America, Providence, Rhode Island, USA, 5-9 May 2014. 

Dong-Soo Kang, Jung-Woo Choi and Yang-Hann Kim, “Distance perception in the sound field reproduced by a linear loudspeaker array,” in Proc. of the 167th meeting of the Acoustical Society of America, Providence, Rhode Island, USA, 5-9 May 2014. 

Dae-Hoon Seo, Jung-Woo Choi, and Yang-Hann Kim, “Buzz, squeak, and rattle noise classification by using acoustic fingerprinting technology,” in Proc. of the 167th meeting of the Acoustical Society of America, Providence, Rhode Island, USA, 5-9 May 2014.

2013

Jung-Woo Choi, “Multipole, spherical harmonics and integral equation for sound field reproduction,” in Proc. of the 166th meeting of Acoustical Society of America, Held in San Francisco, USA, Dec 2-6, J. Acoust. Soc. Am., Vol. 134, No. 4, 3998, 2013. 

Yang-Hann Kim, Jung-Woo Choi, Min-Ho Song, “Objective functions incorporating various norms for the three-dimensional sound manipulation,” in Proc. of the 166th meeting of Acoustical Society of America, Held in San Francisco, USA, Dec 2-6, J. Acoust. Soc. Am., Vol. 134, No. 4, p. 4170, 2013. 

Jung-Woo Choi, “Extension of perceived source width using sound field reproduction systems,” presented in International Congress on Acoustics (ICA) 2013, POMA Vol. 19, pp. 055006, June 02, 2013. 

Dong-Soo Kang, Jung-Min Lee, Jung-Woo Choi, Minho Song, and Yang-Hann Kim, “Virtual sound source generation: Its various methods and performances,” presented in International Congress on Acoustics(ICA) 2013, POMA Vol. 19, pp. 055004, June 02, 2013. 

Minho Song, Jung-Woo Choi, and Yang-Hann Kim, “Pre-echo artifact in generating a focused source,” presented in International Congress on Acoustics (ICA) 2013, POMA Vol. 19, pp. 055057, June 03, 2013. 

GunWoo Lee, Aran Cha, SeoungHun Kim, YoungTae Kim, and JungWoo Choi, “Reduction of sound leakage in handheld devices using open loop control,” presented in International Congress on Acoustics 2013, POMA Vol. 19, pp. 030056, June 04, 2013. 

2012

Jung-Woo Choi and Yang-Hann Kim, "Theories and Signal Processing Techniques for the Implementation of Sound Ball in Space Using Loudspeaker Array," APSIPA Annual Summit and Conference 2012, Dec 3-6, 2012, California, USA 

Jung-Woo Choi and Yang-Hann Kim, "Two-dimensional expression of sound by beamforming and acoustic holography: their similarities and differences," in Proceedings of InterNoise2012, August 19-22, New York City, USA, 2012. 

Ki-Won Kim, Jung-Woo Choi, and Yang-Hann Kim, "Development of sound-visualization glasses," in Proceedings of Inter-Noise 2012, August 19-22, New York City, USA, 2012. 

Koo-Hwan Kim, Jung-Woo Choi, and Yang-Hann Kim, "Partial source decomposition for beamforming in multiple incoherent sources," in Proceedings of Inter-Noise 2012, August 19-22, New York City, USA, 2012. 

Dae-Hoon Seo, Yang-Hann Kim, and Jung-Woo Choi, "A novel means to find where BSR noise is by using beamforming based on audio-fingerprint technology," in Proceedings of InterNoise2012, August 19-22, New York City, USA, 2012. 

Aran Cha, Se-Woon Jeon, Dae-Hee Youn, Young-Cheol Park, Jung-Woo Choi, Gun-Woo Lee, Seoung-Hun Kim, YoungTae Kim, “Active control of sound leakage in handheld sound devices,” in Proceedings of InterNoise2012, August 19-22, New York City, USA, 2012. 

J. –W. Choi, and Y. –H. Kim, “Reproduction of the sound field from a virtual source inside of loudspeaker arrays,” in Proc. of 163rd meeting of Acoustic Society of America, Held in Hong Kong, China, May 13-18, J. Acoust. Soc. Am., Vol. 131, No. 4, Pt. 2, 2012. 

