// TODO Clean this up
public void OnSpeechRecognition(RecognizedSpeechEventArgs e)
{
lock (padLock)
{
switch (e.Type)
{
case RecognizedSpeechType.Hypothesis:
case RecognizedSpeechType.Stop:
if (lastTs != DateTime.MinValue && DateTime.UtcNow - lastTs > TimeSpan.FromSeconds(1))
{
segment = "";
}
if (e.Words.Length > 0)
{
segment += " " + string.Join(" ", e.Words);
}
segment = segment.Trim();
segment = ExecuteCommandPhrase(segment, e.Type == RecognizedSpeechType.Stop);
break;
case RecognizedSpeechType.Correction:
{
int lastIdx = segment.LastIndexOf(' ');
segment = lastIdx == -1 ? "" : segment.Substring(0, lastIdx);
if (e.Words.Length > 0)
{
segment += " " + string.Join(" ", e.Words);
}
segment = segment.Trim();
break;
}
}
lastTs = DateTime.UtcNow;
}
}
private void DispatchResult(RecognitionResult result, RecognizedSpeechType type)
{
var curRecognitionResult = result;
if (prevRecognitionResult != null &&
Math.Abs(curRecognitionResult.Confidence - prevRecognitionResult.Confidence) > 0.25)
{
Console.WriteLine("! Abandoned");
return;
}
else
{
Console.Write("! DispatchResult ");
}
var prevText = prevRecognitionResult == null ? "" : prevRecognitionResult.Text;
var curText = curRecognitionResult.Text;
int i = 0;
for (; i < prevText.Length && i < curText.Length; ++i)
{
if (prevText[i] != curText[i])
{
break;
}
}
bool isCorrection = prevText != "" && i < curText.Length && curText[i] != ' ';
for (; i > 0 && i < curText.Length; --i)
{
if (curText[i] == ' ')
{
break;
}
}
curText = curText.Substring(i, curText.Length - i);
curText = curText.Replace(",", " comma ");
var words = curText.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
for (int j = 0; j < words.Length; ++j)
{
words[j] = new string(words[j].Where(char.IsLetterOrDigit).Select(char.ToLowerInvariant).ToArray());
foreach (var correction in corrections)
{
words[j] = words[j].Replace(correction.Key, correction.Value);
}
}
Console.WriteLine("{0} - {1}", result.Confidence, curText);
prevRecognitionResult = curRecognitionResult;
var args = new RecognizedSpeechEventArgs
{
Type = isCorrection ? RecognizedSpeechType.Correction : type,
Words = words
};
foreach (var service in services.Values)
{
service.OnSpeechRecognition(args);
}
}