C# SpeechRecognitionEngine类代码示例

        //Speech recognizer
        private SpeechRecognitionEngine CreateSpeechRecognizer()
        {
            RecognizerInfo ri = GetKinectRecognizer();

            SpeechRecognitionEngine sre;
            sre = new SpeechRecognitionEngine(ri.Id);

            //words we need the program to recognise
            var grammar = new Choices();
            grammar.Add(new SemanticResultValue("moustache", "MOUSTACHE"));
            grammar.Add(new SemanticResultValue("top hat", "TOP HAT"));
            grammar.Add(new SemanticResultValue("glasses", "GLASSES"));
            grammar.Add(new SemanticResultValue("sunglasses", "SUNGLASSES"));
            grammar.Add(new SemanticResultValue("tie", "TIE"));
            grammar.Add(new SemanticResultValue("bow", "BOW"));
            grammar.Add(new SemanticResultValue("bear", "BEAR"));
            //etc

            var gb = new GrammarBuilder { Culture = ri.Culture };
            gb.Append(grammar);

            var g = new Grammar(gb);
            sre.LoadGrammar(g);

            //Events for recognising and rejecting speech
            sre.SpeechRecognized += SreSpeechRecognized;
            sre.SpeechRecognitionRejected += SreSpeechRecognitionRejected;
            return sre;
        }

        public SpeechRecognizer(string file, KinectSensor sensor)
        {
            this.grammarFile = file;
            this.kinectSensor = sensor;
            audioSource = kinectSensor.AudioSource;
            audioSource.AutomaticGainControlEnabled = false;
            audioSource.BeamAngleMode = BeamAngleMode.Adaptive;

            Func<RecognizerInfo, bool> matchingFunc = r =>
            {
                string value;
                r.AdditionalInfo.TryGetValue("Kinect", out value);
                return "True".Equals(value, StringComparison.InvariantCultureIgnoreCase) && "en-US".Equals(r.Culture.Name, StringComparison.InvariantCultureIgnoreCase);
            };
            var recognizerInfo = SpeechRecognitionEngine.InstalledRecognizers().Where(matchingFunc).FirstOrDefault();
            if (recognizerInfo == null)
                return;

            speechRecognitionEngine = new SpeechRecognitionEngine(recognizerInfo.Id);

            var grammar = new Grammar(grammarFile);
            speechRecognitionEngine.LoadGrammar(grammar);

            audioStream = audioSource.Start();
            speechRecognitionEngine.SetInputToAudioStream(audioStream, new SpeechAudioFormatInfo(EncodingFormat.Pcm, 16000, 16, 1, 32000, 2, null));

            speechRecognitionEngine.AudioStateChanged += onAudioStateChanged;
            speechRecognitionEngine.SpeechRecognized += onSpeechRecognized;
            speechRecognitionEngine.RecognizeCompleted += onSpeechRecognizeCompleted;
            speechRecognitionEngine.EmulateRecognizeCompleted += onEmulateRecognizeCompleted;
        }

        public static SpeechRecognitionEngine InitializeSRE()
        {
            //Create the speech recognition engine
            SpeechRecognitionEngine sre = new SpeechRecognitionEngine();
            using (sre)
            {

                //Set the audio device to the OS default
                sre.SetInputToDefaultAudioDevice();

                // Reset the Grammar
                sre.UnloadAllGrammars();

                // Load the plugins
                LoadPlugins();

                //Load all of the grammars
                foreach (IJarvisPlugin plugin in _plugins)
                    sre.LoadGrammar(plugin.getGrammar());

                //Set the recognition mode

                sre.RecognizeAsync(RecognizeMode.Multiple);