J. –W. Choi, and Y. –H. Kim, "General integral equation for the with-height reproduction of focused source inside," in Proc. of the 132nd AES Convention, April 26-29, 2012, Held in Budapest, Hungary, preprint 8602, 2012. 

J. –M. Lee, J. –W. Choi, D. –S. Kang, and Y. –H. Kim, "Reproduction of proximity virtual sources using a line array of loudspeakers," ," in Proc. of the 132nd AES Convention, April 26-29, 2012, Held in Budapest, Hungary, preprint 8618, 2012 

2011

J. Cheer, S. J. Elliott, Y. –T. Kim, J. –W. Choi, “The effect of finite sized baffles on mobile device personal audio,” in Proc. of the 130th convention of Audio Engineering Society, Preprint 8326,Held in London, UK, May 13-16, 2011 

2010

J. –W. Choi, Y. –T. Kim, S. –C. Ko, J. –H. Kim, “A Differential Approach for the Implementation of Superdirective Loudspeaker Array,” in Proc. of the 128th convention of Audio Engineering Society, Preprint 8032, Held in London, UK, May 22-25, 2010 

2008

J. –W. Choi, S. –C. Ko, J. –H. Kim, Y. –T. Kim, “'Super-directive loudspeaker array for the generation of a personal sound zone,” in Proc. of the 125th convention of Audio Engineering Society, Preprint 7620, Held in San Francisco, October 2-5, 2008 

2006

J. -W. Choi and Y. –H. Kim, "Wave front design by acoustic contrast control," in Proc. of the 152nd Meeting (4th joint meeting of the Acoustical Society of America and the Acoustical Society of Japan), Honolulu, Hawaii, Paper 1pUW13, Nov 2006 (J. Acoust. Soc. Am., Vol. 120, No. 5, Pt. 2, p.3050, 2006) 

2005

J. -W. Choi, J. -H. Jang and Y. -H. Kim, "Wavefront control by wavenumber domain focusing," in Proc. of 150th meeting of Acoustic Society of America, Held in Minneapolis, Minnesota, October 17-21, 2005, (abstract) J. Acoust. Soc. Am., Vol. 118 (3) Pt. 2, pp. 1968, September 2005 

J. -W. Choi, J. -H. Jang and Y. -H. Kim, " A unified approach for the spatial enhancement of sound," in Proc. of 150th meeting of Acoustic Society of America, Held in Minneapolis, Minnesota, October 17-21, 2005, (abstract) J. Acoust. Soc. Am., Vol. 118 (3) Pt. 2, pp. 1968, September 2005 

Y. –H. Kim and J. -W. Choi, "A means to see noise sources," in Proc. of 150th meeting of Acoustic Society of America, Held in Minneapolis, Minnesota, October 17-21, 2005, (abstract) J. Acoust. Soc. Am., Vol. 118 (3) Pt. 2, pp. 1916, September 2005 

2004

J. –W. Choi and Y. –H. Kim, “Active control for enhancement of sound field,” in Proc. of Active 04, Held in Williamsburg, Virginia, paper 042(on CD-ROM), September 20-22, 2004. 

J. –W. Choi and Y. –H. Kim, “A generalized method to optimize acoustic intensity field by using source array,” in Proc. of ICA 2004, Held in Kyoto, Japan, paper We2.D.5(on CD-ROM), April 4-9, 2004. 

2003

J. –W. Choi and Y. –H. Kim, “A method for making acoustically bright intensity zone,” in Proc. of 146th meeting of Acoustical Society of America, Held in Austin, Texas, November 10-14, 2003 (abstract) J. Acoust. Soc. Am., Vol.114, No. 4, Pt. 2, p.2368, October 2003. 

J. -W. Choi and Y. -H. Kim, “Acoustic intensity optimization using source array,” in Proc. of INTER-NOISE 03, Held in Seogwipo, Korea, paper N777(on CD-ROM), August 25-28, 2003. 

2002

J. -W. Choi and Y. -H. Kim, “Generation of acoustically bright and dark zone using multiple sources,” in Proc. of INTER-NOISE 02, Held in Dearborn, Michigan, paper N202(on CD-ROM), August 19-21, 2002.

 

Domestic Conference

2018

Jeongmin Liu, Byeongho Jo, Jung-Woo Choi*, and Se-woon Jeon, "Dereverberation based on deep neural networks using acoustic intensity", the KSNVE Annual Autumn Conference 2019, Jeju, Korea, p.152, 23~25 October, 2019. 

