Voice%20Synthesizer

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• Voice Synthesizer

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Text to Speech Synthesizer

• Why use a Text to speech synthesizer?
• A great way for the user to interact with the
  home-automated system
• What is the SP03 Text to speech synthesizer?
• The SP03 is a device that allows one to transform
  text into speech
• Input text, Output voice
• Two ways to use it Live or pre-programmed
  messages

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Text to Speech Synthesizer

• We decided to use 5 different messages that would
  help the user to navigate through the different
  choices
• Diagram of the five messages and the way they are
  used
• 
  (Pick up)
•  
• Welcome to the
  control system. Please enter your password.
•  
• (Hang up) / Correct password. Please enter
  your code.
•  
•  
• The relay has
  been turned on. / The relay has been turned
  off.

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Text to Speech Synthesizer

• Alarm system feature
• We also added an interesting feature to our
  system. You can connect your alarm system to it
  or any other device. If it goes off, the welcome
  message will be changed to Welcome to the
  control system. Your system is in trouble. Please
  enter your password.

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Text to Speech Synthesizer

• In order to hear the messages through the phone
  we had to connect the SP03 to the phone line
• Problem No analogue output on the device
• Solution Connect a matched amplifier to the
  built-in speaker and connect the output of the
  amplifier into the phone line

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Text to Speech Synthesizer

• SP03 Programming
• Connected to a computer via Rx / Tx pin (Db9
  cable)
• SP03.EXE user-friendly software to program up to
  30 messages

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Text to Speech Synthesizer

• Message Playback
• Playback of messages made possible by sending a 5
  bit signal to the SP03 corresponding to the
  address of the message
• Example To playback the message stored in
  address 1 (00001 binary) a 5V impulse is sent to
  pin 1 (sel 0) while pin 2, 3, 4, 5 (sel 1-4)
  remain grounded

5V
GND