C#语音识别

1.环境

.Net 4.0以上

2.引用System.Speech

3.代码

using System.Speech.Recognition;
using System.Speech.Synthesis;
using System.Globalization;
using System.IO;

namespace SpeechDemo
{
	public class SpeechDemo
	{
		public static void main(string[] args)
		{
			try
			{
				//查看系统中都安装了哪些语言包
				//foreach (RecognizerInfo ri in SpeechRecognitionEngine.InstalledRecognizers())
				//{
				// string s = ri.Culture.Name;
				//}
				
				SpeechRecognitionEngine sre = new SpeechRecognitionEngine(new CultureInfo("zh-CN"));//en-US
				
				//SpeechRecognitionEngine sre = new SpeechRecognitionEngine();
				//命中关键字------------------------------------------------
				var words = new Choices();
				words.Add("你好");
				words.Add("院领导");
				words.Add("办公室");
				words.Add("办公区");
				words.Add("客户端咨询");
				words.Add("外网客户端咨询");
				words.Add("检品受理");
				words.Add("综合");
				words.Add("人事");
				words.Add("计划");
				words.Add("财务");
				words.Add("科研管理");
				words.Add("科研");
				words.Add("仪器");
				words.Add("设备");
				words.Add("网站");
				words.Add("网络安全");
				words.Add("信息");
				words.Add("档案");
				
				var gb = new GrammarBuilder();
				gb.Culture = new System.Globalization.CultureInfo("zh-CN");
				gb.Append(words);
				Grammar g = new Grammar(gb);
				sre.LoadGrammar(g);
				//------------------------------------------------------------------------
				//sre.LoadGrammar(new DictationGrammar());
				sre.SpeechRecognized += new EventHandler<SpeechRecognizedEventArgs>(SpeechRecognitionCallback);
				sre.SetInputToDefaultAudioDevice();
				sre.RecognizeAsync(RecognizeMode.Multiple);
			}
			catch (Exception ex)
			{
				MessageBox.Show("init RS Error : " + ex.ToString());
			}
		}

		// 识别的语音命令回调函数
		private static void SpeechRecognitionCallback(object sender, SpeechRecognizedEventArgs e)
		{
			string result = e.Result.Text.ToLower();
			MessageBox.Show(result);
		}
	}
}