String captchaSession=captcha!=null ? captcha.getAnswer() : null;
if(UtilMethods.isSet(captchaSession)){
/*If we have a normal captcha in the session we should generate the word in the session instead of using
a custom sound challenge*/
WordGenerator word = new DummyWordGenerator(captchaSession.trim());
SoundConfigurator configurator = new FreeTTSSoundConfigurator(voiceName, voicePackage, 1.0f, 100, 100);
WordToSound word2sound = new FreeTTSWordToSound(configurator, captchaSession.length(), captchaSession.length());
SoundCaptchaFactory factory = new SpellerSoundFactory(word, word2sound, new SpellerWordDecorator(";"));
SoundCaptcha tCaptcha = factory.getSoundCaptcha();
challenge = (AudioInputStream)tCaptcha.getChallenge();