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Voice Recognition

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To make a computer understand the human voice, the soundwaves must be translated into binary signals.

These signals come to a voice recognition program, which can interprete the meaning of the signals to the computer to get useful information

simplified model

Schallwellen Mikrofon Wechselstrom Analog/Digitalwandler
analog/digital-
transformer
1110001101010 Sprachwandler   useful information
for the pc

voice (human speech)

analog alternating current

binary signal

(„computers speech“)

Prof. Heinz Zemanek developed one of the first voice recognition programs, called the VOCODER.