Smart Sound Lab

Publications

2026

Distilling Selective Patches for Speech Enhancement

DoHwan Kim, Jung-Woo Choi

IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Barcelona, Spain, 2026, 2026

Can Large Audio Language Models Understand Audio Well?

Han Yin, Jung-Woo Choi

IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Barcelona, Spain, 2026, 2026

Navigating Target Sound Extraction With Effective Directional Clue Integration

Dayun Choi, Jung-Woo Choi

IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Barcelona, Spain, 2026, 2026

Neural Acoustic Multipole Splatting for Room Impulse Response Synthesis

Geonwoo Baek, Jung-Woo Choi

IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Barcelona, Spain, 2026, 2026

2025

DeepASA: An Object-Oriented One-for-All Network for Auditory Scene Analysis

D. Lee, Y. Kwon, and J-W. Choi

Conference on Neural Information Processing Systems (NeurIPS), San Deigo, USA, 2025

Self-Guided Target Sound Extraction and Classification through Universal Sound Separation Model and Multiple Clues

Y. Kwon, D. Lee, D. Kim, and J-W. Choi

DCASE workshop, Barcelona, Spain, 2025

Description on 2025 ICSV AI challenge: Anomalous drone detection from sounds recorded in noisy environments

S. Park, J. Choi and J-W. Choi

31st International Congress on Sound and Vibration, Incheon, Korea, July, 2025

Complex room geometry inference via acoustic echoes

I. Yeon and J-W. Choi

Forum acusticum euronoise 2025. EAA (european acoustics association), 2025

Universal auditory scene analysis model for source separation, event localization, and detection

D. Lee and J-W. Choi

Forum acusticum euronoise 2025. EAA (european acoustics association), 2025

Target detection and classification via multi-task learning of prediction and classification

Y. Kim, S. Choi, W. Choi, and J-W. Choi

31st International Congress on Sound and Vibration, Incheon, Korea, July, 2025

DeFT-Mamba: Universal Multichannel Sound Separation and Polyphonic Audio Classification

D. Lee and J-W. Choi

IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Hyderabad, India, Apr, 2025

Multichannel-to-Multichannel Target Sound Extraction Using Direction and Timestamp Clues

D. Choi and J-W. Choi

IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Hyderabad, India, Apr, 2025

2024

RGI-NET: 3D Room Geometry Inference from Room Impulse Responses in Absence of First-order Echoes

I. Yeon and J-W. Choi

IWAENC, Aalborg, Denmark, 2024

DeFTAN-AA: Array Geometry Agnostic Multichannel Enhancement

D. Lee and J-W. Choi

INTERSPEECH, Kos Island, 2024

Integrating Mixup and ArcFace for Enhanced Anomalous Sound Detection

J. Choi and J-W. Choi

Inter-Noise, Nantes, France, 2024

Echo-aware Room Impulse Response Generation

S. Kim, J. Yoo, and J.-W. Choi

Journal of the Acoustical Society of America, vol. 156, Issue 1, pp.623-637, 2024

VoiceLDM: Text-to-Speech with Environmental Context

Y. Lee, I. Yeon, J. Nam, and J-S Chung

IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Seoul, Korea, 2024

CST-FORMER: Transformer with Channel-Spectro-Temporal Attention for Sound Event Localization and Detection

Y. Shul and J-W. Choi

IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Seoul, Korea, 2024

Research for Drone Target Classification Method Using Deep Learning Techniques

S. Choi, I. Cho, J. Hyun, W. Choi, S. Sohn, and J.-W. Choi

Journal of the Korea Institute of Military Science and Technology, Vol. 27, No. 2, pp. 189-196, 2024

EchoScan: Scanning Complex Room Geometries via Acoustic Echoes

I. Yeon, I. Jeong, S. Lee, and J-W. Choi

IEEE/ACM Transactions on Audio, Speech, and Language Processing (TASLP), 2024

Noisy-ArcMix: Additive Noisy Angular Margin Loss Combined With Mixup Anomalous Sound Detection

