CHANWOO KIM (BIRTH: APR. 9, 1976) Language Technologies Institute School of Computer Science Aug. 8, 2005 present

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1 CHANWOO KIM (BIRTH: APR. 9, 1976) 2602E NSH Carnegie Mellon University 5000 Forbes Avenue Pittsburgh, PA Phone: RESEARCH INTERESTS Speech recognition system, speech signal processing Signal processing system design and implementation Signal processing system for embedded systems EDUCATION Ph. D. Student CARNEGIE MELLON UNIVERSITY Language Technologies Institute School of Computer Science Aug. 8, 2005 present M. S. Degree SEOUL NATIONAL UNIVERSITY School of Electrical and Computer Engineering (Advisor. Professor Wonyong Sung) Feb B. S. Degree SEOUL NATIONLA UNIVERSITY Graduate cum laude School of Electrical Engineering Feb High School SEOUL SCIENCE HIGH SCHOOL Feb TOEFL AND GRE TOEFL 283 (CBT) Aug GRE Verbal:550 Quant.:800 Writing:4.5 (PBT) Oct WORK EXPERIENCES LG Electronics Senior Research Engineer June Aug VOIP handset system (SIP protocol, conference system) Optimization of H.264 QCIF decoding codec for ARM926EJ-S processor In charge of H.223 for H.324M multimedia system for WCDMA Video Telephony (VT) system. Managing RTP, RTCP, and RTSP protocols for Video-on-Demand (VOD) systems

2 Implementation of VOD systems over EV-DO handset systems Video telephony (VT) system based on Session Initiation Protocol (SIP). Development of PC simulation tools using H.264, H.263, AAC and AAC+ codecs using VC++ VT system implementation using H.323 (H.263, EVRC and real time protocol stacks) over EV-DO system. Speech recognizer engine design and implementation (DTW and HMM) Simulation of various signal processing systems using MATLAB. Survey on Multimedia Platforms (TI OMAP, MiMagic6, SH-Mobile V, etc.) SK Teletech March 2003 May 2003 Handset UI Interface implementation Development of a Chinese font conversion program Edumedia Technologies Inc. Research Engineer Research Engineer (A venture company established by Prof. Wonyong Sung at Seoul National University) June July 2002 Design and implementation of intonation checking system. Design and implementation of vowel pronunciation checking system. Speech recognizers system design (using HTK and our own engine) Design and implementation of a recognizer based on DTW Development of various speech analysis tools with GUI using VC++ Note that in all of the following papers and patents, I am the 1st Author. INTERNATIONAL SCI/SCIE JOURNAL PAPERS [1] Chanwoo Kim and K-d. Seo, Robust DTW-based recognition algorithm for hand-held consumer devices, IEEE Trans. Consumer Electronics, vol. 51, no. 2, May 2005, pp [2] Chanwoo Kim, K-d. Seo, and W. Sung, A robust formant extraction algorithm combining spectral peak-picking and roots polishing, Eurasip Journ. Applied Signal Processing, accepted. [3] Chanwoo Kim, K-d. Seo, and W. Sung, Efficient audio/video synchronization method for video telephony, Electronics Letters, submitted for publication. PEER REVIEWED INTERNATIONAL CONFERENCE PAPERS [1] Chanwoo Kim and W. Sung, Vowel pronunciation accuracy checking system based on phoneme segmentation and formants extraction, in Proc. Int. Conf. Speech Processing, 2001, pp

