1936 AT&T’s Bell Labs produced the first electronic speech synthesizer called the Voder (Dudley, Riesz and Watkins),which was demonstrated in 1939 by experts that used a keyboard and foot pedals to play the machine and emit speech.Early 1970’s The Hidden Markov Modeling (HMM) approach to speech & voice recognition was invented by Lenny Baum,HMM is a complex mathematical strategy that eventually was adopted by all the leading speech& voice recognition companies including Dragon Systems, IBM, Philips, AT&T and others.1971 DARPA (Defense Advanced Research Projects Agency) established the Speech Understanding Research (SUR) program to develop a computer system that could understand continuous speech.1978 The popular toy “Speak and Spell” by Texas Instruments was introduced. You can download and use the software trial online. FORMATION OF DRAGON NATURALLY SPEAKING SUPPORTĭragon Naturally Speaking by Nuance Communication is a speech assistant or voice recognition software.
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