Efficient quantization of LSF parameters using classified SVQ combined with conditional splitting. - Dong-Il Chang; Young-Kwon Cho; Souguil Ann (ICASSP, 1995)

A New Wavelet Tranform-Based CELP Coder with Band Selection and Selective VQ. - Dong-Il Chang; Young-Kwon Cho; Souguil Ann (ISCAS, 1995)

International business offering related to innovative smart technologies. - Tae-Il Choi; Young-Kwon Cho (ISGT, 2012)