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Button2_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, 1, 0, 0, 0, 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
}
通过尝试百度和科大讯飞两个语音合成接口，发现科大讯飞语音比较好一些，百度有些词语会读错。
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