Miért nem működik? A mikrofont kiprobaltam Skypeon és ott működött. De ha beszélek nem reagál rá.

itt a kód is:

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.Synthesis;

using System.Speech.Recognition;

using System.Threading;

namespace WindowsFormsApplication2

{

public partial class Form1 : Form

{

public Form1()

{

InitializeComponent();

}

SpeechSynthesizer sSynth = new SpeechSynthesizer();

PromptBuilder pBulider = new PromptBuilder();

SpeechRecognitionEngine sRecognize = new SpeechRecognitionEngine();

private void button1_Click(object sender, EventArgs e)

{

pBulider.ClearContent();

pBulider.AppendText(textBox1.Text);

sSynth.Speak(pBulider);

}

private void button2_Click(object sender, EventArgs e)

{

button2.Enabled = false;

button3.Enabled = true;

Choices sList = new Choices();

sList.Add(new string[] {"a", "hello", "test"});

Grammar gr = new Grammar(new GrammarBuilder(sList));

try

{

sRecognize.RequestRecognizerUpdate();

sRecognize.LoadGrammar(gr);

sRecognize.SpeechRecognized += sRecognize_SpeechRecognized;

sRecognize.SetInputToDefaultAudioDevice();

sRecognize.RecognizeAsync(RecognizeMode.Multiple);

}

catch

{

return;

}

}

void sRecognize_SpeechRecognized(object sender, SpeechRecognizedEventArgs e)

{

textBox1.Text = textBox1.Text + " " + e.Result.Text.ToString();

}

}

}