AmbientListener.java

package me.masterejay.gorobo;

import com.darkprograms.speech.microphone.Microphone;
import com.darkprograms.speech.microphone.MicrophoneAnalyzer;
import com.darkprograms.speech.recognizer.GoogleResponse;
import com.darkprograms.speech.recognizer.Recognizer;
import javaFlacEncoder.FLACFileWriter;

import javax.sound.sampled.AudioFileFormat;
import java.io.File;

/**
 * @author MasterEjay
 */
public class AmbientListener{

	private static final  MicrophoneAnalyzer microphoneAnalyzer = new MicrophoneAnalyzer(AudioFileFormat.Type.WAVE);

	public static void ambientListening() throws Exception{
		Microphone mic = new Microphone(FLACFileWriter.FLAC);
		mic.close();
		microphoneAnalyzer.close();
		File file = new File("testfile.flac");
		if (!file.exists()){
			file.createNewFile();
		}
		microphoneAnalyzer.open();
		int THRESHOLD = 8;
		System.out.println(microphoneAnalyzer.getAudioVolume());
		boolean isSpeaking;
		if (microphoneAnalyzer.getAudioVolume() >= THRESHOLD ){
			System.out.println("Recording...");
			isSpeaking = true;
			while (isSpeaking){
				mic.captureAudioToFile(file);
				if (microphoneAnalyzer.getAudioVolume() <= THRESHOLD){
					isSpeaking = false;
					mic.close();
					System.out.println("Recording stopped.");
					Recognizer recognizer = new Recognizer(Recognizer.Languages.ENGLISH_US);//Specify your language here.
					//Although auto-detect is avalible, it is recommended you select your region for added accuracy.
					try {
						int maxNumOfResponses = 4;
						GoogleResponse response = recognizer.getRecognizedDataForFlac(file, maxNumOfResponses);
						System.out.println("Google Response: " + response.getResponse());
						System.out.println("Google is " + Double.parseDouble(response.getConfidence())*100 + "% confident in"
								+ " the reply");
						System.out.println("Other Possible responses are: ");
						for(String s: response.getOtherPossibleResponses()){
							System.out.println("\t" + s);
						}
						if (response.getResponse() != null){
							ModuleHandler.moduleExecute(response.getResponse());
						}
					} catch (Exception ex) {
						// TODO Handle how to respond if Google cannot be contacted
						System.out.println("ERROR: Google cannot be contacted");
						ex.printStackTrace();
					}

					file.deleteOnExit();//Deletes the file as it is no longer necessary.
					ambientListening();
				}
			}
		}
		else {
			Thread.sleep(100);
			ambientListening();
		}
	}
}