Publications

International Journal

1. Jeong Woo Seo, Ho-Young Jung, "Eliminating Packing-Aware Masking via LoRA-Based Supervised Fine-Tuning of Large Language Models", Mathematics, Vol. 13, No. 20, pp. 3344, 2025 (2024-JCR-IF 2.2, Top 6%)

2. June-Woo Kim, Miika Toikkanen, Amin Jalali, Minseok Kim, Hye-Ji Han, Hyunwoo Kim, Wonwoo Shin, Ho-Young Jung*, Kyunghoon Kim*, "Adaptive Metadata-Guided Supervised Contrastive Learning for Domain Adaptation on Respiratory Sound Classification",  IEEE Journal of Biomedical and Health Informatics, Vol.29, No. 8, pp. 5381-5393, 2025 (2023-JCR-IF 6.7, Top 3.7%)

3. Dong-Uk Han, Subin Park, June-Woo Kim, Chan-Hyeong Lee, Ju-Hyun Bae, Ho-Young Jung, Moon-Chang Baek, Young Ki Hahn, "Multiplexed Detection Platform Implemented with Magnetic Encoding and Deep Learning-based Decoding for Quantitative Analysis of Exosomes from Cancers", Sensors and Actuators B: Chemical, Vol. 418, No. 1, pp. 136260, 2024  (2023-JCR-IF 8.0, Top 0.8%)

4. June-Woo Kim, Chihyeon Yoon, Ho-Young Jung, "A Military Audio Dataset for Situational Awareness and Surveillance", Scientific Data, Vol. 11, No. 11, pp. 668, 2024 (2022-JCR-IF 9.8, Top 14.4%)

5. June-Woo Kim, Hoon Chung, Ho-Young Jung, "Spectral Salt-and-Pepper Patch Masking for Self-Supervised Speech Representation Learning", Mathematics, Vol. 11, No. 15, pp. 3418, 2023 (2022-JCR-IF 2.4, Top 6.8%)

6. June-Woo Kim, Hoon Chung, Ho-Young Jung, "Unsupervised Representation Learning with Task-Agnostic Feature Masking for Robust End-to-End Speech Recognition", Mathematics, Vol. 11, No. 3, pp. 622, 2023 (2021-JCR-IF 2.592, Top 6.16%)

7. June-Woo Kim, Hyekyung Yoon, Ho-Young Jung, "Improved Spoken Language Representation for Intent Understanding in Task-oriented Dialogue System", Sensors, Vol. 22, No. 4, pp. 1509, 2022 (2020-JCR-IF 3.576, Top 21.09%)

8. June-Woo Kim, Hyekyung Yoon, Ho-Young Jung, "Linguistic-Coupled Age-to-Age Voice Translation to Improve Speech Recognition Performance in Real Environments," IEEE Access 9 (2021), 136476-136486 (2020-JCR-IF 3.367, Top 34.25%)

9. Hoon Chung, Sung-Joo Lee, Jeon-Gue Park, and Ho-Young Jung, “Rank Weighted Reconstruction Feature For Robust Deep Neural Network based Acoustic Model,” ETRI Journal, Vol. 41, No. 2, pp. 235-241, 2019

10. Yun-Kyung Lee, Ho-Young Jung, and Jeon Gue Park, “Online Blind Channel Normalization Using BPF-Based Modulation Frequency Filtering,” ETRI Journal, Vol. 38, No. 6, pp. 1190-1196, 2016

11. Sung-Hwan Shin, Ho-Young Jung, and Biing-Hwang Juang, “An Adaptation Utterance Verification Framework Using Minimum Verification Error Training,” ETRI Journal, Vol. 33, No. 2, pp. 423-433, 2011

12. Sung Joo Lee, Byung Ok, Ho-Young Jung, Yunkeun, and Hyung Soon Kim, “Statistical Model-Based Noise Reduction Approach for Car Interior Application to Speech Recognition,” ETRI Journal, Vol. 32, No. 5, pp. 801-809, 2010

13. Ho-Young Jung, Byung-Ok Kang and Yunkeun Lee “Model Adaptation Using Discriminative Noise Adaptive Training Approach for New Environments,” ETRI Journal, Vol. 30, No. 6, pp. 865-867, Dec 2008

14. Ho-Young Jung, “Adaptive Channel Normalization Based on Infomax Algorithm for Robust Speech Recognition,” ETRI Journal, Vol. 29, No. 3, pp. 300-304, June 2007

