| 1997 | ICASSP | Low-rate CELP speech coding using an improved weighting function. | Chul Hong Kwon, Chong Kwan Un |
| 1997 | Interspeech | Model-based approach for robust speech recognition in noisy environements with multiple noise sources. | Do Yeong Kim, Nam Soo Kim, Chong Kwan Un |
| 1992 | INFOCOM | Performance Analysis of a Multichannel Local Lightwave Network with Grouping Property. | Sea Hyeon Nam, Chong Kwan Un |
| 1992 | Interspeech | A speaker adaptation based on corrective training and learning vector quantization. | Myoung-Wan Koo, Chong Kwan Un |
| 1990 | Interspeech | An efficient viterbi scoring architecture for HMM-based isolated word recognition systems. | Jin Yul Kim, Yun-Seok Cho, Soon Young Yoon, Hwang Soo Lee, Chong Kwan Un |
| 1990 | Interspeech | Generalized training of hidden Markov model parameters for speech recognition. | Nam Soo Kim, Chong Kwan Un |
| 1990 | Interspeech | Speech recognition method based on the dual processing nature of speech perception. | Hyung Soon Kim, Chong Kwan Un |
| 1990 | Interspeech | A comparative study of speaker adaptation methods for HMM-based speech recognition. | Myoung-Wan Koo, Chong Kwan Un, Hwang Soo Lee, Jun Mo Koo, H. R. Kim |
| 1990 | Interspeech | A recognition time reduction algorithm for large-vocabulary speech recognition. | Jun Mo Koo, Chong Kwan Un, Hwang Soo Lee, H. R. Kim, Myoung-Wan Koo |
| 1990 | Interspeech | A low rate VQ speech coding algorithm with variable transmission frame length. | Sung Ro Lee, Hwang Soo Lee, Chong Kwan Un |
| 1984 | ICASSP | On the convergence behaviour of frequency-domain LMS adaptive digital filters. | Jae Chon Lee, Chong Kwan Un |
| 1984 | ICASSP | A performance comparison of pitch extraction algorithms for noisy speech. | Kyong-Ae Oh, Chong Kwan Un |
| 1982 | ICASSP | Pole-zero modeling of noisy speech and its application to vocoding. | Kil Ho Song, Chong Kwan Un |
| 1982 | ICASSP | On spectral flattening techniques in residual-excited linear prediction vocoding. | Chong Kwan Un, Jong Rak Lee |
| 1981 | ICASSP | Improving LPC analysis of noisy speech by autocorrelation subtraction method. | Chong Kwan Un, K. Y. Choi |
| 1980 | ICASSP | On pole-zero modeling of speech. | Kil Ho Song, Chong Kwan Un |
| 1980 | ICASSP | A 4800 bps LPC vocoder with improved excitation. | Chong Kwan Un, Wonyong Sung |