Text to speech

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Across
  1. 3. What is the name of device from 1930s ?
  2. 6. Which company established this device ?
  3. 7. What terms is used for
Down
  1. 1. Who created this device ?
  2. 2. Which part controlled the pitch ?
  3. 4. What technology is TTS ?
  4. 5. What terms is used for intonation ?