Page 176 - The Definitive Guide to Building Java Robots

Preston_5564C05.fm Page 157 Tuesday, September 20, 2005 5:13 AM

CHAPTER 5 ■ SPEECH 157

public SphinxSR(URL url) throws Exception {
//loads configuration data from XML-based configuration file
ConfigurationManager cm = new ConfigurationManager(url);
// gets component by name
recognizer = (Recognizer) cm.lookup("recognizer");
microphone = (Microphone) cm.lookup("microphone");
// get grammar file
JSGFGrammar gram = (JSGFGrammar) cm.lookup("jsgfGrammar");
// create the grammar
gram.allocate();
// get rules
ruleGrammar = gram.getRuleGrammar();
// get rule names
String[] rules = ruleGrammar.listRuleNames();
// display to console so you know what to speak.
for (int i=0; i < rules.length;i++) {
System.out.println("rule name = " + rules[i]);
System.out.println("rule = " +ruleGrammar.getRule(rules[i]).➥
toString());;
}
// separator
System.out.println("----");
}

// allocates resources
public void open() {
try {
recognizer.allocate();
} catch (Exception e) {
e.printStackTrace();
System.exit(1);
}
}
// deallocates resources
public void close() {
recognizer.deallocate();
}

// start recording
public void start() {
// begins capturing audio data
if (microphone.startRecording() == false) {
recognizer.deallocate();
System.exit(1);
}
}

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