15. Ho-Young Jung, “Filtering of Filter-Bank Energies for Robust Speech Recognition,” ETRI Journal, Vol. 26, No. 3, pp. 273-276, June 2004

16. Ho-Young Jung, Mansoo Park, Hoi-Rin Kim, and Minsoo Hahn, “Speaker Adaptation Using ICA-Based Feature Transformation,” ETRI Journal, Vol. 24, No. 6, pp. 469-472, Dec. 2002

17. Jong-Hwan Lee, Te-Won Lee, Ho-Young Jung, and Soo-Young Lee, “On the Efficient Speech Feature Extraction Based on Independent Component Analysis,” Neural Processing Letter, Vol. 15, No. 3, pp. 235-245, June 2002

18. Ho-Young Jung and Soo-Young Lee, “On the Temporal Decorrelation of Feature Parameters for Noise-Robust Speech Recognition,” IEEE Trans. On Speech and Audio Processing, Vol. 8, No. 4, pp. 407-416, July 2000

19. Hyung-Min Park, Ho-Young Jung, Te-Won Lee, and Soo-Young Lee, “Subband-Based Blind Signal Separation for Noisy Speech Recognition,” Electronics Letters, Vol. 35, No. 23, pp. 2011-2012, Nov. 1999

20. H. Y. Jung, D. Y. Kim, and C. K. Un, “Frame Decorrelation for Noise-Robust Speech Recognition,” Electronics Letters, Vol. 32, No. 13, pp. 1163-1164, June 1996

International Proceeding

1. Safaa Abdullahi Moallim Mohamud and Ho-Young Jung*, "Actions and Objects Pathways for Domain Adaptation in Video Question Answering," International Conference on Neural Information Processing (ICONIP), 2024

2. June-Woo Kim, Miika Toikkanen, Yera Choi, Seoung-Eun Moon*, Ho-Young Jung*, "BTS: Bridging Text and Sound Modalities for Metadata-Aided Respiratory Sound Classification," Annual Conference of the International Speech Communication Association (INTERSPEECH), 2024 (Oral)

3. Suyoung Kim, Jiyeon Hwang, and Ho-Young Jung, "Contrastive and Consistency Learning for Neural Noisy-Channel Model in Spoken Language Understanding", Annual Conference of the North American Chapter of the Association for Computational Linguistics (NAACL), 2024 (Oral)

4. June-Woo Kim, Miika Toikkanen, Sangmin Bae, Minseok Kim*, Ho-Young Jung*, "RepAugment: Input-Agnostic Representation-Level Augmentation for Respiratory Sound Classification," International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2024.

5. June-Woo Kim, Sangmin Bae, Won-Yang Cho, Byungjo Lee, Ho-Young Jung, "Stethoscope-guided Supervised Contrastive Learning for Cross-domain Adaptation on Respiratory Sound Classification," 2024 IEEE International Conference on Acoustics, Speech & Signal Processing (ICASSP), 2024.

6. June-Woo Kim, Chihyeon Yoon, Miika Toikkanen, Sangmin Bae, Ho-Young Jung, "Adversarial Fine-tuning using Generated Respiratory Sound to Address Class Imbalance," Neural Information Processing Systems (NeurIPS) Workshop on Deep Generative Models for Health (NeurIPSW) 2023.

7. June-Woo Kim, Ho-Young Jung, and Minho Lee, "Vocoder-free End-to-End Voice Conversion with Transformer Network," IJCNN, P1904, 2020

8. Hoon Chung, Euisok Chung, Jeon Gue Park, and Ho-Young Jung, "Parameter Reduction For Deep Neural Network Based Acoustic Models Using Sparsity Regularized Factorization Neurons," IJCNN, P19122, 2019

9. Sunghwan Shin, Ho-Young Jung, and Biing-Hwang Juang, "Discriminative Training for direct minimization of deletion, insertion and substitution errors," Proc. of ICASSP, pp. 5328-5331, 2011

10. Sunghwan Shin, Ho-Young Jung, and Biing-Hwang Juang, "Individual Error Minimization Learning Framework and its Applications to Speech Recognition and Utterance Verification," Proc. of  INTERSPEECH, pp. 1713-1716, 2011

