private void Recognizer_SpeechRecognized(object sender, SpeechRecognizedEventArgs e)
{
if (_voiceCommandState == VoiceCommandState.ListenModeOff && (e.Result.Text == $"{GrammarDictionary.WakeupWord} {GrammarDictionary.ListenMode} {GrammarDictionary.ChoiceOnOff.On}"))
{
Console.Beep(500, 300);
Console.Beep(700, 300);
Console.ForegroundColor = ConsoleColor.Yellow;
_voiceCommandState = VoiceCommandState.ListenModeOn;
Console.WriteLine($"Voice command state {_voiceCommandState}");
Console.ForegroundColor = ConsoleColor.Gray;
return;
}
if (_voiceCommandState == VoiceCommandState.ListenModeOn && e.Result.Text == $"{GrammarDictionary.WakeupWord} {GrammarDictionary.ListenMode} {GrammarDictionary.ChoiceOnOff.Off}")
{
Console.Beep(600, 300);
Console.Beep(300, 300);
Console.ForegroundColor = ConsoleColor.Red;
_voiceCommandState = VoiceCommandState.ListenModeOff;
Console.WriteLine($"Voice command state {_voiceCommandState}");
Console.ForegroundColor = ConsoleColor.Gray;
return;
}
if (_voiceCommandState == VoiceCommandState.ListenModeOff)
{
return;
}
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine($"Recognized {e.Result.Text}");
Message message = _sentenceParser.AnalyzeRecognizedText(e.Result.Text);
if (message != null)
{
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine($"SUCCESS!!!");
Console.WriteLine(e.Result.Text);
Console.Write($"topic=[{message.Topic}] command=[");
Console.ForegroundColor = "HIGH".Equals(message.Command) ? ConsoleColor.Yellow : ConsoleColor.Red;
Console.Write(message.Command);
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("]");
Console.WriteLine();
this.MessageRecognized?.Invoke(this, message);
Console.Beep(400, 200);
}
Console.ForegroundColor = ConsoleColor.Gray;
}
public SpeechRecognitionRunner()
{
_voiceCommandState = VoiceCommandState.ListenModeOff;
_sentenceParser = new SentenceParser();
_recognizer = new SpeechRecognitionEngine();
var choicesOnOff = new Choices(new[] { GrammarDictionary.ChoiceOnOff.On, GrammarDictionary.ChoiceOnOff.Off });
var choicesSwitchTurn = new Choices(new[] { GrammarDictionary.SwitchTurn.Switch, GrammarDictionary.SwitchTurn.Turn });
_recognizer.LoadGrammar(CreateActivationGrammar(choicesOnOff));
_recognizer.LoadGrammar(CreateSonoffGrammar(choicesSwitchTurn, choicesOnOff));
_recognizer.LoadGrammar(CreateDiodesGrammar(choicesSwitchTurn, choicesOnOff));
_recognizer.SpeechRecognized += Recognizer_SpeechRecognized;
_recognizer.AudioStateChanged += Recognizer_AudioStateChanged;
_recognizer.SpeechHypothesized += Recognizer_SpeechHypothesized;
_recognizer.SetInputToDefaultAudioDevice();
}