Sound files and descriptions from Dennis H. Klatt (1987),
“Review of text-to-speech conversion for English”
J. Acous. Soc. Amer. 82, 737-793

 

Part A: Development of speech synthesizers

Part A: Development of speech synthesizers 1. The VODER of Homer Dudley, 1939. Demonstrated at the Worlds Fair.

2. The Pattern Playback designed by Franklin Cooper, 1951.

3. PAT, the ``Parametric Artificial Talker'' of Walter Lawrence, 1953.

4. The ``OVE'' cascade formant synthesizer of Gunnar Fant, 1953.

5. Copying a natural sentence using Walter Lawrence's `PAT' formant synthesizer, 1962.

6. Copying the same sentence using the second generation of Gunnar Fant's OVE cascade formant synthesizer, 1962.

7. Comparison of synthetic and a natural sentences, using OVE II, by John Holmes, 1961.

8. Comparison of synthesis and a natural sentence, John Holmes using his parallel formant synthesizer, 1973.

9. Attempt to scale the DECtalk male voice to make it sound female.

10. Comparison of synthesis and a natural sentence, female voice, Dennis Klatt, 1986b.

11. The DAVO articulatory synthesizer developed by George Rosen at MIT, 1958. The English Alphabet Song!

12. Sentences produced by an articulatory model, James Flanagan and Kenzo Ishizaka, 1976.

13. Linear-prediction analysis and resynthesis of speech at a low-bit rate in the Texas Instruments Speak-'n-Spell toy, Richard Wiggins, 1980.

14. Comparison of synthesis and a natural recording, automatic analysis-resynthesis using multipulse linear prediction, Bishnu Atal, 1982