                //Add an event Handler
                sre.SpeechRecognized += new EventHandler<SpeechRecognizedEventArgs>(Engine.SpeechRecognized);
                while (!Jarvis.JarvisMain.stop)
                {
                }
            }
            return sre;
        }

        public MainWindow()
        {
            InitializeComponent();

            var config = new JsonConfigHandler( System.IO.Path.Combine( Environment.GetFolderPath( Environment.SpecialFolder.ApplicationData ), "LeagueTag" ) );
            //config.Populate();
            config.Save();
            //config.Save(
            return;
            var engine = new SpeechRecognitionEngine();

            var builder = new GrammarBuilder();
            builder.Append( "tag" );
            builder.Append( new Choices( "baron", "dragon" ) );

            engine.RequestRecognizerUpdate();
            engine.LoadGrammar( new Grammar( builder ) );

            engine.SpeechRecognized += engine_SpeechRecognized;

            engine.SetInputToDefaultAudioDevice();
            engine.RecognizeAsync( RecognizeMode.Multiple );

            CompositionTarget.Rendering += CompositionTarget_Rendering;

            this.DataContext = this;
        }

        public SpeechRecogniser()
        {
            RecognizerInfo ri = SpeechRecognitionEngine.InstalledRecognizers().Where(r => r.Id == RecognizerId).FirstOrDefault();
            if (ri == null)
                return;

            sre = new SpeechRecognitionEngine(ri.Id);

            // Build a simple grammar of shapes, colors, and some simple program control
            var instruments = new Choices();
            foreach (var phrase in InstrumentPhrases)
                instruments.Add(phrase.Key);

            var objectChoices = new Choices();
            objectChoices.Add(instruments);

            var actionGrammar = new GrammarBuilder();
            //actionGrammar.AppendWildcard();
            actionGrammar.Append(objectChoices);

            var gb = new GrammarBuilder();
            gb.Append(actionGrammar);

            var g = new Grammar(gb);
            sre.LoadGrammar(g);
            sre.SpeechRecognized += sre_SpeechRecognized;
            sre.SpeechHypothesized += sre_SpeechHypothesized;
            sre.SpeechRecognitionRejected += new EventHandler<SpeechRecognitionRejectedEventArgs>(sre_SpeechRecognitionRejected);

            var t = new Thread(StartDMO);
            t.Start();

            valid = true;
        }

		public MainWindow()
		{
			InitializeComponent();
			NewGame();
			try
			{
				var sre = new SpeechRecognitionEngine(new CultureInfo("en-US"));
			}
			catch (Exception ex)
			{
				MessageBox.Show("Печаль, печаль, печаль.\nНе хочу тебя расстраивать дружище, но кажется на твоем компе не установлен Speech Recognition для английского языка.\nУстанови его, и может быть удача улыбнется тебе.");
				Close();
			}
			allCommand.Text = @"Aa [ ei ] [эй]
Bb [ bi: ] [би]
Cc [ si: ] [си]
Dd [ di: ] [ди]
Ee [ i: ] [и]
Ff [ ef ] [эф]
Gg [ dʒi: ] [джи]
Hh [ eitʃ ] [эйч]
Ii [ ai ] [ай]
Jj [ dʒei ] [джей]";
			Task.Factory.StartNew(Run);
		}

        //here is the fun part: create the speech recognizer
        private SpeechRecognitionEngine CreateSpeechRecognizer()
        {
            //set recognizer info
            RecognizerInfo ri = GetKinectRecognizer();
            //create instance of SRE
            SpeechRecognitionEngine sre;
            sre = new SpeechRecognitionEngine(ri.Id);

            //Now we need to add the words we want our program to recognise
            var grammar = new Choices();
            grammar.Add("hello");
            grammar.Add("goodbye");

            //set culture - language, country/region
            var gb = new GrammarBuilder { Culture = ri.Culture };
            gb.Append(grammar);

            //set up the grammar builder
            var g = new Grammar(gb);
            sre.LoadGrammar(g);

            //Set events for recognizing, hypothesising and rejecting speech
            sre.SpeechRecognized += SreSpeechRecognized;
            sre.SpeechHypothesized += SreSpeechHypothesized;
            sre.SpeechRecognitionRejected += SreSpeechRecognitionRejected;
            return sre;
        }

        public void InitializeSpeechRecognitionEngine(String filePath)
        {
            MySpeechRecognitionEngine = new SpeechRecognitionEngine();
            //MySpeechRecognitionEngine.SetInputToDefaultAudioDevice();

