C#3.0基于 Speech.Recognition的grammerbuilder 语音识别定义模糊语法范例

于 2009-09-09 13:17:00 发布 · 208 阅读

文章标签：

#C #C++ #C# #Windows

本文介绍了一个使用C#实现的简单语音识别程序示例。该程序能够识别特定词汇，并在识别到这些词汇时显示相应的消息。通过这个例子可以了解如何利用System.Speech.Recognition命名空间中的类来创建基本的语音识别功能。

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using System;
using System.Windows;
using System.Speech.Recognition;

namespace Speech_Recognition
{
public partial class Window1 : System.Windows.Window
{
public Window1()
{
InitializeComponent();

SpeechRecognizer recognizer = new SpeechRecognizer();
GrammarBuilder builder = new GrammarBuilder();
builder.Append(new Choices("二", "三", "四", "五", "六", "七",
"八", "九", "十", "十一", "十二", "十三", "十四"));
builder.Append("的", 0, 1);
builder.Append(new Choices("哈", "师大", "斯蒂芬", "斯蒂"));
recognizer.LoadGrammar(new Grammar(builder));

recognizer.SpeechRecognized +=
new EventHandler<SpeechRecognizedEventArgs>(recognizer_SpeechRecognized);
}

void recognizer_SpeechRecognized(object sender, SpeechRecognizedEventArgs e)
{
MessageBox.Show("你说: " + e.Result.Text);
}
}
}