//聲明一個(gè)委托
private delegate void SetTimerLogicCallback();

//聲明一個(gè)定時(shí)器的類
private System.Threading.Timer threadTimer;

//執(zhí)行委托的方法，ShowMemorandumInfo是查詢數(shù)據(jù)庫的方法
private void ThreadMethod(object obj)
    {
      SetTimerLogicCallback timerLogic = new SetTimerLogicCallback(ShowMemorandumInfo);
      this.Invoke(timerLogic);
    }


 /// <summary>
    /// 定時(shí)器設(shè)置，這個(gè)方法或者這段代碼可以寫在窗體加載的時(shí)候
    /// </summary>
    private void TimerSet()
    {
       threadTimer = new System.Threading.Timer(new System.Threading.TimerCallback(ThreadMethod), null, 0, 1000);
    }

/// <summary>
    /// 微軟語音識(shí)別
    /// </summary>
    /// <param name="content">提示內(nèi)容</param>
    public static void SpeakAsync(string content)
    {
      try
      {
        if (synth != null)
          synth.Dispose();
        synth = new System.Speech.Synthesis.SpeechSynthesizer();
        synth.SpeakAsyncCancelAll();
        synth.SpeakAsync(content);
      }
      catch (Exception ex)
      {
        throw ex;
      }
    }


    /// <summary>
    /// 百度語音合成(文檔網(wǎng)站:http://yuyin.baidu.com/docs/tts/197)
    /// </summary>
    private void BaiduTts(string audioText)
    {
      _ttsClient = new Baidu.Aip.Speech.Tts("API_KEY", "SECRET_KEY ");
      // 可選參數(shù)
      var option = new Dictionary<string, object>()
        {
          {"spd", 5}, // 語速
          {"vol", 7}, // 音量
          {"per", 4} // 發(fā)音人，4：情感度丫丫童聲
        };
      var result = _ttsClient.Synthesis(audioText, option);
      if (result.ErrorCode == 0)
      {
        string fileName = Application.StartupPath + "\\" + Guid.NewGuid().ToString() + ".mp3";
        System.IO.File.WriteAllBytes(fileName, result.Data);
        axWindowsMediaPlayer1.URL = fileName;
        axWindowsMediaPlayer1.Ctlcontrols.play();
        System.IO.File.Delete(fileName);
      }
      else
      {
        Utils.LogMessage("百度語音合成異常", result.ErrorMsg);
      }
    }