An efficient and accurate empirical mode decomposition of the technical design and methods for biological sound. - Wai-Chi Fang; Chia-Ching Chou; Tzu-Hsun Hung; Kuen-Chih Lin; Arvin Huang-Te Li; Yu-Ching Chang; Bai-Kuang Hwang; Yio-Wha Shau (BioCAS, 2012)