            MySpeechRecognitionEngine.UnloadAllGrammars();

            try
            {

                MySpeechRecognitionEngine.SetInputToWaveFile(filePath);

                Process.Start("C:\\Program Files\\Windows Media Player\\wmplayer.exe", ("\"" + filePath + "\""));

                MySpeechRecognitionEngine.LoadGrammar(new DictationGrammar());

                MySpeechRecognitionEngine.RecognizeAsync(RecognizeMode.Single);

                MySpeechRecognitionEngine.AudioLevelUpdated += MySpeechRecognitionEngine_AudioLevelUpdated;

                MySpeechRecognitionEngine.SpeechRecognized += MySpeechRecognitionEnginee_SpeechRecognized;

                MySpeechRecognitionEngine.AudioStateChanged += MySpeechRecognitionEnginee_AudioStateChanged;

                MySpeechRecognitionEngine.RecognizeCompleted += MySpeechRecognitionEngine_RecognizeCompleted;

            }

            catch (Exception ex)
            {

                Console.Write(ex.Message.ToString());

            }
        }

        public void initRS()
        {
            try
            {
                SpeechRecognitionEngine sre = new SpeechRecognitionEngine(new CultureInfo("en-US"));

                var words = new Choices();
                words.Add("Hello");
                words.Add("Jump");
                words.Add("Left");
                words.Add("Right");

                var gb = new GrammarBuilder();
                gb.Culture = new System.Globalization.CultureInfo("en-US");
                gb.Append(words);
                Grammar g = new Grammar(gb);

                sre.LoadGrammar(g);
                
                sre.SpeechRecognized += new EventHandler<SpeechRecognizedEventArgs>(sre_SpeechRecognized);
                sre.SetInputToDefaultAudioDevice();
                sre.RecognizeAsync(RecognizeMode.Multiple);
            }
            catch (Exception e)
            {
                label1.Text = "init RS Error : " + e.ToString();
            }
        }

        public void StartListening()
        {
            if (null != _ri)
            {
                _speechEngine = new SpeechRecognitionEngine(_ri.Id);

                // Create a grammar from grammar definition XML file.
                using (var memoryStream = new MemoryStream(Encoding.ASCII.GetBytes(KAIT.Kinect.Service.Properties.Resources.SpeechGrammar)))
                {
                    var g = new Grammar(memoryStream);
                    _speechEngine.LoadGrammar(g);
                }

                _speechEngine.SpeechRecognized += _speechEngine_SpeechRecognized;
                _speechEngine.SpeechRecognitionRejected += _speechEngine_SpeechRecognitionRejected;

                // let the convertStream know speech is going active
                _convertStream.SpeechActive = true;

     
                _speechEngine.SetInputToAudioStream(
                    _convertStream, new SpeechAudioFormatInfo(EncodingFormat.Pcm, 16000, 16, 1, 32000, 2, null));
                _speechEngine.RecognizeAsync(RecognizeMode.Multiple);

     
            }
        }

        public void InicializeSpeechRecognize()
        {
            RecognizerInfo ri = GetKinectRecognizer();
            if (ri == null)
            {
                throw new RecognizerNotFoundException();
            }

            try
            {
                    _sre = new SpeechRecognitionEngine(ri.Id);
            }
            catch(Exception e)
            {
                Console.WriteLine(e.Message);
                throw e;
            }

               var choises = new Choices();
            foreach(CommandSpeechRecognition cmd in _commands.Values)
            {
                choises.Add(cmd.Choise);
            }

            var gb = new GrammarBuilder {Culture = ri.Culture};
            gb.Append(choises);
            var g = new Grammar(gb);

            _sre.LoadGrammar(g);
            _sre.SpeechRecognized += SreSpeechRecognized;
            _sre.SpeechHypothesized += SreSpeechHypothesized;
            _sre.SpeechRecognitionRejected += SreSpeechRecognitionRejected;
        }

void BuildSpeechEngine(RecognizerInfo rec)
{
    _speechEngine = new SpeechRecognitionEngine(rec.Id);

    var choices = new Choices();
    choices.Add("venus");
    choices.Add("mars");
    choices.Add("earth");
    choices.Add("jupiter");
    choices.Add("sun");

    var gb = new GrammarBuilder { Culture = rec.Culture };
    gb.Append(choices);

    var g = new Grammar(gb);