Byeongho Jo, and Jung-Woo Choi*, "Vector-based EB-ESPRIT for direction-of-arrival estimation using spherical microphone array", the KSNVE Annual Spring Conference 2019, Pyeongchang, Korea, p.66, 20~22 February, 2019. 

Minsung Kang, and Jung-Woo Choi*, "Combination of Multiple Higher Order Microphones by using Shanks transform", the KSNVE Annual Spring Conference 2019, Pyeongchang, Korea, p.177, 20~22 February, 2019. 

Hyungjun So, and Jung-Woo Choi*, "Subband Optimization and Filtering Technique for Personal Audio System in Car Cabin", the KSNVE Annual Spring Conference 2019, Pyeongchang, Korea, p.178, 20~22 February, 2019.

2018

Minsung Kang, and Jung-Woo Choi*, "Reproduction of 2D Sound Field in Translated Coordinates using Shanks transform", the KSNVE Annual Autumn Conference 2018, Yeosu, Korea, p.76, 17~20 October, 2018.

Hyungjun So, Kyeongseok Jeong, and Jung-Woo Choi*, "Design of Frequency Warped Filter to Improve Low Frequency Performance of Personal Sound System in Car Cabin", the KSNVE Annual Autumn Conference 2018, Yeosu, Korea, p.77, 17~20 October, 2018.

Byeongho Jo, Jung-Woo Choi*, "Nonsingular EB-ESPRIT for direction of arrival estimation with spherical microphone array", the KSNVE Annual Spring Conference 2018, Jeju, Korea, p.330, 25-28 April, 2018

Soo Yeon Park, Jung-Woo Choi*, “Room Estimation using Convex Hull Algorithm”, the KSNVE Annual Spring Conference 2018, Jeju, Korea, p.250, 25-28 April, 2018

Sooyoung Park, Jung-Woo Choi*, “Wall Impedance Estimation using Optimization”, the KSNVE Annual Spring Conference 2018, Jeju, Korea, p.252, 25-28 April, 2018

2017

Byeongho Jo, Jung-Woo Choi*, "Spherical Harmonic Smoothing for DOA Estimation of Fully Coherent Sources" in Proc. of 2017 Joint Conference by KSVNE, ASK and KSME(DC), Gwangju, Korea, p. 151, 26-28 April, 2017

Soo Yeon Park, Choong Sun Kim, Eui Joong Shin, Byung Jin Cho, Jung-Woo Choi*, "Resonator Design for Multiway Thermo-Acoustic Loudspeaker" in Proc. of 2017 Joint Conference by KSVNE, ASK and KSME(DC), Gwangju, Korea, p. 372, 26-28 April, 2017

Dong-Hwan Kim, Jung-Woo Choi*, "Directivity control of CNT loudspeaker array using elementwise switching technique" in Proc. of 2017 Joint Conference by KSVNE, ASK and KSME(DC), Gwangju, Korea, p. 456, 26-28 April, 2017

Guen-Soo Jo, Jung-Woo Choi*, "Subarray Configuration Technique for DOA Estimation" in Proc. of 2017 Joint Conference by KSVNE, ASK and KSME(DC), Gwangju, Korea, p. 489, 26-28 April, 2017

노재규, 최정우, "Ambisonics Decoding on High Frequency for Loudspeaker-based Virtual Reality", 2017년도 한국음향학회 추계학술발표대회, 2017

2016

Eui Joong Shin, Choong Sun Kim, Dong Hwan Kim, Jung-Woo Choi and Byung Jin Cho, "Frequency Controlled Thermo-acoustic Resonator Using a Vertically Aligned CNT Sheet", The 8th International Conference on Recent Progress in Graphene Research (RPGR) 2016, Seoul, Korea, September 25-29, 2016. 

지정주, 최정우, "Self-configurable loudspeaker array with user tracking ability", 2016년도 한국음향학회 정기총회 및 추계학술발표대회, 2016.

 

Article

2016

Jung-Woo Choi, Byung Jin Cho, and Insik Shin. "Toward the Holographic Reconstruction of Sound Fields Using Smart Sound Devices." IEEE MultiMedia 23.3 (2016): 64-74.

