KeywordRecognizer

class in UnityEngine.Windows.Speech

Description

KeywordRecognizer listens to speech input and attempts to match uttered phrases to a list of registered keywords.

There can be many keyword recognizers active at any given time, but no two keyword recognizers may be listening for the same keyword.

using System;
using System.Text;
using UnityEngine;
using UnityEngine.Windows.Speech;

public class KeywordScript : MonoBehaviour
{
    [SerializeField]
    private string[] m_Keywords;

    private KeywordRecognizer m_Recognizer;

    void Start()
    {
        m_Recognizer = new KeywordRecognizer(m_Keywords);
        m_Recognizer.OnPhraseRecognized += OnPhraseRecognized;
        m_Recognizer.Start();
    }

    private void OnPhraseRecognized(PhraseRecognizedEventArgs args)
    {
        StringBuilder builder = new StringBuilder();
        builder.AppendFormat("{0} ({1}){2}", args.text, args.confidence, Environment.NewLine);
        builder.AppendFormat("\tTimestamp: {0}{1}", args.phraseStartTime, Environment.NewLine);
        builder.AppendFormat("\tDuration: {0} seconds{1}", args.phraseDuration.TotalSeconds, Environment.NewLine);
        Debug.Log(builder.ToString());
    }
}

Keyword recognizer is currently functional only on Windows 10.

Properties

Keywords

Returns the list of keywords which was supplied when the keyword recognizer was created.

Constructors

KeywordRecognizer

Create a KeywordRecognizer which listens to specified keywords with the specified minimum confidence. Phrases under the specified minimum level will be ignored.

Inherited Members

Properties

IsRunning

Tells whether the phrase recognizer is listening for phrases.

Public Methods

Dispose	Disposes the resources used by phrase recognizer.
Start	Makes the phrase recognizer start listening to phrases.
Stop	Stops the phrase recognizer from listening to phrases.