哪个好手用过Sphinx-4语音识别呢

哪个高手用过Sphinx-4语音识别呢
求高手给个例子啦。模仿官网上的HellWorld，一直出现内存溢出异常

Java code

Exception in thread "main" java.lang.OutOfMemoryError: Java heap space    at java.nio.CharBuffer.wrap(CharBuffer.java:350)    at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:291)    at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:158)    at sun.nio.cs.StreamDecoder.read0(StreamDecoder.java:107)    at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:93)    at java.io.InputStreamReader.read(InputStreamReader.java:151)    at java.io.StreamTokenizer.read(StreamTokenizer.java:483)    at java.io.StreamTokenizer.nextToken(StreamTokenizer.java:556)    at edu.cmu.sphinx.util.ExtendedStreamTokenizer.getString(ExtendedStreamTokenizer.java:146)    at edu.cmu.sphinx.util.ExtendedStreamTokenizer.getInt(ExtendedStreamTokenizer.java:252)    at edu.cmu.sphinx.linguist.acoustic.tiedstate.Sphinx3Loader.loadHMMPool(Sphinx3Loader.java:789)    at edu.cmu.sphinx.linguist.acoustic.tiedstate.Sphinx3Loader.loadModelFiles(Sphinx3Loader.java:349)    at edu.cmu.sphinx.linguist.acoustic.tiedstate.Sphinx3Loader.load(Sphinx3Loader.java:280)    at edu.cmu.sphinx.linguist.acoustic.tiedstate.TiedStateAcousticModel.allocate(TiedStateAcousticModel.java:116)    at edu.cmu.sphinx.linguist.lextree.LexTreeLinguist.allocate(LexTreeLinguist.java:341)    at edu.cmu.sphinx.decoder.search.WordPruningBreadthFirstSearchManager.allocate(WordPruningBreadthFirstSearchManager.java:238)    at edu.cmu.sphinx.decoder.AbstractDecoder.allocate(AbstractDecoder.java:87)    at edu.cmu.sphinx.recognizer.Recognizer.allocate(Recognizer.java:168)    at edu.cmu.sphinx.demo.helloworld.HelloWorld.main(HelloWorld.java:29)