语音识别不起作用 [英] Speech recognition not working

问题描述

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;

namespace Alice
{
    public partial class Form1 : Form
    {

        SpeechSynthesizer s = new SpeechSynthesizer();
        Choices list = new Choices();

        public Form1()
        {
            SpeechRecognitionEngine rec = new SpeechRecognitionEngine();
            list.Add(new String[] { "hello", "how are you" });

            s.Speak("hello, my name is Alice");
            s.SelectVoiceByHints(VoiceGender.Female);

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

            try
            {
                rec.RequestRecognizerUpdate();
                rec.LoadGrammar(gr);
                rec.SpeechRecognized += rec_SpeechRecognized;
                rec.SetInputToDefaultAudioDevice();
                rec.RecognizeAsync(RecognizeMode.Multiple);
            }
            catch { return; }

            InitializeComponent();
        }

        public void say(String h)
        {
            s.Speak(h);
        }

        private void rec_SpeechRecognized(object sender, SpeechRecognizedEventArgs e)
        {
            String r = e.Result.Text;

            if (r == "hello")
            {
                say("hi");
            }

            if (r == "how are you")
            {
                say("good, thanks. how about you ?");
            }
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }
    }
}

您好，我在语音识别方面遵循了一个教程（很多人都有这个问题，但没有人解决它），但当我开始并说" ;你好"一切都没有发生。哪里可以问题？我的麦克风打开了。

Hello, I followed a tutorial (a lot of people have this issue, but no one solved it) on speech recognition, but when I start it and say "hello" nothing is happening. Where can be the problem ? My mic is on.

推荐答案

你好Jacob Lth，

Hi Jacob Lth,

我看到你已经初始化了这个  SpeechRecognitionEngine对象在窗体初始化之前。你试过把它放在窗体的加载事件处理程序中吗？

I saw that you have initialized that SpeechRecognitionEngine object before the window form initialized. Have you tried put that in load event handler of window form?

我在我这边测试这个样本，效果很好。您可以参考此示例来检查您的代码：  http://www.codeproject.com/Articles/483347/Speech-recognition-speech-to-text-text-to-speech-a  

I test this sample on my side, it worked well. You could refer to this sample to check your code: http://www.codeproject.com/Articles/483347/Speech-recognition-speech-to-text-text-to-speech-a 

Best此致，

Xavier Eoro

Xavier Eoro

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