废话少说，看代码精解，
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Speech;
using System.Speech.Synthesis;
using System.Speech.Recognition;
using System.Globalization;
using System.Windows.Forms;
namespace [email protected]
{
public class yuyin
{
public SpeechRecognitionEngine recognizer = null;
public DictationGrammar dictationGrammar = null;
public System.Windows.Forms.Control cDisplay;
public yuyin(string[] fg) //创建关键词语列表
{
CultureInfo myCIintl = new CultureInfo("zh-CN", false);
foreach (RecognizerInfo config in SpeechRecognitionEngine.InstalledRecognizers())//获取所有语音引擎
{
if (config.Culture.Equals(myCIintl) && config.Id == "MS-2052-80-DESK")//选择中文
{
recognizer = new SpeechRecognitionEngine(config);
break;
}
}
if (recognizer != null)
{
InitializeSpeechRecognitionEngine(fg);
dictationGrammar = new DictationGrammar();
}
else
{
MessageBox.Show("创建语音识别失败");
}
}
private void InitializeSpeechRecognitionEngine(string[] fg)
{
recognizer.SetInputToDefaultAudioDevice();
Grammar customGrammar = CreateCustomGrammar(fg);
recognizer.UnloadAllGrammars();
recognizer.LoadGrammar(customGrammar);
recognizer.SpeechRecognized += new EventHandler<SpeechRecognizedEventArgs>(recognizer_SpeechRecognized);
recognizer.SpeechHypothesized += new EventHandler<SpeechHypothesizedEventArgs>(recognizer_SpeechHypothesized);
}
public void BeginRec(Control tbResult)//关联窗口控件
{
TurnSpeechRecognitionOn();
TurnDictationOn();
cDisplay = tbResult;
}
public void over()
{
TurnSpeechRecognitionOff();
}
public virtual Grammar CreateCustomGrammar(string[] fg)
{
GrammarBuilder grammarBuilder = new GrammarBuilder();
grammarBuilder.Append(new Choices(fg));
return new Grammar(grammarBuilder);
}
private void TurnSpeechRecognitionOn()
{
if (recognizer != null)
{
recognizer.RecognizeAsync(RecognizeMode.Multiple);
}
else
{
MessageBox.Show("创建语音识别失败");
}
}
private void TurnSpeechRecognitionOff()
{
if (recognizer != null)
{
recognizer.RecognizeAsyncStop();
TurnDictationOff();
}
else
{
MessageBox.Show("创建语音识别失败");
}
}
private void recognizer_SpeechHypothesized(object sender, SpeechHypothesizedEventArgs e)
{
}
private void recognizer_SpeechRecognized(object sender, SpeechRecognizedEventArgs e)
{
string text = e.Result.Text;
cDisplay.Text = text;
}
private void TurnDictationOn()
{
if (recognizer != null)
{
recognizer.LoadGrammar(dictationGrammar);
}
else
{
MessageBox.Show("创建语音识别失败");
}
}
private void TurnDictationOff()
{
if (dictationGrammar != null)
{
recognizer.UnloadGrammar(dictationGrammar);
}
else
{
MessageBox.Show("创建语音识别失败");
}
}
}
}
类的调用
string[] fg = { “东方”，“西方”，“南方”，“北方” };
qqq = new yuyin(fg);
qqq.BeginRec(textBox10); 显示识别的信息的控件
需要源码的请留下EMAIL
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