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Thread: Change the pitch in a jButton

  1. #1
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    Default Change the pitch in a jButton

    I am trying to change the pitch of a wave file while mouse entering a JButton. the problem is the JButton object doesn't support the SAMPLE_RATE control. what can I do to change the pitch?


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    Default Re: Change the pitch in a jButton

    Quote Originally Posted by leviorr View Post
    I am trying to change the pitch of a wave file while mouse entering a JButton. the problem is the JButton object doesn't support the SAMPLE_RATE control. what can I do to change the pitch?
    Sorry but your question is totally cryptic .... a JButton, by itself has nothing to do, directly, with sound. Explain what are you using to handle sounds, what is your user interface, what that button should do.
    Andrea, www.andbin.net SCJP 5 (91%) SCWCD 5 (94%)

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    Default Re: Change the pitch in a jButton

    Quote Originally Posted by andbin View Post
    Sorry but your question is totally cryptic .... a JButton, by itself has nothing to do, directly, with sound. Explain what are you using to handle sounds, what is your user interface, what that button should do.
    I am trying to play a wave file when the mouse enters different JButton objects. on the MouseEntered events I call this function:

    public void playSound(String fileName) {
    		audioInputStream = null;
    		File soundFile;
    		soundFile = new File(fileName);
    		SourceDataLine auline = null;
    		if (!soundFile.exists()) {
    			System.err.println("Wave file not found: " + soundFile);
    			return;
    		}
    		try {
    			audioInputStream = AudioSystem.getAudioInputStream(soundFile);
    		} catch (UnsupportedAudioFileException e1) {
    			e1.printStackTrace();
    			return;
    		} catch (IOException e1) {
    			e1.printStackTrace();
    			return;
    		}
     
    		AudioFormat format = audioInputStream.getFormat();
    		DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);
     
    		try {
    			auline = (SourceDataLine) AudioSystem.getLine(info);
    			auline.open(format);
    		} catch (LineUnavailableException e) {
    			e.printStackTrace();
    			return;
    		} catch (Exception e) {
    			e.printStackTrace();
    			return;
    		}
    //////////////////////// here I would like to change the pitch of the sound///////////////////////////////////////////////////////////////////////////
    		auline.start();
    		int nBytesRead = 0;
    		byte[] abData = new byte[EXTERNAL_BUFFER_SIZE];
     
    		try {
    			while (nBytesRead != -1) {
    				nBytesRead = audioInputStream.read(abData, 0, abData.length);
    				if (nBytesRead >= 0)
    					auline.write(abData, 0, nBytesRead);
    			}
    		} catch (IOException e) {
    			e.printStackTrace();
    			return;
    		} finally {
    			auline.drain();
    			auline.close();
    			auline = null;
    			try {
    				audioInputStream.close();
    			} catch (IOException e) {
    				e.printStackTrace();
    			}
    		}
    	}

    I tried using: (auline.isControlSupported(FloatControl.Type.SAMPL E_RATE)) but I the control is not supported.


    thank you!

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    Default Re: Change the pitch in a jButton

    Please edit your post and wrap your code with code tags:
    [code=java]
    YOUR CODE HERE
    [/code]
    to get highlighting and preserve formatting.
    If you don't understand my answer, don't ignore it, ask a question.

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