 

Patents

2018

조병호, 최정우, 국방과학연구소, 구형 마이크로폰 어레이 시스템 및 비특이성을 가지는 EB-ESPRIT을 이용한 음원의 입사 방향 추정 방법, 대한민국특허청, 10-2018-0095685, 2018.08.16

2017

조병진, 김충선, 최정우, 김상욱, 이경은, 삼차원 그래핀을 이용한 이차원 평면형 열음향 스피커 및 그 제조 방법, 대한민국특허청, 10-1699796, 2017.1.19

최정우, 김동환, 단일 채널 입력을 이용한 음장의 지향성 제어 방법 및 장치, 대한민국특허청, 10-2017-0127932, 2017.09.29

2016

조병진, 최정우, 홍슬기, 김충선, 그래핀 열음향 스피커 및 그 제조방법, 대한민국특허청, 10-2016-0070638, 2016.6.20

2013

Yang-Hann Kim, Jung-Woo Choi, Ji-Ho Chang, Jin-Young Park and Chan-Hui Lee, Sound system, sound reproducing apparatus, sound reproducing method, monitor with speakers, mobile phone with speakers, US Patent Registration, 8369536, 2013.2.5

2012

Seoung-Hun Kim, Young-tae Kim, Sun-min Kim, Sang-Chul Ko, Jung-Woo Choi, Method and apparatus for reproducing front surround sound, US patent Application, 13/218072, 2012.3.7 

Sang-Chul Ko, Young-tae Kim, Jung-ho Kim, Jung-Woo Choi, Apparatus and method for controlling acoustic radiation pattern output, US patent Registration, 8125851, 2012.2.28

Jung-ho Kim, Youngtae Kim, Sang-chul Ko, Jung-Woo Choi, Apparatus and method for controlling distortions of amplifier, US patent Registration, 8115548, 2012.2.14 

2011

Jung-Woo Choi, Young-tae Kim, Jung-ho Kim, Sang-chul Ko, Method of and apparatus for controlling sound field through array speaker, US patent Registration, 8045722, 2011.10.25 


Jung-ho Kim, Young-tae Kim, Sang-chul Ko, Jung-Woo Choi, Apparatus and method for estimating power amplifier, US patent Registration, 8040179, 2011.10.18 

2010

Jung-Woo Choi, Jung-ho Kim, Young-tae Kim, Sang-chul Ko, Sound enhancement apparatus and method, US patent Application, 12/957474, 2010.12.01 

 

Sang-Chul Ko, Young-tae Kim, Jung-Ho Kim, Jung-Woo Choi, APPARATUS AND METHOD FOR GENERATING AN ACOUSTIC RADIATION PATTERN, US patent Application, 12/903347, 2010.10.13 


Jung-Woo Choi, Young-tae Kim, Jung-Ho Kim, Sang-chul Ko, Apparatus and method for generating directional sound, US patent Application, 12/876963, 2010.9.7 

Young-tae Kim, Jung-Woo Choi, Jung-ho Kim, Sang-Chul Ko, APPARATUS AND METHOD FOR SOUND FOCUSING , US patent Application, 12/780099, 2010.5.14 

2009

Jung-Woo Choi, Young-tae Kim, Jung-ho Kim, Sang-chul Ko, Apparatus and Method for Generating Directional Sound, US patent Application, 12/634054, 2009.12.9 

Jung-Woo Choi, Young-tae Kim, Jung-ho Kim, Sang-chul Ko, Directional sound generating apparatus and directional speaker array, US patent Application, 12/554951, 2009.9.7 

Young-tae Kim, Jung-ho Kim, Sang-Chul Ko, Jung-Woo Choi, APPARATUS AND METHOD OF PROCESSING SOUND, US patent Application, 12/554046, 2009.9.4 


Sang-chul Ko, Young-tae Kim, Jung-ho Kim, Jung-Woo Choi, APPARATUS AND METHOD FOR FOCUSING SOUND IN ARRAY SPEAKER SYSTEM, US patent Application, 12/546878, 2009.8.25 

2008

Yang-Hann Kim, Jung-Woo Choi, Ji-Ho Chang, Jin-Young Park and Chan-Hui Lee, Sound system, sound reproducing apparatus, sound reproducing method, monitor with speakers, mobile phone with speakers, US Patent Application, GK-US105007, 2008. 11. 13.