Dennis H. Klatt

Dennis H. Klatt
Born(1938-03-31)March 31, 1938
Milwaukee, Wisconsin, U.S.
DiedDecember 30, 1988(1988-12-30) (aged 50)
Cambridge, Massachusetts, U.S.
OccupationResearcher

Dennis H. Klatt (March 31, 1938 – December 30, 1988) was an American researcher in speech and hearing science. Klatt was the pioneer of computerized speech synthesis and created an interface which allowed for speech for non-expert users for the first time. His research was commercialized as DECtalk. The default male voice in DECTalk, Perfect Paul, is based on Klatt's own voice.

Prior to his work, non-verbal individuals would need specialist support to be able to speak at all. Stephen Hawking used an equivalent voice to Perfect Paul, which Hawking chose to keep even after more advanced speech synthesizers became available.

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