N-Delta builder: A multi platform graphical rapid prototyping tool for the development of voice synthesis

N-Delta Builder is an extensible, graphical, multimodal, platform-independent application for interactive, real-time design of voice signals. Consists of two parts: the server part, which is a physically modeled voice synthesizer and the graphical client part which drives in-situ the server. This paper apart from describing the arity N Delta interfacing protocol between the client and the server, optimizes the process of synthesis by implementing a multi-platform, event driven Tool which is capable of visualizing subtle voice quantity and quality elements and handling the musical events that describe or accompany the lyrics as a constituent of its generalized object oriented hierarchy