static void Main(string[] args)
{
if ((args.Length < 2) || (string.IsNullOrWhiteSpace(args[0])))
{
Console.WriteLine("Arg[0]: Specify the endpoint to hit https://speech.platform.bing.com/recognize");
Console.WriteLine("Arg[1]: Specify a valid input wav file.");
return;
}
AccessTokenInfo token;
string headerValue;
// Note: Sign up at http://www.projectoxford.ai to get a subscription key. Search for Speech APIs from Azure Marketplace.
// Use the subscription key as Client secret below.
Authentication auth = new Authentication("BOP_SoySaucea", "8da0b380ab924ba79ec186bbf7e88b26");
string requestUri = args[0].Trim(new char[] { '/', '?' });
/* URI Params. Refer to the README file for more information. */
requestUri += @"?scenarios=smd"; // websearch is the other main option.
requestUri += @"&appid=D4D52672-91D7-4C74-8AD8-42B1D98141A5"; // You must use this ID.
requestUri += @"&locale=zh-CN"; // We support several other languages. Refer to README file.
requestUri += @"&device.os=Windows7";
requestUri += @"&version=3.0";
requestUri += @"&format=json";
requestUri += @"&instanceid=565D69FF-E928-4B7E-87DA-9A750B96D9E3";
requestUri += @"&requestid=" + Guid.NewGuid().ToString();
string host = @"speech.platform.bing.com";
string contentType = @"audio/wav; codec=""audio/pcm""; samplerate=16000";
/*
* Input your own audio file or use read from a microphone stream directly.
*/
string audioFile = args[1];
string responseString;
FileStream fs = null;
try
{
token = auth.GetAccessToken();
Console.WriteLine("Token: {0}\n", token.access_token);
/*
* Create a header with the access_token property of the returned token
*/
headerValue = "Bearer " + token.access_token;
Console.WriteLine("Request Uri: " + requestUri + Environment.NewLine);
HttpWebRequest request = null;
request = (HttpWebRequest)HttpWebRequest.Create(requestUri);
request.SendChunked = true;
request.Accept = @"application/json;text/xml";
request.Method = "POST";
request.ProtocolVersion = HttpVersion.Version11;
request.Host = host;
request.ContentType = contentType;
request.Headers["Authorization"] = headerValue;
using (fs = new FileStream(audioFile, FileMode.Open, FileAccess.Read))
{
/*
* Open a request stream and write 1024 byte chunks in the stream one at a time.
*/
byte[] buffer = null;
int bytesRead = 0;
using (Stream requestStream = request.GetRequestStream())
{
/*
* Read 1024 raw bytes from the input audio file.
*/
buffer = new Byte[checked((uint)Math.Min(1024, (int)fs.Length))];
while ((bytesRead = fs.Read(buffer, 0, buffer.Length)) != 0)
{
requestStream.Write(buffer, 0, bytesRead);
}
// Flush
requestStream.Flush();
}
/*
* Get the response from the service.
*/
Console.WriteLine("Response:");
using (WebResponse response = request.GetResponse())
{
Console.WriteLine(((HttpWebResponse)response).StatusCode);
using (StreamReader sr = new StreamReader(response.GetResponseStream()))
{
responseString = sr.ReadToEnd();
}
Console.WriteLine(responseString);
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
Console.WriteLine(ex.Message);
}
}
