我正在编写一个语音识别应用程序,并且我找到了一个示例here。我尽可能接近代码,只是变化很小,但是当我启动应用程序时,我在第24行中发现了InnerException,特别是在C语言中识别语音的问题
在进行识别之前至少必须加载一个语法
问题。我已将代码行复制到行(以教育为目的),所以我非常肯定它必须起作用,但由于某种原因它没有。我的代码是:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Speech.Recognition;
namespace Voice_Recognition
{
public partial class Form1 : Form
{
SpeechRecognitionEngine recEngine = new SpeechRecognitionEngine();
public Form1()
{
InitializeComponent();
}
private void btnEnable_Click(object sender, EventArgs e)
{
recEngine.RecognizeAsync(RecognizeMode.Multiple);
btnDisable.Enabled = true;
}
private void btnDisable_Click(object sender, EventArgs e)
{
recEngine.RecognizeAsyncStop();
btnDisable.Enabled = false;
}
private void Form1_Load(object sender, EventArgs e)
{
Choices commands = new Choices();
commands.Add(new string[] { "say hello", "say goodbye", "say my name" });
GrammarBuilder gBuilder = new GrammarBuilder();
gBuilder.Append(commands);
Grammar grammar = new Grammar(gBuilder);
recEngine.LoadGrammarAsync(grammar);
recEngine.SetInputToDefaultAudioDevice();
recEngine.SpeechRecognized += new EventHandler<SpeechRecognizedEventArgs>(RecEngine_SpeechRecognized);
}
private void RecEngine_SpeechRecognized(object sender, SpeechRecognizedEventArgs e)
{
switch (e.Result.Text)
{
case "say hello":
MessageBox.Show("Hello to you!");
break;
case "say goodbye":
MessageBox.Show("Bye, bye!");
break;
case "say my name":
InputBox.Text += "\nYourName";
break;
}
}
}
}
我使用的是Visual Studio 2015社区版。但我不认为,这是问题。
P.S.我知道,类似的问题已经被问到here on stack overflow;不过,我的问题有点不同,因为上面的所有代码看起来都是正确的。
24行在哪里?请在代码中添加注释出现异常 –
recEngine.RecognizeAsync(RecognizeMode.Multiple); –