S. Choi and J-W. Choi

IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Seoul, Korea, 2024

DeFTAN-II: Efficient Multichannel Speech Enhancement with Subgroup Processing

D. Lee and J-W. Choi

IEEE/ACM Transactions on Audio, Speech, and Language Processing (TASLP), 2024

2023

Impact of Direct-to-Reverberation Ratio and Interaural Cross-Correlation on Externalization in Binaural Audio Rendering

T. Choe and J-W. Choi

Acoustics 2023, Sydney, Australia, 2023

Target sound extraction on reverberant mixture

D. Choi and J-W. Choi

Acoustics 2023, Sydney, Australia, 2023

Divided spectro-temporal transformer for sound event localization and detection in real scenes

Y. Shul and J-W. Choi

Acoustics 2023, Sydney, Australia, 2023

DeFT-AN RT: Real-time Multichannel Speech Enhancement using Dense Frequency-Time Attentive Network and Non-overlapping Synthesis Window

D. Lee and J-W. Choi

INTERSPEECH 2023, Dublin, Ireland, 2023

Prediction-segmentation tasks for self-supervision of anomaly detection networks under noisy conditions

J. Choi and J-W. Choi

Inter-Noise2023, Chiba, Japan, 2023

Six degrees-of-freedom room impulse response dataset measured over a dense loudspeaker grid (6DRIR-DL)

J-W. Choi and F. Zotter

AES International Conference on Spatial and Immersive Audio, Huddersfield, 2023

Sound-based drone fault classification using multi-task learning

W. Yi, J-W. Choi., J-W. Lee

Proceedings of the 29th International Congress on Sound and Vibration (ICSV 29), Prague, Czech Republic, 2023

Multifocal skull-compensated transcranial focused ultrasound system for neuromodulation applications based on acoustic holography

G. Kook, Y. Jo, C. Oh, X. Liang, J. Kim, S-M. Lee, S. Kim, J-W. Choi, and H. J. Lee

Microsystems & Nanoengineering, vol.9, no.1, 2023

Noise-based self-supervised anomaly detection in washing machines using a deep neural network with operational information

Y. Shul, W. Yi, J. Choi, D-S. Kang, and J-W. Choi

Mechanical Systems and Signal Processing, vol.189, 2023

DeFT-AN: Dense Frequency-Time Attentive Network for Multichannel Speech Enhancement

D. Lee and J-W. Choi

IEEE Signal Processing Letters, vol.30, pp.155 - 159, 2023

Inter-Channel Conv-TasNet for multichannel speech enhancement

D. Lee, S. Kim, and J-W. Choi

arXiv preprint arXiv:2111.04312., 2023

Sound field control in real and virtual auditory space

J-W. Choi

Proceedings of Noise and Vibration: Emerging Methods (NOVEM), Univ. of Auckland, New Zealand, 2023

RGI-Net: 3D Room Geometry Inference from Room Impulse Responses in the Absence of First-order Echoes

I. Yeon and J-W. Choi

arXiv preprint arXiv:2309.01513., 2023

2022

Multi-task learning for acoustic anomaly detection of machine sounds

J. Choi and J-W. Choi

PROCEEDINGS of the 24th International Congress on Acoustics, Gyeongju, Korea, 2022

On-site Noise Exposure technique for noise-robust machine fault classification

W. Yi and J-W. Choi

24th International Congress on Acoustics, Gyeongju, Korea, 2022

3D multi-source localization by joint ESPRIT with multiple spherical arrays

J-W. Choi and F. Zotter

24th International Congress on Acoustics, Gyeongju, Korea, 2022

3D Room Geometry Inference from Multi-channel Room Impulse Response using Deep Neural Network

I. Yeon and J-W. Choi

24th International Congress on Acoustics, Gyeongju, Korea, 2022

Inter-channel Conv-TasNet for source-agnostic multichannel audio enhancement

D. Lee and J-W. Choi

InterNoise2022, Glasgow, Scotland, 2022

Multiarray Eigenbeam-ESPRIT for 3D Sound Source Localization with Multiple Spherical Microphone Arrays

