"Voice Morphing"

Supervised by Professor RK Moore

Abstract

There are various methods available in order to perform the transformation, conversion or morph of one speech signal to another. Within this study several of these methods are looked at and discussed in order to gain an understanding of the process to be undertaken. It has become apparent through study in this area that methods that make use of the formant structure of speech are successful. Provided for this study is a piece of software that will determine the formant parameters allowing manipulations to be carried out on a source signal. With these manipulations complete the signal will then be re-synthesized with the software provided. It has therefore been decided for this study to use formant analysis and re-synthesis. This study firstly looks at the methods with which voice morphing can be achieved before going forward to design, build and implement a piece of software to work alongside the provided software in order to achieve the goal.