private void Button_Stop_Click(object sender, RoutedEventArgs e)
{
try
{
waveSource.StopRecording();
// Close Wave (not needed under synchronous situation)
if (waveSource != null)
{
waveSource.Dispose();
waveSource = null;
}
var response = request.GetResponse();
using (var responseStream = response.GetResponseStream())
using (var streamReader = new StreamReader(responseStream))
{
var responseJsonText = streamReader.ReadToEnd(); // The result in JSON format, with pronunciation score
ScoreResult result = JsonConvert.DeserializeObject <ScoreResult>(responseJsonText);
if (null != result && "Success" == result.RecognitionStatus)
{
NBestItem nBestItem = result.NBest[0];
var pronScore = JsonConvert.SerializeObject(nBestItem);
PronScoreWebBrowser.InvokeScript("generatePronScoreTable", pronScore);
PronScoreWebBrowser.InvokeScript("generatePhoneScoreTable", pronScore);
PronScoreWebBrowser.Visibility = Visibility.Visible;
List <WordsItem> witems = result.NBest[0].Words;
for (int i = 0; i < witems.Count; i++)
{
WordsItem w = witems[i];
if (w.AccuracyScore <= 60.0)
{
ChangeColor(Colors.Red, ReferenceText, w.Word.ToLower(), w.AccuracyScore);
}
else if (w.AccuracyScore <= 70.0)
{
ChangeColor(Colors.Orange, ReferenceText, w.Word.ToLower(), w.AccuracyScore);
}
else
{
ChangeColor(Colors.Green, ReferenceText, w.Word.ToLower(), w.AccuracyScore);
}
}
}
else
{
if (null != result)
{
MessageBox.Show($"Recognition status: {result.RecognitionStatus}");
}
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
progressRing.IsActive = false;
StartBut.Visibility = Visibility.Visible;
StopBut.Visibility = Visibility.Collapsed;
}
}
private void Button_Stop_Click(object sender, RoutedEventArgs e)
{
try
{
waveSource.StopRecording();
// Close Wave(Not needed under synchronous situation)
if (waveSource != null)
{
waveSource.Dispose();
waveSource = null;
}
if (waveFile != null)
{
waveFile.Dispose();
waveFile = null;
}
//var audioFile = @"GoodMorning.wav"; // The audio file in 16khz 16bit PCM format
//var referenceText = "Good Morning!";
var pronScoreParamsJson = $"{{\"ReferenceText\":\"{referenceText}\",\"GradingSystem\":\"HundredMark\",\"Dimension\":\"Comprehensive\",\"EnableMiscue\":\"True\"}}";
var pronScoreParamsBytes = Encoding.UTF8.GetBytes(pronScoreParamsJson);
var pronScoreParams = Convert.ToBase64String(pronScoreParamsBytes);
var request = (HttpWebRequest)HttpWebRequest.Create($"https://{region}.stt.speech.microsoft.com/speech/recognition/interactive/cognitiveservices/v1?language={language}&pronunciationScoreParams={pronScoreParams}");
request.SendChunked = true;
request.Accept = @"application/json;text/xml";
request.Method = "POST";
request.ProtocolVersion = HttpVersion.Version11;
request.ContentType = @"audio/wav; codecs=audio/pcm; samplerate=16000";
request.Headers["Ocp-Apim-Subscription-Key"] = subscriptionKey;
request.AllowWriteStreamBuffering = false;
using (var 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();
}
}
var response = request.GetResponse();
using (var responseStream = response.GetResponseStream())
using (var streamReader = new StreamReader(responseStream))
{
var responseJsonText = streamReader.ReadToEnd(); // The result in JSON format, with pronunciation score
ScoreResult result = JsonConvert.DeserializeObject <ScoreResult>(responseJsonText);
if (null != result && "Success" == result.RecognitionStatus)
{
//PronScore.Text = result.NBest[0].PronScore.ToString();
//AccuracyScore.Text = result.NBest[0].AccuracyScore.ToString();
//FluencyScore.Text = result.NBest[0].FluencyScore.ToString();
//CompletionScore.Text = result.NBest[0].CompletionScore.ToString();
//generatePronScoreTable();generatePhoneScoreTable();
NBestItem nBestItem = result.NBest[0];
var pronScore = JsonConvert.SerializeObject(nBestItem);
PornScoreWebBrowser.InvokeScript("generatePronScoreTable", pronScore);
PornScoreWebBrowser.InvokeScript("generatePhoneScoreTable", pronScore);
PornScoreWebBrowser.Visibility = Visibility.Visible;
List <WordsItem> witems = result.NBest[0].Words;
for (int i = 0; i < witems.Count; i++)
{
WordsItem w = witems[i];
if (w.AccuracyScore <= 60.0)
{
ChangeColor(Colors.Red, ReferenceText, w.Word, w.AccuracyScore);
}
else if (w.AccuracyScore <= 70.0)
{
ChangeColor(Colors.Orange, ReferenceText, w.Word, w.AccuracyScore);
}
else
{
ChangeColor(Colors.Green, ReferenceText, w.Word, w.AccuracyScore);
}
}
}
else
{
if (null != result)
{
MessageBox.Show(result.RecognitionStatus);
}
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally {
progressRing.IsActive = false;
StartBut.Visibility = Visibility.Visible;
StopBut.Visibility = Visibility.Collapsed;
}
}