11. Sunghwan Shin, Ho-Young Jung, Tae-Yoon Kim, and Biing-Hwang Juang, "Discriminative linear-transform based adaptation using minimum verification error," Proc. of ICASSP, pp. 4318-4321, 2010

12. Kiyoung Park, Sung Joo Lee, Ho-Young Jung, and Yunkeun Lee, "Human-robot interface using robust speech recognition and user localization based on noise separation device," RO-MAN, pp. 328-333, 2009

13. Byung-Ok Kang, Ho-Young Jung, and Yun-Keun Lee, “Discriminative Noise Adaptive Training Approach for an Environment Migration,” Proc. Interspeech, pp. 2085-2088, 2007

14. Ho-Young Jung, “Noise-Robust Speech Recognition Based on the Blind High-Pass Filtering of Feature Parameters,” Proc. International Conference on Speech Processing, pp. 385-388, Aug. 2001

15. Jong-Hwan Lee, Ho-Young Jung, Tae-Won Lee, and Soo-Young Lee, “Speech Coding and Noise Reduction Using ICA-Based Speech Feature,” Proc. International Workshop on Independent Component Analysis and Blind Signal Separation, pp. 417-421, June 2000

16. Jong-Hwan Lee, Ho-Young Jung, Tae-Won Lee, and Soo-Young Lee, “Speech Feature Extraction Based on Independent Component Analysis,” Proc. International Conference on Acoustic, Speech, and Signal Processing, pp. 1631-1634, June 2000

17. Hyung-Min Park, Ho-Young Jung, Tae-Won Lee, and Soo-Young Lee, “On Subband-Based Blind Separation for Noisy Speech Recognition,” Proc. International  Conference on Neural Information Processing, pp. 204-209, Nov. 1999

Domestic Journal

1. June-Woo Kim and Ho-Young Jung, "End-to-end speech recognition models using limited training data", Phonetics and Speech Sciences, Vol.12 No.4, pp.63-71, Dec. 2020

2. June-Woo Kim and Ho-Young Jung, "Voice-to-voice conversion using transformer network," Phonetics and Speech Sciences, Vol. 12, No. 3, pp. 55-63, 2020

3. Ho-Young Jung, "On-Line Blind Channel Normalization for Noise-Robust Speech Recognition," IEIE Trans. on Smart Processing & Computing, Vol. 1, No. 3, pp. 143-151, 2012

4. Du Kyung Jung, Hwa Jeon Song, Ho-Young Jung, and Hyung Soon Kim, “Utterance Verification and Substitution Error Correction in Korean Connected Digit Recognition,” Journal of the Korean Society of Phonetic Science and Speech Technology, No. 45, pp. 79-91, March 2003

5. Hyung-Min Park, Ho-Young Jung, Te-Won Lee, and Soo-Young Lee, “Independent Component Analysis on a Subband Domain for Robust Speech Recognition,” Journal of the IEEK, Vol. 37CI, No. 6, pp. 306-315, 2000

6. Ho-Young Jung, “Blind Channel Normalization Based on the Temporal Decorrelation of Feature Parameters for Noisy Speech Recognition,” The 5th Series of Humantech Thesis Prize, pp. 229-236, Feb. 1999 (Silver Medal)

7. Ho-Young Jung, “On the Temporal Decorrelation of Feature Parameters for Noise-Robust Speech Recognition,” The 4th Series of Humantech Thesis Prize, pp. 358-367, Mar. 1998 (Bronze Medal)

8. H.-Y. Jung, D.Y. Kim, C.K. Un, and S.-Y. Lee, “Performance Improvement of Speech Recognizer in Noisy Environments Based on Auditory Modeling,” Journal of the Acoustical Society of Korea, Vol. 14, No. 5, pp. 51-57, Oct. 1995

9. I.J. Choi, O.-W. Kwon, J.-R. Park, C.K. Un, Y.K. Park, D.Y. Kim, and H.-Y. Jung,, “Development of large vocabulary continuous speech recognition systems,” Journal of the Acoustical Society of Korea, Vol. 14, No. 5, pp. 44-50, Oct. 1995

10. J.-R. Park, O.-W. Kwon, D.Y. Kim, I.J. Choi, H.-Y. Jung, and C.K. Un, “Speech data collection for Korean speech recognition,” Journal of the Acoustical Society of Korea, Vol. 14, No. 4, pp. 74-81, Aug. 1995

