1. Hutchinson, M.: Methods for voice conversion (2012)
2. Saundade, M., Kurle, P.: Speech recognition using digital signal processing. Int. J. Electron. Commun. Soft Comput. Sci. Eng. 2, 31 (2013)
3. Orphanidou, C., et al.: Voice morphing using the generative topographic mapping (2003)
4. Kain, A., Macon, M.W.: Spectral voice conversion for text-to-speech synthesis (1998)
5. Mccree, A.: Low-Bit-Rate Speech Coding. Information Systems Technology Group, MIT Lincoln Laboratory (2008)