Dictaphone AD: "Ne vous inquiétez pas de vacances" de 1916 taille: 9 x 17 in (environ 43.18 cm)

Lernout & Hauspie provided the voice-recognition technology for Dictaphone's enhanced voice recognition-based transcription system. In 1947, having relied on wax-cylinder recording to the end of World War II, Dictaphone introduced its Dictabelt technology.

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