J-W. Choi, F. Zotter, B. Jo, and J-H. Yoo

IEEE/ACM Transactions on Audio, Speech, and Language Processing, vol.30, pp.2310-2325, 2022

Determinant-Based Generalized Sidelobe Canceller for Dual-Sensor Noise Reduction

J. Par, J. Hong, J-W. Choi, M. Hahn

IEEE Sensors Journal, vol.22, no.9, pp.8858-8868, 2022

Wafer-scale, highly uniform, and well-arrayed suspended nanostructures for enhancing the performance of electronic devices

Z-J. Zhao, J, Ahn, D. Lee, and J-W. Choi, I. Park, J-H. Jeong, et al.

Nanoscale, vol.14, no.4, pp.1136-1143, 2022

2021

Generation of a Near-field Sound Zone Using Broadside Differential Array

J-W. Choi

2021 Immersive and 3D Audio : from Architecture to Automotive (I3DA), Bologna, 2021

Direction-of-arrival estimation with blind surface impedance compensation for spherical microphone array

D. Lee, B. Jo, and J-W. Choi

JASA Express Letters, vol.1, no.7, 2021

Iterative Echo Labeling Algorithm With Convex Hull Expansion for Room Geometry Estimation

S. Park, and J-W. Choi

IEEE/ACM Transactions on Audio, Speech, and Language Processing vol.29, pp.1463-1478, 2021

2020

Personal audio system for neckband headset with low computational complexity

S-W. Jeon, and J-W. Choi

Journal of the Acoustical Society of America, vol.148, no.6, pp.3913-3927, 2020

Personal sound field manipulation in the wearable audio device

S-W. Jeon, and J-W. Choi

InterNoise2020, Seoul, 2020

Extended vector-based EB-ESPRIT using additional constraints for increasing the maximum number of detectable sources

B. Jo, F. Zotter, and J-W. Choi

InterNoise2020, Seoul, Korea, 2020

Extended Vector-Based EB-ESPRIT Method

B. Jo, F. Zotter, and J-W. Choi

IEEE/ACM Transactions on Audio, Speech, and Language Processing, vol.28, pp.1692-1705, 2020

Robust Sound Source Localization considering Similarity of Back-Propagation Signals

I. An, B. Jo, Y. Kwon, and J-W. Choi and S-E. Yoon

IEEE International Conference on Robotics and Automation (ICRA), Paris, France, 2020

2019

Robust localization of early reflections in a room using semi real-valued EB-ESPRIT with three recurrence relations and Laplacian constraint

B. Jo, and J-W. Choi

23rd International Congress on Acoustics, Aachen, Germany, 2019

Dereverberation Based on Deep Neural Networks with Directional Feature from Spherical Microphone Array Recordings

J. Liu, B. Jo, and J-W. Choi

23rd International Congress on Acoustics, Aachen, Germany, 2019

Experimental validation of vector-based EB-ESPRIT technique for the localization of early reflections in a reverberant room

B. Jo, J-W. Choi

InterNoise2019, Madrid, Spain, 2019

Subband optimization and filtering technique for practical personal audio systems

H. So, J-W. Choi

IEEE International Conference on Acoustics, Speech, and Signal Processing, Brighton, UK, 2019

Parametric direction-of-arrival estimation with three recurrence relations of spherical harmonics

B. Jo, and J-W. Choi

Journal of the Acoustical Society of America, vol.145, no.1, pp.480-488, 2019

2018

Nonsingular EB-ESPRIT for the localization of early reflections in a room

B. Jo, and J-W. Choi

176th meeting of the Acoustical Society of America, Victoria, Canada, 2018

Iterative Echo Labeling Technique for Room Geometry Estimation

S. Y. Park, and J-W. Choi

176th meeting of the Acoustical Society of America, Victoria, Canada, 2018

Sine-based EB-ESPRIT for Source Localization

B. Jo, and J-W. Choi

2018 IEEE 10th Sensor Array and Multichannel Signal Processing Workshop, Sheffield, UK, pp. 326-330, 2018

Personal Sound Zone for Automotive Applications: a review of personal audio technologies and applications

