unity语音识别

using UnityEngine;
using UnityEngine.Windows.Speech;

public class SpeechRecognition : MonoBehaviour
{
    [Header("关键词")]
    public string[] keywords;
    
    PhraseRecognizer phraseRecognizer;// 短语识别器
    ConfidenceLevel confidenceLevel = ConfidenceLevel.Medium;// 可信度

    void OnEnable()
    {
        StartRecognizePhrase();
    }
    void OnDisable()
    {
        StopRecognizePhrase();
    }
    private void OnDestroy()
    {
        //判断场景中是否存在语音识别器，如果有，释放
        if (phraseRecognizer != null)
            phraseRecognizer.Dispose();
    }

    /// <summary>
    /// 开启短语识别
    /// </summary>
    void StartRecognizePhrase()
    {
        if (phraseRecognizer == null)
        {
            //创建一个识别器
            phraseRecognizer = new KeywordRecognizer(keywords, confidenceLevel);
            //通过注册监听的方法
            phraseRecognizer.OnPhraseRecognized += phraseRecognizer_OnPhraseRecognized;
        }
        //开启识别器
        phraseRecognizer.Start();
    }
    /// <summary>
    /// 停止短语识别
    /// </summary>
    void StopRecognizePhrase()
    {
        if (phraseRecognizer != null)
            phraseRecognizer.Stop();
    }

    /// <summary>
    /// 当识别到关键字时，会调用这个方法
    /// </summary>
    private void phraseRecognizer_OnPhraseRecognized(PhraseRecognizedEventArgs args)
    {
        RecognitionSpeechExecution(args.text);
        print(args.text);
    }

    /// <summary>
    /// 识别到语音的操作
    /// </summary>
    void RecognitionSpeechExecution(string msg)
    {
        switch (msg)
        {
            case "你好":
                Debug.LogError(msg);
                break;
            case "开始测试":
                break;
            case "结束测试":
                break;
        }
    }
}