public static string SpeechToText(string fileName) { AdmAccessToken admToken; string headerValue; /* * Note: Create an App using the ADM portal by signing up for an account at https://datamarket.azure.com/home and then go to https://datamarket.azure.com/developer/applications and click register. Put in some unique clientId and a client secret will be generated for you. */ AdmAuthentication admAuth = new AdmAuthentication("HumanRecognizer", "/2fNvl3PRwiUMm9WLo1IcGF6lR0wUDacDQYsEEJHRr0="); string requestUri = @"https://speech.platform.bing.com/recognize"; /* 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=en-US"; // We support several other languages. Refer to README file. requestUri += @"&device.os=wp7"; 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 = fileName; string responseString = ""; FileStream fs = null; try { admToken = admAuth.GetAccessToken(); Console.WriteLine("ADM Token: {0}\n", admToken.access_token); /* * Create a header with the access_token property of the returned token */ headerValue = "Bearer " + admToken.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); } return(responseString); }
public static string SpeechToText(string fileName) { AdmAccessToken admToken; string headerValue; /* * Note: Create an App using the ADM portal by signing up for an account at https://datamarket.azure.com/home and then go to https://datamarket.azure.com/developer/applications and click register. Put in some unique clientId and a client secret will be generated for you. */ AdmAuthentication admAuth = new AdmAuthentication("HumanRecognizer", "/2fNvl3PRwiUMm9WLo1IcGF6lR0wUDacDQYsEEJHRr0="); string requestUri = @"https://speech.platform.bing.com/recognize"; /* 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=en-US"; // We support several other languages. Refer to README file. requestUri += @"&device.os=wp7"; 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 = fileName; string responseString =""; FileStream fs = null; try { admToken = admAuth.GetAccessToken(); Console.WriteLine("ADM Token: {0}\n", admToken.access_token); /* * Create a header with the access_token property of the returned token */ headerValue = "Bearer " + admToken.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); } return responseString; }