J-W. Choi

ICCE-Asia, Jeju, Korea, 2018

Direction of arrival estimation using nonsingular spherical ESPRIT

B. Jo, and J-W. Choi

Journal of the Acoustical Society of America, vol.143, no.3, pp. EL181-EL187, 2018

Construction of a Multiway Carbon Nanotubes Loudspeaker with Finely Tunable Resonance Frequencies

E. J. Shin, S. Park, C. S. Kim, B-J. Cho, and J-W. Choi

Advanced Materials Technologies, vol.3, no.2, 2018

2017

Subarray Processing with Shifted Coprime Arrays for Aperture Size Reduction

G-S. Jo, and J-W. Choi

174th meeting Acoustical Society of America, New Orleans, Louisiana, USA, 2017

Spherical Harmonic Smoothing for Localizing Coherent Sound Sources,”

B. Jo, and J-W. Choi

IEEE/ACM Transactions on Audio, Speech, and Language Processing, vol.25, no.10, pp.1969-1984, 2017

Guest Editors' Note-Special Issue on Spatial Audio

W-S. Gan, and J-W. Choi

Applied Sciences-Basel, vol.7, no.8, 2017

Resonator Design for Multiway Thermo-Acoustic Loudspeaker

S. Y. Park, E. J. Shin, B. J. Cho, and J-W. Choi

InterNoise2017, Hong Kong, China, 2017

Spatial Delta-Sigma modulation for directivity control of an acoustic pixel array using cnt

D-H Kim, and J-W. Choi

24th International Congress on Sound and Vibration (ICSV 24), London, United Kingdom, 2017

2016

Directivity control of a graphene loudspeaker array using elementwise switching technique

D-H Kim, and J-W. Choi

5th Joint Meeting Acoustical Society of America and Acoustical Society of Japan (ASA 172th), Honolulu, Hawaii, pp. 3312-3312, 2016

Spherical harmonic smoothing technique for DOA estimation of fully coherent sources

B. Jo, and J-W. Choi

22nd International Congress on Acoustics (ICA 2016), Buenos Aires, Argentina, pp. 731, 2016

Application of N-Doped Three-Dimensional Reduced Graphene Oxide Aerogel to Thin Film Loudspeaker

C. S. Kim, K. E. Lee, J-M. Lee, S. O. Kim, B-J. Cho, J-W. Choi

ACS Applied Materials & Interfaces, vol.8, no.34, pp.22295-22300, 2016

Toward the Holographic Reconstruction of Sound Fields Using Smart Sound Devices

J-W. Choi, B-J. Cho, I-S. Shin

IEEE Multimedia, vol.23, no.3, pp.64-74, 2016

Self-configurable loudspeakers with human tracking ability

J-W. Choi, and J. Ji

23rd International Congress on Sound and Vibratiom (ICSV 23), Athens, Greece, 2016

A self-configurable, wireless audio system with user-tracking ability

J-W. Choi, and J. Ji

2016 AES International Conference on Sound Field Control, Guildford, United Kingdom, 2016

Distance perception of a virtual sound source synthesized near the listener position

D. S. Kang, J-W. Choi, and W. L. Martens

Multimedia Tools and Applications, vol.75, no.9, pp.5161-5182, 2016

Free-Standing Graphene Thermophone on a Polymer-Mesh Substrate

C. S. Kim, S. K. Hong, J. M. Lee, D. S. Kang, B-J. Cho, and J-W. Choi

Small, vol.12, no.2, pp.185-189, 2016

Sound field control in the interior and exterior of electric vehicles

J. W. Choi

FISITA World Automotive Congress 2016. No. F2016-ETNV, 2016

2015

Identification of low-frequency noise sources in high-speed train via resolution improvement