Domestic Proceeding

1. Suyoung Kim, Jiyeon Hwang, and Ho-Young Jung, "Token-aware Contrastive Learning (TCL) and Bootstrap Cross Latent (BCL) for Improved ASR Errors in Multimodal Environments," The 4th Korea Artificial Intelligence Conference, pp.11-12, 2023  (Best paper)

2. Eunji Yoon, and Ho-Young Jung, "Video Caption Generation based on Object Behaviors and Attributes", The 4th Korea Artificial Intelligence Conference, pp.11-12, 2023

3. June-Woo Kim, Suyoung Kim, Chihyeon Yoon, Jiyeon Hwang, and Ho-Young Jung, "CutMix-SupCon: Supervised Contrastive Learning with CutMix Augmentation for Multimodal-based Emotion Recognition," Korea Computer Congress (KCC), pp. 2112-2114, 2023

4. Ju-Seong Do, Seung-Hyun Lee, and Ho-Young Jung, "User Activity Prediction Based on Artificial Intelligence Using Real-World Wearable Sensor Lifelog Data," Korea Computer Congress (KCC), pp.2046-2048, 2023

5. June-Woo Kim, Dong-Hyun Kim, Ju-Seong Do, and Ho-Young Jung, "Strategies of utilizing pre-trained text and speech model-based feature representation for multi-modal emotion recognition," Korea Computer Congress (KCC), pp. 2282-2284, 2022

6. June-Woo Kim, Hyekyung Yoon, and Ho-Young Jung, "A Study on Training Language Model of Speech Recognized Text and Improvement of Spoken Language Intent Classification," The 2nd Korea Artificial Intelligence Conference, pp. 54-55, 2021

7. Dong-Hyun Kim, Ju-Seong Do, and Ho-Young Jung, "A Study on Learning Method for Multi-step Long-term Forecasting Using Short-term Iime Series Data," The 2nd Korea Artificial Intelligence Conference, pp. 48-49, 2021

8. Hyun Woo Kim, Euisok Chung, Hwa Jeon Song, and Ho-Young Jung, "Speech enhancement using memory network,"  Korea Computer Congress(KCC), pp. 1006-1008, 2018

9. Euisok Chung, Hyun Woo Kim, Hwa Jeon Song, and Ho-Young Jung, "Large Volume Sentence Embedding Indexing based Language Model Adaptation for Speech Recognition," Korea Computer Congress(KCC), pp. 973-975, 2018

10. Hyun Woo Kim, Ho-Young Jung, and Jeon Gue Park, "Speaking-rate decision using deep neural network," Korea Computer Congress(KCC), pp. 919-921, 2017

11. Euisok Chung, Hyung-Bae Jeon, Ho-Young Jung, and Jeon-Gue Park, "LM Clustering Based Dynamic LM Interpolation for ASR N-best Rescoring ," Proceedings of the 27th Annual Conference on Human and Cognitive Language Technology, pp. 240-245, 2015

12. Ho-Young Jung, “Speech Enhancement for Noise Adaptive Training-based Acoustic Modeling," Proc. Summer Confer. of IEIE, Vol. 36, pp. 1853-1855, 2013

13. Ho-Young Jung, “Robust Feature Extraction Based on the Decorrelation of Filter-Bank Energies,” Proc. KSCSP, Vol. 20, pp. 265-268, 2003

14. Sung Joo Lee and Ho-Young Jung, “Speech Enhancement Using Human Auditory Models,” Proc. KSCSP, Vol. 20, pp. 87-90, 2003

15. Sung Joo Lee, Ho-Young Jung, and Hyung Soon Kim, “Computationally Efficient Time-Scale Modification of Speech Using Level Crossing Information,” Proc. KSCSP, Vol. 20, pp. 395-398, 2003

16. Kap Kee Kim and Ho-Young Jung, “Performance Improvement of Connected Digit Recognition by Using Multiple Acoustic Models,” Proc. KSCSP, Vol. 20, pp. 429-432, 2003

17. Jeomja Kang, Ho-Young Jung, and Sanghun Kim, “The Speech Database Verification Method Based on Confidence Measure,” Proc. KSCSP, Vol. 20, pp. 101-104, 2003

18. SungTak Kim, Sangjin Kim, Ho-Young Jung, Hoi-Rin Kim, and Minsoo Hahn, “Performance Evaluation of Telephone Continuous Digit Recognition,” Proc. Summer Confer. of ASK, Vol. 21, pp. 253-256, 2002

