An implemented of H.264 video decoder using hardware and software. - Seongmo Park; Hanjin Cho; Heebum Jung; Dukdong Lee (CICC, 2005)

Design of Audio and Video decoder for the T-DMB Receiver. - Bontae Koo; Juhyun Lee; Sekho Lee; Jinkyu Kim; Minseok Choi; Hyuk Park 002; Seongmin Kim; Nak-Woong Eum; Heebum Jung (ICME, 2006)

A Novel WI Decoder for the Segmented Frame Decoding in the Text-to-speech Synthesizer. - Kyungjin Byun; Nak-Woong Eum; Heebum Jung (SIGMAP, 2010)

Development of portable sound effector. - Kyungjin Byun; Nak-Woong Eum; Heebum Jung; Koang-Hui Jeong; Jae-Eul Koo (ICME, 2011)