H. M. Noh, and J-W. Choi

Journal of Mechanical Science and Technology, vol.29, no.9, pp.3609-3615, 2015

Rocking Drones with Intentional Sound Noise on Gyroscopic Sensors

Y. Son, and J-W. Choi, Y. Kim, et al.

24th USENIX Security Symposium, 2015

Generation of personal sound zones in the interior and exterior of automotive vehicles

J-W. Choi, J-S. Hong, Y-H. Kim

InterNoise2015, San Francisco, USA, 2015

Subband optimization for acoustic contrast control

J-W. Choi

22nd International Congress on Sound and Vibration (ICSV 22), Florence, Italy, 2015

Coded excitation in space and time for the identification of geometric parameters using audio transducer arrays

J-W. Choi

169th meeting of the Acoustical Society of America, vol. 137, issue 4, pp. 2238-2238, 2015

Reproduction of a higher-order circular harmonic field using a linear array of loudspeakers

J. Lee, J-W. Choi, and Y-H. Kim

Journal of the Acoustical Society of America, vol.137, no.3, 2015

2014

Impulsive sound source localization using peak and RMS estimation of the time-domain beamformer output

D. H. Seo, Jung-Woo, Choi, and Y-H. Kim

Mechanical Systems and Signal Processing, vol.49, no.1-2, pp.95-105, 2014

Detection and direction estimation of a sudden loud sound for the hearing assistive eyeglasses

K-W. Kim, J-W. Choi, and Y-H. Kim

InterNoise2014, Melbourne, Australia, 2014

J-W. Choi

Plenary Lecture, InterNoise2014, Melbourne, Australia, 2014

Mobile Maestro: Enabling Immersive Multi-Speaker Audio Applications on Commodity Mobile Devices

H. Kim, S. Lee, J-W. Choi, H. Bae, J. Lee, J. Song, and I. Shin

2014 ACM International Joint Conference on Pervasive and Ubiquitous Computing, Seattle, WA, USA, 2014

Buzz, squeak, and rattle noise classification by using acoustic fingerprinting technology

D-H. Seo, J-W. Choi, Y-H. Kim

167th meeting of the Acoustical Society of America, Providence, Rhode Island, USA, 2014

Distance perception in the sound field reproduced by a linear loudspeaker array

D-S. Kang, J-W. Choi, and Y-H. Kim

167th meeting of the Acoustical Society of America, Providence, Rhode Island, USA, 2014

Reproduction of higher order virtual sources using loudspeaker arrays

J-W. Choi, and Y-H. Kim

167th meeting of the Acoustical Society of America, Providence, Rhode Island, USA, 2014

Efficient Phantom Source Widening and Diffuseness in Ambisonics

F. Zotter, M. Frank, M. Kronlachner, and J-W. Choi

EAA Joint Symposium on Auralization and Ambisonics 2014, Berlin, Germany, 2014

Equalization filter design for downfiring flat television speakers

J. Jung, J-W. Choi, S, Park, and Y-H. Kim

Applied Acoustics, vol.76, pp.66-81, 2014

Distance perception of a nearby virtual sound source reproduced by a linear loudspeaker array

D-S. Kang, J-W. Choi, Y-H. Kim, and W. L. Martens

Proceedings of Inter-Noise 2014, Melbourne, Australia, November 16-19, 2014

Manipulation of source width based on sound field reproduction

J-M. Lee, J-W. Choi, and Y-H. Kim

Proceedings of Inter-Noise 2014, Melbourne, Australia, November 16-19, 2014

2013

Objective functions incorporating various norms for the three-dimensional sound manipulation

Y-H. Kim, J-W. Choi, and M-H. Song, Yang-Hann Kim, Jung-Woo Choi, Min-Ho Song

166th meeting of Acoustical Society of America, San Francisco, USA, Dec, J. Acoust. Soc. Am., vol. 134, no. 4, pp. 4170, 2013

Multipole, spherical harmonics and integral equation for sound field reproduction

J-W. Choi

166th meeting of Acoustical Society of America, San Francisco, USA, J. Acoust. Soc. Am., vol. 134, no. 4, pp. 3998, 2013

