2. A computerized speech synthesizer according to claim 1 wherein the prosodic tags are associated one with each grapheme and specify desired acoustic values for acoustic phonemes to be selected to express the text elements according to articulatory rules for the text elements.
2. A computerized speech synthesizer according to claim 1 wherein the prosodic tags are associated one with each grapheme and specify desired acoustic values for acoustic phonemes to be selected to express the text elements according to articulatory rules for the text elements. 3. A computerized speech synthesizer according to claim 2 wherein the prosodic tags indicate desired values for pitch, duration and amplitude of each acoustic phoneme.