References
Edwards, A. D. N. (1991), Speech Synthesis: Technology for Disabled People, London: Paul Chapman Publishing Ltd.
Pitt, I. and A. Edwards (2002). Design of Speech-based Devices: A Practical Guide. London, Springer.
Newell, C (2009) Place, authenticity, and time: a framework for liveness in synthetic speech unpublished PhD thesis, University of York.