C# 设置两个SpeechRecognitionEngine语音识别

您好！感谢您的提问。下面是设置两个`SpeechRecognitionEngine`进行语音识别的示例代码：

using System.Speech.Recognition;

namespace SpeechRecognitionExample
{
    class Program
    {
        static void Main(string[] args)
        {
            // 创建两个SpeechRecognitionEngine对象
            SpeechRecognitionEngine recognizer1 = new SpeechRecognitionEngine();
            SpeechRecognitionEngine recognizer2 = new SpeechRecognitionEngine();

            // 设置语法和事件处理程序
            recognizer1.LoadGrammar(new DictationGrammar());
            recognizer1.SpeechRecognized += Recognizer1_SpeechRecognized;

            recognizer2.LoadGrammar(new DictationGrammar());
            recognizer2.SpeechRecognized += Recognizer2_SpeechRecognized;

            // 启动SpeechRecognitionEngine对象
            recognizer1.SetInputToDefaultAudioDevice();
            recognizer1.RecognizeAsync(RecognizeMode.Multiple);

            recognizer2.SetInputToDefaultAudioDevice();
            recognizer2.RecognizeAsync(RecognizeMode.Multiple);

            // 等待用户按下Enter键退出程序
            Console.ReadLine();
        }

        static void Recognizer1_SpeechRecognized(object sender, SpeechRecognizedEventArgs e)
        {
            // 处理SpeechRecognitionEngine1识别到的文本
            Console.WriteLine("Recognizer1: " + e.Result.Text);
        }

        static void Recognizer2_SpeechRecognized(object sender, SpeechRecognizedEventArgs e)
        {
            // 处理SpeechRecognitionEngine2识别到的文本
            Console.WriteLine("Recognizer2: " + e.Result.Text);
        }
    }
}

在此示例中，我们创建了两个`SpeechRecognitionEngine`对象，分别为`recognizer1`和`recognizer2`。然后，我们为每个`SpeechRecognitionEngine`对象加载了一个通用语法，并将其事件处理程序分别设置为`Recognizer1_SpeechRecognized`和`Recognizer2_SpeechRecognized`方法。接下来，我们启动了每个`SpeechRecognitionEngine`对象，以便它们可以同时进行语音识别。

在事件处理程序中，我们可以处理每个`SpeechRecognitionEngine`对象识别到的文本。在此示例中，我们只是简单地将识别到的文本输出到控制台上。

希望这可以帮助您！