How do I record my voice and make it a file in java? -


i'm trying code, after test 5 , test 9, code seems stop functioning @ audiostream.write().

nothing after 

audiosystem.write(audiostream, audiofileformat.type.wave, audiofile);

is executed program. how fix or there way record voice?

import javax.sound.sampled.*; import java.io.*;  public class mic{        public static void main(string[] args){         system.out.println("sound test starting");          try {             audioformat format = new audioformat(audioformat.encoding.pcm_signed, 44100, 16, 2, 4, 44100, false);              dataline.info info = new dataline.info(targetdataline.class, format);             if(!audiosystem.islinesupported(info))             {                 system.err.println("line not supported");             }              final targetdataline targetline = (targetdataline)audiosystem.getline(info);              targetline.open();              system.out.println("recording voice");             targetline.start();              thread thread = new thread();              {                 //@override public void run();                  {                      audioinputstream audiostream = new audioinputstream(targetline);                     file audiofile = new file("recording.wav");                     system.out.println("test5");                     try { system.out.println("test9");                         audiosystem.write(audiostream, audiofileformat.type.wave, audiofile);                         system.out.println("audio writing test");                     }                      catch(ioexception e){                         e.printstacktrace();                     }                     system.out.println("test6");                     system.out.println("recording stopped");                  }             };             thread.start();             thread.sleep(5000);             targetline.stop();             targetline.close();              system.out.println("ended sound test");         }         catch(interruptedexception ie){             ie.printstacktrace();         }         catch(lineunavailableexception e){             e.printstacktrace();         }      }    }

there 2 possible things happening:

  • the write call blocking ever.

  • the write call throwing unchecked exception, going unreported.

temporarily change this:

    catch (ioexception e) {            e.printstacktrace();     }

to this:

    catch (throwable e) {            e.printstacktrace();     }

and show stacktrace (if any) gets output.

here's couple of possibility:

the write operation calling copy audiostream file:

  • if source (audiostream) not set up, write blocked in reading data input device.

  • have checked output file? has been written it? recording process working ...

either way, next thing would run under debugger, , try figure out write call doing while (apparently) blocked.


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