c# 开发语音识别程序

private void button1_Click(object sender, EventArgs e)
{
 OpenFileDialog fdlg = new OpenFileDialog();
 fdlg.Title = "C# Corner Open File Dialog";
 //fdlg.InitialDirectory = @"c:/"; //@是取消转义字符的意思
 //fdlg.Filter = "All files（*.*）|*.*|All files(*.*)|*.* ";
 ///*
 // * FilterIndex 属性用于选择了何种文件类型,缺省设置为0,系统取Filter属性设置第一项
 // * ,相当于FilterIndex 属性设置为1.如果你编了3个文件类型，当FilterIndex ＝2时是指第2个.
 // */
 fdlg.FilterIndex = 2;
 ///*
 // *如果值为false，那么下一次选择文件的初始目录是上一次你选择的那个目录，
 // *不固定；如果值为true，每次打开这个对话框初始目录不随你的选择而改变，是固定的 
 // */
 //fdlg.RestoreDirectory = true;
 if (fdlg.ShowDialog() == DialogResult.OK)
 {
  //textBox1.Text = System.IO.Path.GetFileNameWithoutExtension(fdlg.FileName);
  filePath.Text = System.IO.Path.GetFullPath(fdlg.FileName);

 }
}

// 语音合成按钮
private void button2_Click(object sender, EventArgs e)
{
 string value = this.videoType.Text;
 String filePath = this.filePath.Text;
 // 设置APPID/AK/SK
 String APP_ID = "14433392";
 String API_KEY = "C7WMYgLeWv3Wm2yogwv5gD08";
 String SECRET_KEY = "xcvwiwikALBDBaIcGisNQ6aQImtj3qua";
 var client = new Asr(APP_ID, API_KEY, SECRET_KEY);
 client.Timeout = 60000; // 修改超时时间
 client.Timeout = 120000; // 若语音较长，建议设置更大的超时时间. ms
 FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read);
 byte[] buffur = new byte[fs.Length];
 try
 {
  fs.Read(buffur, 0, (int)fs.Length);

 }
 catch (Exception ex)
 {
  Console.Write(ex.StackTrace);
 }
 finally
 {
  if (fs != null)
  {
   //关闭资源 
   fs.Close();
  }
 }
 var result = client.Recognize(buffur, value, 16000);
 Convert.ToString(result);

 JToken resultStr = null;
 result.TryGetValue("result", out resultStr);
 Console.WriteLine("aToken===>"+ resultStr);
 voiceResult.Text = Convert.ToString(resultStr);
 Console.Write(result);
}

// 开始合成按钮（语音合成功能）
private void synthesisButton_Click(object sender, EventArgs e)
{
 String APP_ID = "14433392";
 String API_KEY = "C7WMYgLeWv3Wm2yogwv5gD08";
 String SECRET_KEY = "xcvwiwikALBDBaIcGisNQ6aQImtj3qua";
 // 获取输入框的值
 String value = this.Speech_Synthesis.Text;
 // 将 value 转成语音文件存放到本地
 var client = new Baidu.Aip.Speech.Tts(API_KEY, SECRET_KEY);
 // 可选参数
 var option = new Dictionary<string, object>()
 {
  {"spd", 5}, // 语速
  {"vol", 7}, // 音量
  {"per", 3} // 发音人，4：情感度丫丫童声
 };
 var result = client.Synthesis(value, option);
 try {
  if (result.ErrorCode == 0) { // 或 result.Success
   File.WriteAllBytes("E:/prepared/北航/07_工程实践--AI方向/作业/WindowsFormsApplication1/WindowsFormsApplication1/tmp.mp3", result.Data);
  }

 } catch (Exception ex) { Console.Write(ex.StackTrace); }
 Play();
}