Speech To Text STT In Unity by codemaker2015 - 1

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Simple game in unity to move a game object using up, down, left and right voice inputs

Unity 2018.2.0f2Unknown LicenseUpdated 41 days agoCreated on January 15th, 2020
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Speech Recognition in Unity

Speech Recognition using C# and Unity3D.

Football game in Unity3D


To run the project, you’ll need the following software components:

  • Unity3D 2019.2+

Source Code

We’ll be using the KeywordRecognizer class to detect the voice commands:

    public string[] keywords = new string[] { "up", "down", "left", "right" };
    public ConfidenceLevel confidence = ConfidenceLevel.Medium;
    public float speed = 1;

    public Text results;
    public Image target;

    protected PhraseRecognizer recognizer;
    protected string word = "right";

    private void Start()
        if (keywords != null)
            recognizer = new KeywordRecognizer(keywords, confidence);
            recognizer.OnPhraseRecognized += Recognizer_OnPhraseRecognized;

    private void Recognizer_OnPhraseRecognized(PhraseRecognizedEventArgs args)
        word = args.text;
        results.text = "You said: <b>" + word + "</b>";

    private void OnApplicationQuit()
        if (recognizer != null && recognizer.IsRunning)
            recognizer.OnPhraseRecognized -= Recognizer_OnPhraseRecognized;

Exporting the project

KeywordRecognizer is available for Windows Standalone and Windows Store (Windows 8.1 or Windows 10):

  • Windows
  • Android
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