Stability-improved higher order delta-sigma modulator for Hi-Fi docking audio system. - Jaeyong Cho; Jungmin Choi; Haekwang Park; Yongje Kim (ICCE, 2012)

A Highly Directional Loudspeaker for Surround Channel Soundbar Reproduction. - Liam Kelly; Yoonjae Lee; Haekwang Park (ICCE, 2020)