Voximplant ASR example #2: streaming commands

asr_streaming_commands.js

// Enable ASR module
require(Modules.ASR);

var call, asr;

// Answer inbound call
VoxEngine.addEventListener(AppEvents.CallAlerting, function (e) {
	call = e.call;
	call.addEventListener(CallEvents.Connected, onCallConnected);
	call.addEventListener(CallEvents.Disconnected, VoxEngine.terminate);
	call.answer();
});

function onCallConnected(callevent) {
    // create ASR instance
	asr = VoxEngine.createASR(ASRLanguage.ENGLISH_US, ["Yellow", "Green", "Red", "Blue", "White", "Black"]);
  
    // Recognition result
	asr.addEventListener(ASREvents.Result, function (e) {        
		call.say("You have chosen " + e.text + " color, confidence is " + e.confidence, Language.US_ENGLISH_FEMALE);
	});
  
    // Speech captured - stop sending data to ASR
	asr.addEventListener(ASREvents.SpeechCaptured, function (e) {        
		call.stopMediaTo(asr);
	});

	call.say("Choose your color", Language.US_ENGLISH_FEMALE);
    
	call.addEventListener(CallEvents.PlaybackFinished, function (e) {
        call.removeEventListener(CallEvents.PlaybackFinished);
		call.sendMediaTo(asr);
	});
}