Yong Xiang, Iynkaran Natgunanathan, Dezhong Peng, Guang Hua, Bo Liu. Spread Spectrum Audio Watermarking Using Multiple Orthogonal PN Sequences and Variable Embedding Strengths and Polarities. IEEE Transactions on Audio, Speech & Language Processing, 26(3):529-539, 2018. [doi]
Abstract is missing.