3 [2] Chanwoo Kim and W. sung, Implementation of intonational quality assessment system, in Proc. Int. Conf. Spoken Language Processing, 2002, pp [3] Chanwoo Kim and K-d. Seo, Robust DTW-based recognition algorithm for hand-held consumer devices, in Proc. IEEE Int. Conf. Consumer Electronics, 2005, pp [4] Chanwoo Kim, K-d. Seo, and W. Sung, Efficient audio/video synchronization method for video telephony system in consumer cellular phones, in Proc. IEEE Int. Conf. Consumer Electronics, 2006, accepted. DOMESTIC CONFERENCE [1] Chanwoo Kim, S. Park, and K-d. Seo, Efficient audio/video synchronization method for video mobile communication terminals, Korea Computer Congress (written in Korean) M. S. THESIS [1] Chanwoo Kim, Implementation of an intonation and pronunciation checking systems, M. S. Thesis, Seoul National Univ. Seoul, Korea, (written in English) PATENTS Patents Outside Korea (United States, China, European Patent Office, etc.) [1] Chanwoo Kim, Apparatus and method for reducing power consumption in a mobile communication terminal, European Patent (Pending), application no ( ). [2] Chanwoo Kim Apparatus and method for reducing power consumption in a mobile communication terminal, China Patent (Pending), application no X ( ). [3] Chanwoo Kim Apparatus and method for reducing power consumption in a mobile communication terminal, US Patent (Pending), application no ( ). [4] Chanwoo Kim Mobile device and method for preventing undesired key depression in the same, China Patent (Pending), application no X ( ).

4 [5] Chanwoo Kim Mobile device and method for preventing undesired key depression in the same, US Patent (Pending), application no ,707 ( ). [6] Chanwoo Kim Formants extracting method, European Patent (Pending), application no ( ). [7] Chanwoo Kim, Formants extracting method, China Patent (Pending), application no ( ). [8] Chanwoo Kim, Formants extracting method, US Patent (Pending), application no ,595 ( ). [9] Chanwoo Kim, Telephone number retrieval system and method, China Patent (Pending), application no ( ). [10] Chanwoo Kim, Telephone number retrieval system and method, European Patent (Pending), application no ( ). [11] Chanwoo Kim Telephone number retrieval system and method, US Patent (Pending), application no ,520 ( ). [12] Chanwoo Kim, A voice recognition method, China Patent (Pending), application no ( ). [13] Chanwoo Kim, A voice recognition method, US Patent (Pending), application no ,985 ( ). [14] Chanwoo Kim, Voice coding/decoding method and apparatus, European Patent (Pending) ( ). [15] Chanwoo Kim, Voice coding/decoding method and apparatus, China Patent (Pending) ( ). [16] Chanwoo Kim, Voice coding/decoding method and apparatus, Japan Patent (Pending) ( ).

5 [17] Chanwoo Kim, Voice coding/decoding method and apparatus, US Patent (Pending) ( ). [18] Chanwoo Kim and K-d Seo, Method for synchronizing video/audio data of mobile communication, European Patent, application no (Pending). [19] Chanwoo Kim and K-d Seo, Method for synchronizing video/audio data of mobile communication, China Patent (Pending). [20] Chanwoo Kim and K-d Seo, Method for synchronizing video/audio data of mobile communication, Japan Patent, application no (Pending). [21] Chanwoo Kim and K-d Seo, Method for synchronizing video/audio data of mobile communication, US Patent (Pending). [22] Chanwoo Kim, Method for improved low-bit rate linear prediction coding, US Patent (Pending). ( ) [23] Chanwoo Kim, Method for improved low-bit rate linear prediction coding, European Patent (Pending). ( ) [24] Chanwoo Kim, Method for improved low-bit rate linear prediction coding, China Patent (Pending). ( ) [25] Chanwoo Kim, Method for improved low-bit rate linear prediction coding, Japan Patent (Pending). ( ) [26] Chanwoo Kim, Method for enhancing speech quality, India Patent (Pending). ( [27] Chanwoo Kim, Method for enhancing speech quality, European Patent (Pending). ( [28] Chanwoo Kim, Method for enhancing speech quality, Brazil Patent (Pending). (

