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Speech synthesis system

  • US 3,102,165 A
  • Filed: 12/21/1961
  • Issued: 08/27/1963
  • Est. Priority Date: 12/21/1961
  • Status: Expired due to Term
First Claim
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1. A SPEED SYNTHESIZER FOR REPRODUCING A SOUND FROM A DIGITAL CODE, SAID DIGITAL CODE INCLUDING BITS SPECIFYING THE FREQUENCIES PRESENT IN SAID SOUND AND BITS SPECIFYING THE TIME DURATION OF SAID SOUND, SAID SYSTEM COMPRISING A PLURALITY OF GATED OSCILLATORS, EACH OF SAID GATED OSCILLATORS PRODUCING AN OUTPUT OF A DIFFERENT ONE OF THE FREQUENCIES PRESENT IN SAID SOUND, AN AUDIO TRANSDUCER, THE OUTPUTS OF SAID OSCILLATORS BEING CONNECTED TO DRIVE SAID AUDIO TRANSDUCER, EACH OF SAID OSCILLATORS PRODUCING AN OUTPUT IN RESPONSE TO THE PRESENCE OF TWO GATING INPUTS TO THE OSCILLATOR, A READOUT MATRIX SPECIFYING THE FREQUENCIES PRESENT IN SAID SOUND AND THE TIME DURATION OF SAID SOUND, ONE GATING INPUT TO EACH OF SAID OSCILLATORS BEING CONNECTED TO SAID READOUT MATRIX WHEREBY A PARTICULAR OSCILLATOR IS ENABLED WHEN SAID DIGITAL CODE CONTAINS A BIT SPECIFYING THAT FREQUENCY, MEANS FOR DECODING SAID TIME DURATION BITS, MEANS RESPONSIVE TO SAID LAST NAMED DECODING MEANS FOR GENERATING A GATE OF THE

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