Keun Sup Lee / publications



Digital Audio Effects
Keun Sup Lee and Jonathan S. Abel, "Simulating an Asymmetrically Saturated Nonlinearity Using an LNLNL Cascade," 133rd Convention of Audio Engineering Society, preprint no. 8697, Oct., 2012

Keun Sup Lee, Jonathan S. Abel, Vesa Välimäki, Timothy Stilson and David P. Berners, "The Switched Convolution Reverberator", The Journal of the Audio Engineering Society, vol. 60, issue 4, pp. 227-236, Apr., 2012

Keun Sup Lee and Jonathan S. Abel, "A Reverberator with Two-Stage Decay and Onset Time Controls," 129th Convention of Audio Engineering Society, preprint no.8208, Nov., 2010

Keun-Sup Lee, Nicholas J. Bryan and Jonathan S. Abel, "Approximating Measured Reverberation Using a Hybrid Fixed/Switched Convolution Structure,” Proc. 13th International Conference on Digital Audio Effects, Sept., 2010


Keun-Sup Lee, Jonathan S. Abel, Vesa Välimäki and David P. Berners, "The Switched Convolution Reverberator,” 127th Convention of Audio Engineering Society, preprint no.7927, Oct., 2009

Perceptual Audio Coding
Keun-Sup Lee, "A Simplified MPEG-4 AAC Encoding Algorithm for Real-time Embedded Applications," PhD Thesis, Yonsei University, 2005

Kyoung Ho Bang, Keun-Sup Lee, Young-Cheol Park, Dae Hee Youn, "Fast Bit Allocation Method for MP3/AAC Encoders," 118th Convention of Audio Engineering Society, preprint no.6381, May. 2005.

Keun-Sup Lee, Kyu-Chel Yeon, Young-Cheol Park and Dae Hee Youn, "Effective Tonality Detectoin Algorithm Based on Spectrum Energy in Perceptual Audio Coder," 117th Convention of Audio Engineering Society, preprint no.6220, Oct. 2004.

Software Implementation
Keun-Sup Lee, Young-Cheol Park and Dae Hee Youn, "Fixed-Point Processing Optimization of the MPEG Audio Encoder Using a Statistical Model," 122nd Convention of Audio Engineering Society, preprint no.7023, May, 2007

Keun-Sup Lee, Young-Cheol Park, and Dae Hee Youn, "Software Optimization of the MPEG-Audio Decoder Using a 32-bit MCU Risc Processor," IEEE Transactions on Consumer Electronics, vol. 48, no. 3, pp. 671-676, Aug. 2002.

Kyu Ha Lee, Keun-Sup Lee, Tae-Hoon Hwang, Young-Cheol Park, and Dae Hee Youn, "An Architecture and Implementation of MPEG Audio Layer III Decoder Using Dual-Core DSP," IEEE Transactions on Consumer Electronics, vol. 47, no. 4, pp. 928-933, Nov. 2001.

Keun-Sup Lee, Hyen-O Oh, Young-Cheol Park, and Dae Hee Youn, "High Quality MPEG-Audio Layer III Algorithm for a 16-BIT DSP," in Proc. IEEE International Symposium on Circuit and Systems, , vol. II, pp.205-208, May. 2001.

VLSI Implementation
Keun-Sup Lee, Nam-Hun Jeong, Kyoung-Ho Bang and Dae-Hee Youn, "A VLSI Implementation of MPEG-2 AAC Decoder System", in Proc. IEEE Asia Pacific Conference on ASICs, pp.139-142, Aug., 1999.

S. W. Park, S. K. Yoo, N. H. Jeong, J. S. Kim, W. S. Ko, K. S. Lee, and D. H. Youn, "Cycle Saving Hardware for Real-Time Audio Processing," IEE Electronics Letters, vol. 34, no. 9, pp. 847-848, Apr. 1998.

J. S. Kim, S. K. Yoo, S. W. Park, N. H. Jeong, W. S. Ko, K.S. Lee, D. H. Youn, "4-Way Superscalar DSP Processor for Audio Codec Applications," in Proc. IEEE Intl. Conf. Acoustics, Speech, and Signal Process., Vol. 5, pp. 3117-3120, May, 1998.

Selected Patents
Sang-Min Lee, Kyoung-Ho Bang, Sung-Hwa Hong, Sang-Ki Kang, Keun-Sup Lee, Jae-Hyun Kim, Hae-Mi Kim and Won-Jin Lim, “Method and Device for Hearing Test,” US Patent No.20100137739, Jun. 3, 2010.

Seock-Woo Jang, Sang-Ki Kang and Keun-Sup Lee, “Apparatus and Method for Sound Processing in a Virtual Reality System,” US Patent No.20100040238, Feb. 18, 2010.

Tae Ik Kang, Jin Kyu Choi, Keun Sup Lee, Young Cheol Park and Dae Hee Youn, “Method and Apparatus for Coding Audio Signal,” US Patent No.20060253276, Nov. 9, 2006.