19. Sanghun Kim, Seungshin Oh, Ho-Young Jung, Hyung-Bae Jeon, and Jeong-Se Kim, “Common Speech Database Collection,” Proc. Summer Confer. of ASK, Vol. 21, pp. 21-24, 2002

20. Hyung-Min Park, Ho-Young Jung, Te-Won Lee, and Soo-Young Lee, “An Efficient Noisy Speech Recognition Using Independent Component Analysis,” Proc. Joint Conference & Exhibition on Artificial Intelligence-Neural Networks and Fuzzy Systems, pp. 179-183, 1999

21. J. H. Lee, H. Y. Jung, T. W. Lee, and S. Y. Lee, “Speech Feature Extraction Using Independent Component Analysis,” Proc. Joint Conference & Exhibition on Artificial Intelligence-Neural Networks and Fuzzy Systems, pp. 297-300, 1999

International Patent

1. 정호영 외 3명, Apparatus and method for statistical memory network, 미국 US11526732B2, 2022.12.13

2. 정호영 외 7명, Sentence embedding method and apparatus based on subword embedding and skip-throughts, 미국 US11423238B2, 2022.08.13

3. 정호영 외 4명, Neural network memory computing system and method, 미국  US10929612B2, 2021.02.23

4. 정호영 외 3명, Method and apparatus for improving spontaneous speech recognition performance, 미국 US10388275B2, 2019.08.20

5. 정호영, Pre-Training Apparatus and Method for Speech Recognition, 미국 US9875737B2, 2018.01.23

6. 정호영 외 3명, Feature Compensation Apparatus and Method for Speech Recognition in Noisy Environment, 미국 US9799331B2, 2017.10.24

7. 정호영, Method and Apparatus for Generating Summarized Information, and Server for the Same, 미국 US9426411B2, 2016.08.23

8. 정호영 외 4명, Smart Watch, 미국 US9288301B2, 2016.03.15

9. 정호영, Apparatus and Method for Controlling Mobile Device by Conversation Recognition, and Apparatus for Providing Information by Conversation Recognition During Meeting, 미국 US9258406B2, 2016.02.09

10. 정호영 외 2명, Mobile Communication Terminal and Operating Method Thereof, 미국 US9100492B2, 2015.08.04

11. 정호영 외11명, Method for estimating language model weight and system for the same, 미국 US8666739B2, 2014.03.04

12. 정호영 외 11명, Noise reduction for speech recognition in a moving vehicle, 미국 US8504362B2, 2013.08.06

13. 정호영 외 11명, Utterance verification method and apparatus for isolated word N-best recognition result, 미국 US8374869B2, 2013.02.12

14. 정호영 외 11명, Method for separating source signals and apparatus thereof, 미국 US8364483B2, 2013.01.29

15. 정호영 외 1명, Model-based distortion compensating noise reduction apparatus and method for speech recognition, 미국 US8346545B2, 2013.01.01

16. 정호영 외 11명, Viterbi decoder and speech recognition method using same using non-linear filter for observation probabilities, 미국 US8332222B2, 2012.12.11

17. 정호영 외 9명, Noise cancellation system and method, 미국 US8296135B2 , 2012.10.23

18. 정호영 외 9명, Microphone array based speech recognition system and target speech extracting method of the system, 미국 US8249867B2, 2012.08.21

19. 정호영 외 2명, Apparatus and Method for Generating Noise Adaptive Acoustic Model for Environment Migration Including Noise Adaptive Discriminative Adaptation Method, 미국 US8234112B2, 2012.07.31

20. 정호영 외 9명, Apparatus and Method for Evaluating Performance of Speech Recognition, 미국 US8219396B2, 2012.07.10

21. 정호영, Channel Normalization Apparatus and Method for Robust Speech Recognition, 미국 US7702505B2, 2010.04.20

