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Christian Gottlieb Kratzenstein
The German-Danish scientist Christian Gottlieb Kratzenstein built human vocal tract that could produce the five long vowel sounds (in International Phonetic Alphabet notation: [aː], [eː], [iː], [oː] and [uː]). -
POTTER, GREEN & KOPP visible speech
doi:10.1121/1.395275 -
DUNN static articulatory synthesizer
doi:10.1121/1.395275 -
COOPER. LIBERMAN & BORST pattern playback
doi:10.1121/1.395275 -
FANT cascade formant synthesizer
doi:10.1121/1.395275 -
LAWRENCE parallel formant synthesizer
doi:10.1121/1.395275 -
ROSEN dynamic articulatory synthesizer
doi:10.1121/1.395275 -
PETERSON, SIVERTSEN & WANG diphone concatenation (theory)
doi:10.1121/1.395275 -
LIBERMAN et al. minimal rules (theory)
doi:10.1121/1.395275 -
IBM Shoebox
IBM introduces the IBM Shoebox, first digital speech recognition tool -
Siri Introduced
Apple introduces Siri -
Cortana Release
Microsoft Introduces Cortana