c# - Multi-level Speech Commands? -


i'm trying multi-level command speech, i'm having trouble it...

i want have master commands like: "tv", "light", "water" etc

when "tv", example, want have sub commands desired action, like:

when "tv": sub commands -> "volume up", "volume down", "power off", "power on"

i'll recognized commands tv, until "tv done". master command's list.

how can that?

my actual code this:

 class program     {         static dictionary<string, string> listacanais = new dictionary<string, string>()             {                 { "fox news", "0 6 0" },                 { "the weather channel", "0 3 1"},                 { "spike", "0 3 8"}             };         static void main(string[] args)         {             using (var sre = new speechrecognitionengine(new system.globalization.cultureinfo("pt-br")))             {                 sre.setinputtodefaultaudiodevice();                  sre.loadgrammarasync(comandos());                  sre.requestrecognizerupdate();                 sre.speechrecognitionrejected += sre_speechrecognitionrejected;                 sre.speechrecognized += sre_speechrecognized;                  sre.recognizeasync(recognizemode.multiple);                  console.readline();             }         }          public static grammar comandos()         {             choices numerostv = new choices("zero", "um", "dois", "três", "quatro", "cinco", "seis", "sete", "oito", "nove", "10", "11", "12");              grammarbuilder frasenumerotv = new grammarbuilder(numerostv);              grammarbuilder frasemudarcanal = new grammarbuilder("tv, canal");             frasemudarcanal.append(numerostv);             //frasemudarcanal.append(numerostv);             //frasemudarcanal.append(numerostv);              choices nomecanal = new choices();                        foreach (string key in listacanais.keys)             {                 nomecanal.add(key);             }              grammarbuilder frasenomecanal = new grammarbuilder("tv, canal");             frasenomecanal.append(nomecanal);              grammarbuilder frasemudo = new grammarbuilder("tv, silencioso");             grammarbuilder fraseligar = new grammarbuilder("tv, ligar");             grammarbuilder frasefecharapp = new grammarbuilder("controle, fechar aplicativo");             grammarbuilder frasepausecomandovoz = new grammarbuilder("controle, pausar comando de voz");             grammarbuilder fraseiniciarcomandovoz = new grammarbuilder("controle, ativar comando de voz");              choices opcoesprincipais = new choices(new grammarbuilder[] {frasemudarcanal,                                                                          frasenomecanal,                                                                          frasemudo,                                                                          fraseligar,                                                                          frasefecharapp,                                                                          frasepausecomandovoz,                                                                          fraseiniciarcomandovoz});              grammar resultado = new grammar((grammarbuilder)opcoesprincipais);             return resultado;          }          static void sre_speechrecognitionrejected(object sender, speechrecognitionrejectedeventargs e)         {             console.writeline("ignorado");          }          // create simple handler speechrecognized event.         static void sre_speechrecognized(object sender, speechrecognizedeventargs e)         {             console.writeline("ouvi");              if (e.result == null)                 return;              console.writeline("[ " + e.result.confidence + " ]" + "reconhecido: " + e.result.text);         }     }

thanks in advance.

such things easy implement within state machine framework. define state of recognizer , act based on it, main work done in onrecognitionresult method:

states = {input, tv, water};  inputgrammar = createinputgrammar(); tvgrammar = createtvgrammar(); watergrammar = createwatergrammar();  state = input;  vodi onrecognitionresult() {     if (state == input) {         if (result == "tv") {             state = tv;             recognizer.loadgrammar(tvgrammar);         }    }    if (state == tv) {         if (result == "volume up") {             raisevolume();         }         if (result == "tv done") {             state = input;             recognizer.loadgrammar(inputgrammar);         }     }     // restart recognition     recognizer.recognizeasync(); }

you can read simple state machine example in c#? more information.


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