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This is a simple program in C that uses the Pocketsphinx library by CMU. The library is used along with Unreal Engine 4 to demo a voice activated control to complete an action in a game.

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syed-ahmed/SpeechRecognitionGameControl

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Synopsis

This is a simple program in C that uses the Pocketsphinx library by CMU. The library is used along with Unreal Engine 4 to demo a voice activated control to complete an action in a game.

Code Example

All the coding is done in the SpeechRecognitionGameControl/Source/PlatformerGame/Private/Player/PlatformerCharacter.cpp Since the game files are huge (1.6GB) I am just uploading the src. If you look into the PlatformerCharacter.cpp code, the speech recognition code is in a extern C {} block. The code listens to the mic continously for the words "jump" and "slide". The OnStartJump, OnStartSlide, OnEndJump and OnEndSlide are triggered accordingly with the words.

Unit Testing

I did not automate the unit testing since I don't have much background in testing. However, I did a manual unit testing by following the steps:

  • put breakpoints around the OnStartJump code block in XCode
  • Run the game in debug mode
  • Speak "Jump" into the microphone
  • Test passes if code executes through breakpoints
  • put breakpoints on OnStartSlide, OnEndJump and OnEndSlide and repeat the procedure

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This is a simple program in C that uses the Pocketsphinx library by CMU. The library is used along with Unreal Engine 4 to demo a voice activated control to complete an action in a game.

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