6 [29] Chanwoo Kim, Method for enhancing speech quality, Russian Patent (Pending). ( [30] Chanwoo Kim, Method for enhancing speech quality, China Patent (Pending). ( [31] Chanwoo Kim, Method for enhancing speech quality, Japan Patent (Pending). ( [32] Chanwoo Kim, Method for enhancing speech quality, US Patent (Pending). ( Domestic Patents (in Korean) [1] Chanwoo Kim, Slide-type handset with a sub-display device, Korea patent pending, application no ( ). [2] Chanwoo Kim, Format frequency detecting method of voice signal, Korea Patent, Patent no [3] Chanwoo Kim, Apparatus and method for reducing power consumption in a mobile communication terminal, Korea patent application, application no ( ) [4] Chanwoo Kim, Transparent display device for swivel type handset, Korea patent application, application no ( ) [5] Chanwoo Kim, Mobile device and method for preventing undesired key depression in the same, Korea patent application, application no ( ) [6] Chanwoo Kim, Telephone number retrieval system and method, Korea patent application, application no ( ) [7] Chanwoo Kim, A voice recognition method, Korea patent application, application no ( ) [8] Chanwoo Kim, Novel handset structure, Korea patent application, application no

7 ( ) [9] Chanwoo Kim, Voice coding/decoding method and apparatus, Korea patent application, application no ( ) [10] Chanwoo Kim and K-d Seo, Method for synchronizing video/audio data of mobile communication, Korea patent application, application no ( ) [11] Chanwoo Kim, Base-band modem structure for speech recognition, Korea patent application, application no ( ) [12] Chanwoo Kim, Mode setting method for handsets, Korea patent application, application no ( ) [13] Chanwoo Kim, Method for enhancing speech quality, Korea patent application, application no ( ) [14] Chanwoo Kim, Method for improved low-bit rate linear prediction coding, Korea patent application, application no ( ) [15] Chanwoo Kim, Structure of a separable handset, Korea patent application, application no ( ). [16] Chanwoo Kim, Robust voice activity system, Korea patent application, application no ( ) [17] Chanwoo Kim, Device for improved speech coding, Korea patent application, application no ( ) [18] Chanwoo Kim, Audio device, Korea patent application, application no ( ) [19] Chanwoo Kim, Handset with a supplementary power source, Korea patent application, application no ( ) [20] Chanwoo Kim, Improved feature extraction method for speech recognition, Korea patent

8 application, application no ( ) [21] Chanwoo Kim, Efficient conference system requiring reduced computation over IP, Korea patent application. [22] Chanwoo Kim, Efficient noise cancellation method for a handset with a hands-free using an adaptive filter, Korea patent application. [23] Chanwoo Kim, Voiced/unvoiced decision method using the Viterbi algorithm, Korea patent application. AWARDS [1] Merit-based Scholarships for 4 semesters during the undergraduate period, Seoul National University. [2] Bachelor s Degree with Cum Laude, Dept. of Electrical Engineering, Seoul National University, Feb [3] Research Assistantship, Dept. of Electrical Engineering, Seoul National University, [4] 1 st prize for outstanding patents, LG Electronics Handset Lab. Dev. Gr. 7, [5]1 st prize for outstanding technical documents, LG Electronics Handset Lab. Dev. Dept. Gr. 7, [6] 6 sigma Black Belt, LG Electronics, [7] Research Fellowship, Language Technologies Institute, School of Computer Science Carnegie Mellon University, [8] Research Award, Korea Ministry of Commerce, Industry and Energy SPECIAL SKILLS Speech Recognizer Engine Design (DTW, HMM) Fixed Point Implementation of Signal Processing Algorithms Multimedia System Implementation (H.323 and H.324 systems) Embedded System Software Programming Real-time OS (Nuclues, REX) HTK (Hidden Markov Toolkit) Multimedia Protocols (RTP, RTCP, RTSP, SIP, etc.) COMPUTER SKILLS MATLAB UNIX shell programming

9 C, C++, WIN32 API, MFC ARM Developer Suite, CCS for C55x, OMAP Assembly programming (ARM) REFERENCES Professor Wonyong Sung, Seoul National University Room , School of Electrical Engineering, Seoul National University San 56-1, Shilim- Dong, Kwanak-Gu, Seoul , Korea (Tel: ) Professor Kwang-deok Seo, Yonsei University Room #145, ChangJo Gwan, Computer & Telecommunications Engineering Division, Yonsei Univ.,Maeji-ri, Heungup-myon, Wonju City, Gangwondo, , Republic of Korea (Tel )