An Assistive Device for Direction Estimation of a Sound Source

K. W. Kim, J-W. Choi, and Y-H. Kim

Assistive Technology, vol.25, no.4, pp.216-221, 2013

Wave field synthesis of a virtual source located in proximity to a loudspeaker array

J-M. Lee, J-W. Choi, and Y-H. Kim

Journal of the Acoustical Society of America, vol.134, no.3, pp.2106-2117, 2013

Acoustic contrast sensitivity to transfer function errors in the design of a personal audio system

J-Y. Park, J-W. Choi, and Y-H. Kim

Journal of the Acoustical Society of America, vol.134, no.1, 2013

Reduction of sound leakage in handheld devices using open loop control

G-W. Lee, A. Cha, S-H. Kim, Y-T, Kim and J-W. Choi

International Congress on Acoustics 2013, POMA vol. 19, pp. 030056, 2013

Pre-echo artifact in generating a focused source

M. Song, J-W. Choi, and Y-H. Kim

International Congress on Acoustics (ICA) 2013, POMA Vol. 19, pp. 055057, 2013

Virtual sound source generation: Its various methods and performances

D-S. Kang, J-M. Lee, Jung-Woo Choi, Minho Song, and Yang-Hann Kim

International Congress on Acoustics (ICA) 2013, POMA vol. 19, pp. 055004, 2013

Extension of perceived source width using sound field reproduction systems

J-W. Choi

International Congress on Acoustics (ICA) 2013, POMA vol. 19, pp. 055006, 2013

Practical implementation of personal audio in a mobile device

J. Cheer, S. J. Elliott, Y. Kim, and J-W. Choi

Journal of the Audio Engineering Society, vol.61, no.5, pp.290-300, 2013

Sound Field Reproduction of a Virtual Source inside a Loudspeaker Array with Minimal External Radiation

J-W. Choi, and Y-H. Kim

IEEE Transactions on Audio, Speech, and Language Processing, vol.21, no.2, pp. 247-259, 2013

2012

Theories and Signal Processing Techniques for the Implementation of Sound Ball in Space Using Loudspeaker Array

J-W. Choi, and Y-H. Kim

APSIPA Annual Summit and Conference 2012, California, USA, Dec. 2012, 2012

Robustness and regularization of personal audio systems

S. J. Elliott, J. Cheer, J-W. Choi, and Y. Kim

IEEE Transactions on Audio Speech Language Processing, vol.20, no.7, pp. 2123-2133, 2012

Integral Approach for Reproduction of Virtual Sound Source Surrounded by Loudspeaker Array

J-W. Choi, and Y-H, Kim

IEEE Transactions on Audio, Speech, Language Processing, vol.20, no.7, pp.1976-1989, 2012

Active control of sound leakage in handheld sound devices

A. Cha, S-W. Jeon, D-H. Youn, Y-C Park, J-W. Choi, G-W. Lee, S-H. Kim, and Y-T. Kim

InterNoise2012, New York City, USA, 2012

Partial source decomposition for beamforming in multiple incoherent sources

K-H Kim, J-W. Choi, and Y-H. Kim

Inter-Noise 2012, New York City, USA, 2012

Development of sound-visualization glasses

K-W. Kim, J-W. Choi, and Y-H, Kim

Inter-Noise 2012, New York City, USA, 2012

Two-dimensional expression of sound by beamforming and acoustic holography: their similarities and differences

J-W. Choi, and Y-H. Kim

InterNoise2012, New York City, USA, 2012

Reproduction of the sound ﬁeld from a virtual source inside of loudspeaker arrays

J–W. Choi, and Y–H. Kim

163rd meeting of Acoustic Society of America, Hong Kong, China, J. Acoust. Soc. Am., Vol. 131, No. 4, Pt. 2, 2012

Reproduction of proximity virtual sources using a line array of loudspeakers

J–M. Lee, J–W. Choi, D–S. Kang, and Y–H. Kim

132nd AES Convention, Budapest, Hungary, preprint 8618, 2012

General integral equation for the with-height reproduction of focused source inside