    _speechEngine.LoadGrammar(g);
    //recognized a word or words that may be a component of multiple complete phrases in a grammar.
    _speechEngine.SpeechHypothesized += new EventHandler<SpeechHypothesizedEventArgs>(SpeechEngineSpeechHypothesized);
    //receives input that matches any of its loaded and enabled Grammar objects.
    _speechEngine.SpeechRecognized += new EventHandler<SpeechRecognizedEventArgs>(_speechEngineSpeechRecognized);
    //receives input that does not match any of its loaded and enabled Grammar objects.
    _speechEngine.SpeechRecognitionRejected += new EventHandler<SpeechRecognitionRejectedEventArgs>(_speechEngineSpeechRecognitionRejected);


    //C# threads are MTA by default and calling RecognizeAsync in the same thread will cause an COM exception.
    var t = new Thread(StartAudioStream);
    t.Start();
}

        public SpeechConversation(SpeechSynthesizer speechSynthesizer = null, SpeechRecognitionEngine speechRecognition = null)
        {
            SessionStorage = new SessionStorage();
            if(speechSynthesizer==null)
            {
                speechSynthesizer = new SpeechSynthesizer();
                speechSynthesizer.SetOutputToDefaultAudioDevice();
            }
            _speechSynthesizer = speechSynthesizer;
            if(speechRecognition==null)
            {
                speechRecognition = new SpeechRecognitionEngine(
                    new System.Globalization.CultureInfo("en-US")
                );
                // Create a default dictation grammar.
                DictationGrammar defaultDictationGrammar = new DictationGrammar();
                defaultDictationGrammar.Name = "default dictation";
                defaultDictationGrammar.Enabled = true;
                speechRecognition.LoadGrammar(defaultDictationGrammar);
                // Create the spelling dictation grammar.
                DictationGrammar spellingDictationGrammar = new DictationGrammar("grammar:dictation#spelling");
                spellingDictationGrammar.Name = "spelling dictation";
                spellingDictationGrammar.Enabled = true;
                speechRecognition.LoadGrammar(spellingDictationGrammar);

                // Configure input to the speech recognizer.
                speechRecognition.SetInputToDefaultAudioDevice();
            }
            _speechRecognition = speechRecognition;
        }

        private static SpeechRecognitionEngine GetSpeechRecognitionEngine()
        {
            var sre = new SpeechRecognitionEngine();

            sre.LoadGrammar(new DictationGrammar());
            sre.SetInputToDefaultAudioDevice();

            sre.SpeechRecognized += (s, e) =>
            {
                if (e.Result != null &&
                    !String.IsNullOrEmpty(e.Result.Text))
                {
                    using (new ConsoleForegroundColor(ConsoleColor.Green))
                    {
                        Console.WriteLine(e.Result.Text);
                    }

                    return;
                }

                using (new ConsoleForegroundColor(ConsoleColor.Red))
                {
                    Console.WriteLine("Recognized text not available.");
                }
            };
            //sr.SpeechRecognized += SpeechRecognizedHandler;

            return sre;
        }

        public SpeechInput(Settings settings, MusicList musicCollection, string playerPath) {
            ModeTimer = new CommandModeTimer();
            RNG = new Random();
            AppSettings = settings;
            SRecognize = new SpeechRecognitionEngine();
            Player = new Aimp3Player(playerPath);
            if(musicCollection != null) {
                MusicCollection = musicCollection;
            } else {
                throw new ArgumentNullException(nameof(musicCollection));
            }
            InitCommands();

            try {
                LoadGrammar();

                SRecognize.SetInputToDefaultAudioDevice();
                SRecognize.RecognizeAsync(RecognizeMode.Multiple);
            } catch(Exception e) {
                System.Windows.Forms.MessageBox.Show("Error while starting SpeechInput\n" + e.ToString());
            }
            SRecognize.SpeechRecognized += SRecognize_SpeechRecognized;

            MusicCollection.SongListUpdated += (s, a) => LoadGrammar();
        }