语音识别不工作
本文关键字:工作 语音识别 | 更新日期: 2023-09-27 18:09:32
我正在开发一个使用语音识别的WPF应用程序。当语法单词被说出时,事件不会被触发。其次,我不确定发动机是否启动上没有。如何检查呢?代码如下:
namespace Summerproject_trial
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
private SpeechRecognitionEngine recEngine =
new SpeechRecognitionEngine();
public MainWindow()
{
InitializeComponent();
Choices mychoices = new Choices();
mychoices.Add(new string[] {"Ok", "Test", "Hello"});
GrammarBuilder gb = new GrammarBuilder();
gb.Append(mychoices);
Grammar mygrammar = new Grammar(gb);
recEngine.LoadGrammarAsync(mygrammar);
recEngine.SpeechRecognized +=
new EventHandler<SpeechRecognizedEventArgs>
(recEngine_SpeechRecognized);
recEngine.SetInputToDefaultAudioDevice();
}
void recEngine_SpeechRecognized(object sender,
SpeechRecognizedEventArgs e)
{
MessageBox.Show("You said: " + e.Result.Text);
}
}
}
你忘了开始听输入
在构造函数的末尾试试。
recEngine.RecognizeAsync(RecognizeMode.Multiple);
@Anri的答案是需要的,但是你也需要用CultureInfo创建语音识别引擎。(你可以创建一个没有CultureInfo的语音识别引擎,但是你需要显式地设置识别器语言。)
还有:移动耳机(我想你指的是某种蓝牙耳机)通常不能与System.Speech一起工作。桌面SR引擎中使用的SR引擎需要比蓝牙获得更高质量的音频输入。
所以,完整的代码应该可以工作: private SpeechRecognitionEngine recEngine =
new SpeechRecognitionEngine("en-US");
public MainWindow()
{
InitializeComponent();
Choices mychoices = new Choices();
mychoices.Add(new string[] {"Ok", "Test", "Hello"});
GrammarBuilder gb = new GrammarBuilder();
gb.Append(mychoices);
Grammar mygrammar = new Grammar(gb);
recEngine.LoadGrammarAsync(mygrammar);
recEngine.SpeechRecognized +=
new EventHandler<SpeechRecognizedEventArgs>
(recEngine_SpeechRecognized);
recEngine.SetInputToDefaultAudioDevice();
recEngine.RecognizeAsync(RecognizeMode.Multiple);
}