Testing the speech recognition

no-virtual Cannot be tested on a simulated robot .

Step Action
Connect Choregraphe to a real robot.
Drag and drop the Speech > Speech Settings > Set Speech Lang. box onto Flow Diagram panel.
Connect its input to the main input of the Behavior.
Click the parameter-button Parameter button of the Set Speech Lang. box and select English .
Drag and drop the Speech > Creation > Speech Reco. box onto the Flow Diagram panel.
Connect its input to the output of the Set Speech Lang. box.

Click the play-button Play button.

If Visual expression option is enabled, Eye LEDs should become:

  • Blue and turn, while waiting for your speaking.

Say “yes” or “no” - these are the words recognized by default.

If Visual expression option is enabled, Eye LEDs should become:

  • Yellow, while hearing and analyzing what you said.
  • Green, when a word is recognized.

Customizing the list of recognized words

Step Action

Click the parameter-button Parameter button of the Speech Reco. box and enter your own list of words.

Warning

Make sure you use the same separator as provided in the example: according to your local settings, your keyboard may produce another character looking exactly the same way but with another internal code! To avoid this, simply copy/paste the character provided in the sample.

Click the play-button Play button to test the result.

Improving your Behavior

  • Add a Say Box and connect it before the Speech Reco. box, in order to make the robot ask a question.
  • Add a Say Box and connect it after the onNothing output of the box in order to make the robot say he hasn’t hear anything.
  • Add the box of your choice and connect it after the wordRecognized output of the box in order to make the robot react to the detected words.
  • Try to modify the word spotting and the Threshold options in order to obtain a good reactivity.

To go further

  • Try the Choice box in order to make the robot react differently according to the recognized words.