java语音识别中的异常
我在以下代码中遇到一些异常:java语音识别中的异常,java,speech-recognition,Java,Speech Recognition,我在以下代码中遇到一些异常: import java.io.FileReader; import java.io.IOException; import java.util.Locale; import javax.speech.AudioException; import javax.speech.Central; import javax.speech.EngineException; import javax.speech.Engin
import java.io.FileReader;
import java.io.IOException;
import java.util.Locale;
import javax.speech.AudioException;
import javax.speech.Central;
import javax.speech.EngineException;
import javax.speech.EngineModeDesc;
import javax.speech.EngineStateError;
import javax.speech.recognition.GrammarException;
import javax.speech.recognition.Recognizer;
import javax.speech.recognition.Result;
import javax.speech.recognition.ResultAdapter;
import javax.speech.recognition.ResultEvent;
import javax.speech.recognition.ResultToken;
import javax.speech.recognition.RuleGrammar;
public class HelloWorld extends ResultAdapter {
static Recognizer rec;
// Receives RESULT_ACCEPTED event: print it, clean up, exit
@Override
public void resultAccepted(ResultEvent e) {
Result r = (Result) (e.getSource());
ResultToken tokens[] = r.getBestTokens();
for (int i = 0; i < tokens.length; i++) {
System.out.print(tokens[i].getSpokenText() + " ");
}
System.out.println();
try {
// Deallocate the recognizer and exit
rec.deallocate();
} catch (EngineException | EngineStateError ex) {
System.out.println(ex.toString());
}
System.exit(0);
}
public static void main(String args[]) {
try {
// Create a recognizer that supports English.
rec = Central.createRecognizer(
new EngineModeDesc(Locale.ENGLISH));
// Start up the recognizer
rec.allocate();
// Load the grammar from a file, and enable it
FileReader reader = new FileReader(args[0]);
RuleGrammar gram = rec.loadJSGF(reader);
gram.setEnabled(true);
// Add the listener to get results
rec.addResultListener(new HelloWorld());
// Commit the grammar
rec.commitChanges();
// Request focus and start listening
rec.requestFocus();
rec.resume();
} catch (IllegalArgumentException | EngineException | SecurityException | GrammarException | IOException | AudioException e) {
e.printStackTrace();
}
}
}
识别器似乎为空。请看这一行:
rec = Central.createRecognizer(new EngineModeDesc(Locale.ENGLISH));
建议您提供给createRecognizer的参数存在问题:
如果没有具有所需属性的识别器,则该方法返回null
至于修复空识别器的原因,第二个答案可能会有所帮助。代码中第55行在哪里?为什么定义此静态变量?静态识别器;我已经尝试使这个变量静态识别器rec;非静态但仍会引发相同的异常..将rec定义为静态不会引起任何问题。我认为这是问题的根源,但您如何将其更改为非静态?如果您的意思是定义变量,他已经这样做了,类型为staticNo,在他为rec分配Central.createRecognitizerNew EngineModesLocale.ENGLISH;的值后,该行立即出现异常;。问题在于调用createRecognizer。
rec = Central.createRecognizer(new EngineModeDesc(Locale.ENGLISH));