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Voice Recognition

  • Invention of the Dictaphone

    Invention of the Dictaphone

    Allowed messages to be recorded and typed up later.
  • recognition of simple numbers

    recognition of simple numbers

  • Vowel Recognition

    Vowel Recognition

  • Linear Predictive Coding

    Linear Predictive Coding

    Statistical based formula to use sound waves to perform voice recognition
  • Harpy Speech Understaning Unit

    Harpy Speech Understaning Unit

    Carnegie Mellon University system that was able to recognize 1,011 with greater than 90% accuracy.
  • Dragon Systems Established

    Dragon Systems Established

    Dragon Systems is owned Nuance today. Dragon is the most used voice recognition software today in medcine.
  • Hidden Markov Model

    Hidden Markov Model

    Main foundation for speech recognition and understanding systems.
  • Bell South introduces VAL

    Bell South introduces VAL

    VAL-Voice activated link prompted callers to answer questions then scanned a database to provide the answers. Was the basis for future automated phone customer support systems.
  • Siri for iPhone 4S

    Siri for iPhone 4S