27. The speech synthesizer of claim 26 wherein said plurality of resonant filters in said vocal tract means includes a fixed-pole resonant filter adapted to resonate at a frequency greater than 4000 Hz.
27. The speech synthesizer of claim 26 wherein said plurality of resonant filters in said vocal tract means includes a fixed-pole resonant filter adapted to resonate at a frequency greater than 4000 Hz. 28. The speech synthesizer of claim 27 wherein said fixed-pole resonant filter in said vocal tract means is adapted to resonate at a frequency of approximately 4400 Hz.