1. Liu, J., Zhang, X.G., Najar, M., Lagunas, M.A.: A Robust Digital Watermarking Scheme Based on ICA. In: International Conference on Neural Networks and Signal, Oregon, USA, vol. 2, pp. 1481–1484 (2003)
2. Vieru, R., Tahboub, R., Constantinescu, C., Lazarescu, V.: New Results Using the Audio Watermarking Based on Wavelet Transform. In: International Symposium on Signals, Circuits, and Systems, Kobe, Japan, vol. 2, pp. 441–444 (2005)
3. Cvejic, N., Seppanen, T.: Robust Audio Watermarking in Wavelet Domain Using Frequency Hopping and Patchwork Method. In: The 3rd International Symposium on Image and Signal Processing and Analysis, Rome, Italy, vol. 1, pp. 251–255 (2003)
4. Li, W., Xue, X., Lu, P.: Localized Audio Watermarking Technique Robust Against Time-Scale Modification. IEEE Transactions on Multimedia 8, 60–69 (2006)
5. Wei, F.S., Feng, X., Mengyuan, L.: A Blind Audio Watermarking Scheme Using Peak Point Extraction. In: IEEE International Symposium on Circuits and Systems, Kobe, Japan, vol. 5, pp. 4409–4412 (2005)