1. Subband and Wavelet Transforms
2. Atal, B., & Schroeder, M. R. (1984). Stochastic coding of speech signals at very low bit rates. In Proceedings of the IEEE International Conference on Communications (pp. 1610-1613). Amsterdam, Netherlands.
3. Immersive Audio Signal Processing
4. Deller, J. Hansen, J., & Proakis, J. (1993). Discrete-time processing of speech signals. New York, NY: Macmillan Publishing.