A flexible real-time digital speech synthesis facility

A flexible digital speech synthesis facility has been built around a general purpose digital signal processor, capable of computing 64 second-order filter sections at a 16 KHz sampling rate. The flexibility is derived from a software package which allows the user to describe and control a synthesizer of his own design on the processor. Synthesizer parameters are described as functions which compile parametric commands into the order code of the processor. This hardware-software configuration also allows for real-time interaction with the synthesizer, as well as a number of other options which allow for a convenient user interface.