J–W. Choi, and Y–H. Kim

132nd AES Convention, Budapest, Hungary, preprint 8602, 2012

A selective array activation method for the generation of a focused source considering listening position

M. Song, J-W. Choi, and Y-H. Kim

Journal of the Acoustical Society of America, vol.131, no.2, pp. EL156-162, 2012

A novel means to find where BSR noise is by using beamforming based on audio-fingerprint technology

D-H. Seo, Y-H. Kim, and J-W. Choi

InterNoise2012, New York City, USA Aug., 2012

2011

The effect of finite sized baffles on mobile device personal audio

J. Cheer, S. J. Elliott, Y–T. Kim, J–W. Choi

130th convention of Audio Engineering Society, Preprint 8326, London, UK, 2011

2010

A plane wave generation method by wave number domain point focusing

J. Chang, J-W. Choi, and Y-H. Kim

Journal of the Acoustical Society of America, vol.128, no.5, pp.2758-2767, 2010

A Differential Approach for the Implementation of Superdirective Loudspeaker Array

J–W. Choi, Y–T. Kim, S–C. Ko, J–H. Kim

128th convention of Audio Engineering Society, Preprint 8032, London, UK, 2010

2008

'Super-directive loudspeaker array for the generation of a personal sound zone

J–W. Choi, S–C. Ko, J–H. Kim, Y–T. Kim

125th convention of Audio Engineering Society, Preprint 7620, San Francisco, 2008

2006

Wave front design by acoustic contrast control

J-W. Choi and Y–H. Kim

152nd Meeting (4th joint meeting of the Acoustical Society of America and the Acoustical Society of Japan), Honolulu, Hawaii, Paper 1pUW13, J. Acoust. Soc. Am., Vol. 120, No. 5, Pt. 2, p.3050, 2006), 2006

2005

A means to see noise sources

Y–H. Kim and J-W. Choi

150th meeting of Acoustic Society of America, Minneapolis, Minnesota, (abstract) J. Acoust. Soc. Am., Vol. 118 (3) Pt. 2, pp. 1916, 2005

A unified approach for the spatial enhancement of sound

J-W. Choi, J-H. Jang and Y-H. Kim

150th meeting of Acoustic Society of America, Minneapolis, Minnesota, (abstract) J. Acoust. Soc. Am., Vol. 118 (3) Pt. 2, pp. 1968, 2005

Wavefront control by wavenumber domain focusing

J-W. Choi, J-H. Jang and Y-H. Kim

150th meeting of Acoustic Society of America, Minneapolis, Minnesota, (abstract) J. Acoust. Soc. Am., Vol. 118 (3) Pt. 2, pp. 1968, 2005

2004

Active control for enhancement of sound field

J–W. Choi and Y–H. Kim

Active 04, Williamsburg, Virginia, paper 042(on CD-ROM), 2004

Manipulation of sound intensity within a selected region using multiple sources

J-W. Choi, and Y-H, Kim

Journal of the Acoustical Society of America, vol.116, no.2, pp. 843-852, 2004

A generalized method to optimize acoustic intensity field by using source array

J–W. Choi and Y–H. Kim

ICA 2004, Kyoto, Japan, paper We2.D.5(on CD-ROM), 2004

2003

A method for making acoustically bright intensity zone

J–W. Choi and Y–H. Kim

146th meeting of Acoustical Society of America, Austin, Texas, 2003 (abstract) J. Acoust. Soc. Am., Vol.114, No. 4, Pt. 2, p.2368, 2003

Acoustic intensity optimization using source array

J-W. Choi and Y-H. Kim

InterNoise2003, Seogwipo, Korea, paper N777(on CD-ROM), 2003

2002

Generation of acoustically bright and dark zone using multiple sources

J-W. Choi and Y-H. Kim

InterNoise2002, Dearborn, Michigan, paper N202(on CD-ROM), 2002

1695

Generation of an acoustically bright zone within an illuminated region using multiple sources

J-W. Choi, and Y-H. Kim

Journal of the Acoustical Society of America, vol.111, no.4, pp.1695-1700, 1695