用 C# 开发自己的语音识别程序

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();
}