基于C# 百度AI和科大汛飞语音合成SDK

   #region 百度语音

        private void simpleButton1_Click(object sender,EventArgs e)
        {
            if (spinEdit1.Value <= 0)
            {
                spinEdit1.Focus();
                return;
            }
            if (trackBarControl1.Value <= 0)
            {
                trackBarControl1.Focus();
                return;
            }

            if (string.IsNullOrEmpty(textBox1.Text.Trim()))
            {
                textBox1.Focus();
                textBox1.Select();
                return;
            }

            // 设置APPID/AK/SK
            var APP_ID = "******";
            var API_KEY = "******";
            var SECRET_KEY = "*****";

            var client = new Baidu.Aip.Speech.Tts(API_KEY,SECRET_KEY);
            client.Timeout = 60000;  // 修改超时时间


            // 可选参数
            var option = new Dictionary<string,object>()
            {
                {"spd",spinEdit1.Value},// 语速
                {"vol",trackBarControl1.Value},// 音量
                {"per",comboBoxEdit1.SelectedIndex}  // 发音人，4：情感度丫丫童声
            };
            var result = client.Synthesis(textBox1.Text,option);

            if (xtraSaveFileDialog1.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {

                if (result.ErrorCode == 0)  // 或 result.Success
                {
                    File.WriteAllBytes(xtraSaveFileDialog1.FileName,result.Data);
                }
            }
        }

        #endregion

  public class Rootobject
    {
        public string auf { get; set; }
        public string aue { get; set; }
        public string voice_name { get; set; }
        public string speed { get; set; }
        public string volume { get; set; }
        public string pitch { get; set; }
        public string engine_type { get; set; }
        public string text_type { get; set; }
    }

        String Md5(string s)
        {
            System.Security.Cryptography.MD5 md5 = new System.Security.Cryptography.MD5CryptoServiceProvider();
            byte[] bytes = System.Text.Encoding.UTF8.GetBytes(s);
            bytes = md5.ComputeHash(bytes);
            md5.Clear();
            string ret = "";
            for (int i = 0; i < bytes.Length; i++)
            {
                ret += Convert.ToString(bytes[i],16).PadLeft(2,‘0‘);
            }
            return ret.PadLeft(32,‘0‘);
        }

        #region 把流转换成缓存流
        MemoryStream StreamToMemoryStream(Stream instream)
        {
            MemoryStream outstream = new MemoryStream();
            const int bufferLen = 4096;
            byte[] buffer = new byte[bufferLen];
            int count = 0;
            while ((count = instream.Read(buffer,0,bufferLen)) > 0)
            {
                outstream.Write(buffer,0,count);
            }
            return outstream;
        }
        #endregion

        #region 把缓存流转换成字节组
        public static byte[] streamTobyte(MemoryStream memoryStream)
        {
            byte[] buffer = new byte[memoryStream.Length];
            memoryStream.Seek(0,SeekOrigin.Begin);
            memoryStream.Read(buffer,buffer.Length);
            return buffer;
        }
        #endregion

   private void simpleButton2_Click(object sender,EventArgs e)
        {

            // 应用APPID（必须为webapi类型应用，并开通语音合成服务，参考帖子如何创建一个webapi应用：http://bbs.xfyun.cn/forum.php?mod=viewthread&tid=36481）
            string appID = "****";
            // 接口密钥（webapi类型应用开通合成服务后，控制台--我的应用---语音合成---相应服务的apikey）
            string APIKey = "****";
            // 语音合成webapi接口地址
            String url = "http://api.xfyun.cn/v1/service/v1/tts";
            String bodys;
            // 待合成文本
            string text = memoEdit1.Text;
            // 对要合成语音的文字先用utf-8然后进行URL加密
            byte[] textData = Encoding.UTF8.GetBytes(text);

            text = HttpUtility.UrlEncode(textData);
            bodys = string.Format("text={0}",text);

            //aue = raw,音频文件保存类型为 wav或者pcm
            //aue = lame,音频文件保存类型为 mp3
            string AUE = "lame";

            Rootobject root = new Rootobject();
            root.aue = AUE;
            root.auf = "audio/L16;rate=16000";
            root.speed = speed.Value.ToString();
            root.pitch = pitch.Value.ToString();
            root.volume = volume.Value.ToString();
            root.voice_name = voice_name.Text.Split(‘-‘)[0];
            root.engine_type = engine_type.Text.Split(‘-‘)[0];
            root.text_type = "text";
            string param = Newtonsoft.Json.JsonConvert.SerializeObject(root);
            // 获取十位的时间戳
            TimeSpan ts = DateTime.UtcNow - new DateTime(1970,1,0);
            string curTime = Convert.ToInt64(ts.TotalSeconds).ToString();
            // 对参数先utf-8然后用base64编码
            byte[] paramData = Encoding.UTF8.GetBytes(param);
            string paraBase64 = Convert.ToBase64String(paramData);
            // 形成签名
            string checkSum = Md5(APIKey + curTime + paraBase64);
            // 组装http请求头
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
            request = (HttpWebRequest)WebRequest.Create(url);
            request.Method = "POST";
            request.ContentType = "application/x-www-form-urlencoded";
            request.Headers.Add("X-Param",paraBase64);
            request.Headers.Add("X-CurTime",curTime);
            request.Headers.Add("X-Appid",appID);
            request.Headers.Add("X-CheckSum",checkSum);

            Stream requestStream = request.GetRequestStream();
            StreamWriter streamWriter = new StreamWriter(requestStream,Encoding.GetEncoding("gb2312"));
            streamWriter.Write(bodys);
            streamWriter.Close();

            String htmlStr = string.Empty;
            HttpWebResponse response = request.GetResponse() as HttpWebResponse;
            Stream responseStream = response.GetResponseStream();

            using (StreamReader reader = new StreamReader(responseStream,Encoding.GetEncoding("UTF-8")))
            {
                string header_type = response.Headers["Content-Type"];
                if (header_type == "audio/mpeg")
                {
                    Stream st = response.GetResponseStream();
                    MemoryStream memoryStream = StreamToMemoryStream(st);

                    if (xtraSaveFileDialog2.ShowDialog() == System.Windows.Forms.DialogResult.OK)
                    {
                        // 保存音频文件地址和音频格式类型
                        File.WriteAllBytes(xtraSaveFileDialog2.FileName,streamTobyte(memoryStream));
                    }

                    Console.WriteLine(response.Headers);
                    Console.ReadLine();
                }
                else
                {
                    htmlStr = reader.ReadToEnd();
                    Console.WriteLine(htmlStr);
                    Console.ReadLine();
                }
            }
            responseStream.Close();
        }

        #endregion
    }