Domestic Patent

1. 음성 인식 노이즈에 강건한 언어 이해 방법 및 시스템, 대한민국 0159194, 2023.11.16

2. 인공지능 기반 다국어 자동 통번역 방법 및 장치, 대한민국 0150946, 2023.11.03

3. 인공지능 기반의 미래 이벤트 예측 장치 및 시스템, 대한민국 0088936, 2023.07.10

4. 자연어 음성인식의 성능향상을 위한 데이터 증강장치 및 방법, 대한민국 2158743, 2020.09.16

5. 스마트 워치, 대한민국 2116053, 2020.05.21

6. 자연어 대화체 음성을 인식하는 장치 및 방법, 대한민국 2069693, 2020.01.17

7. 주의집중 기반 문맥 종속 음향 모델을 이용한 음성 인식 장치 및 방법, 대한민국 2033411, 2019.10.11

8. 주파수 영역 NLMS 알고리즘을 사용하는 적응 필터의 수렴 인자 최적화 방법 및 그 장치, 대한민국 2028071, 2019.09.26

9. 자연어 인식 성능 개선 방법 및 장치, 대한민국 2017244, 2019.08.27

10. 잡음 환경에서의 음성 인식을 위한 특징 보상 장치 및 방법, 대한민국 1975057, 2019.04.26

11. 요약 정보 생성 방법, 장치 및 서버, 대한민국 1956373, 2019.03.04

12. 다중 음향공간 GMM을 이용한 음향모델 생성 방법, 대한민국 1892095, 2018.08.21

13. 음성인식을 위한 특징 추출 장치 및 방법, 대한민국 1756287, 2017.07.04

14. 불확실성을 이용한 잡음 환경에서의 음성 인식 방법 및 장치, 대한민국 1740637, 2017.05.22

15. 위상 왜곡을 보상한 실시간 음원분리장치, 대한민국 1735313, 2017.05.08

16. 언어모델 군집화 기반 음성인식 장치 및 방법, 대한민국 1727306, 2017.04.10

17. 음향 모델 생성 방법 및 그 장치, 대한민국 1697649, 2017.01.12

18. 한국어 연속 음성인식을 위한 컨퓨젼 네트워크 리스코어링 장치 및 이를 이용한 컨퓨젼 네트워크 생성 방법 및 리스코어링 방법, 대한민국 1444409, 2014.09.18

19. 복수개의 인식 결과를 생성하기 위한 음성 인식 장치, 대한민국 1241644, 2013.12.09

20. 음성 인식 방법 및 이를 위한 시스템, 대한민국 1330328, 2013.11.11

21. 음성 인식 장치 및 방법, 대한민국 1329281, 2013.11.07

22. 엔베스트 인식 단어 계산량 감소를 위한 2단계 발화검증 구조를 갖는 음성인식 장치 및 방법, 대한민국 1317339, 2013.10.04

23. 전자책 시스템에서 인터랙티브 컨텐츠 제공 장치 및 방법, 대한민국 1294024, 2013.08.01

24. 음원 분리 방법 및 그 장치, 대한민국 1280253, 2013.06.25

25. 사용자 음성을 이용한 위치 추적 장치 및 그 방법, 대한민국 1253610, 2013.04.05

26. 음성인식을 위한 모델기반 왜곡 보상형 잡음 제거 장치 및 방법, 대한민국 1253102, 2013.04.04

27. 음성인식 기반 국제회의 통역 장치 및 방법, 대한민국 1233655, 2013.02.08

28. 단어별 신뢰도 문턱값에 기반한 발화 검증 장치 및 그 방법, 대한민국 1229108, 2013.01.28

29. 고립어 엔베스트 인식결과를 위한 발화검증 방법 및 장치, 대한민국 1217524, 2012.12.26

30. 비터비 디코더와 이를 이용한 음성 인식 방법, 대한민국 1217525, 2012.12.06

31. 음질 향상 장치와 음성 인식 시스템 및 방법, 대한민국 1239318, 2012.02.26

32. 발화 검증 장치 및 그 방법, 대한민국 1095865, 2011,12,13

33. 연속 숫자의 음성 인식에 있어서 혼동행렬과 신뢰도치 기반의 다중 인식후보 생성 장치 및 방법, 대한민국 1095864, 2011.12.13

34. 리모트 컨트롤러, 입력 인터페이스 제어 장치 및 방법, 대한민국 1092364, 2011.12.05

35. 다채널 잡음처리 장치 및 방법, 대한민국 1082839, 2011.11.07

36. 잡음 제거 장치 및 방법, 대한민국 1082837, 2011.11.07

37. 음성과 잡음 신호 분리 방법 및 그 장치, 대한민국 1082840, 2011.11.07

38. 네비게이션 기기에서 음성인식 대상 키워드의 생성장치 및 방법, 대한민국 1079653, 2011.10.28

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