Réponse acceptée !
Solution trouvee :
(dessine dans un jpanel les configuration du micros)

//jpanel.java
package Voice.Commander.Sounds.Settings;


import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;

import javax.sound.sampled.FloatControl;
import javax.sound.sampled.Port;
import javax.swing.BoxLayout;
import javax.swing.ImageIcon;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JProgressBar;
import javax.swing.JSlider;
import javax.swing.WindowConstants;
import javax.swing.JFrame;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

import Voice.Commander.Main.Class.VCMainClass;




public class AudioDraw extends javax.swing.JPanel implements ActionListener, ItemListener,
    ChangeListener, PropertyChangeListener{

    /**
     *
     */
    private static final long serialVersionUID = 1L;
    /**
    * Auto-generated main method to display this
    * JPanel inside a new JFrame.
    */
    

    private JLabel jLabelVolume;
    private JLabel jLabelMicrophone;
    
    private JComboBox[] mixerSelector = new JComboBox[2];
    private JProgressBar[] volumeMeter = new JProgressBar[2];
    private JComboBox[] volumePort = new JComboBox[2];
    private JCheckBox[] muteButton = new JCheckBox[2];
    private JLabel Outputimage;
    private JLabel inputimage;
    private JSlider[] volumeSlider = new JSlider[2];
    private AudioSettings m_audioSettings;
    
    
    public static void main(String[] args) {
        JFrame frame = new JFrame();
        frame.getContentPane().add(new AudioDraw());
        frame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
        frame.pack();
        frame.setVisible(true);
    }
    
    public AudioDraw() {
        super();
        this.setOpaque(false);
        m_audioSettings = new AudioSettings();

        CreateInterface(0); //micro
        CreateInterface(1); //olvume
        initGUI();
    }
    
    private void initGUI() {
        try {
            FlowLayout thisLayout = new FlowLayout();
            this.setLayout(thisLayout);
            this.setPreferredSize(new java.awt.Dimension(365, 100));
            this.setSize(365, 100);
            this.setLayout(null);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    
    private void CreateInterface(int d)
    {
        if (d == 1)
        {
            jLabelVolume = new JLabel();
            this.add(jLabelVolume);
            jLabelVolume.setText(VCMainClass.myLang.MicPlayback);
            jLabelVolume.setBounds(270, 0, 77, 14);
        }
        else
        {
            jLabelMicrophone = new JLabel();
            this.add(jLabelMicrophone);
            jLabelMicrophone.setText(VCMainClass.myLang.MicRecord);
            jLabelMicrophone.setBounds(45, 0, 70, 14);
        }
        {
            inputimage = new JLabel(new ImageIcon("Data/VC/Mic 24x24.png"));
            this.add(inputimage);
            inputimage.setBounds(45, 20, 24, 24);
        }
        {
            Outputimage = new JLabel(new ImageIcon("Data/VC/Sounds 24x24.png"));
            this.add(Outputimage);
            Outputimage.setBounds(274, 20, 24, 24);
        }


        volumePort[d] = new JComboBox(m_audioSettings.getPorts(d).toArray());
        volumePort[d].addItemListener(this);
        if (d == 0)
            volumePort[d].setBounds(7, 50, 110, 21);
        else
            volumePort[d].setBounds(232, 50, 110, 21);
        this.add(volumePort[d]);
        
        volumeSlider[d] = new JSlider(0, 100, 100);
        volumeSlider[d].setOrientation(volumeSlider[d].VERTICAL);
        volumeSlider[d].addChangeListener(this);
        
        volumeSlider[d].setOpaque(false);

        if (d == 0)
            volumeSlider[d].setBounds(135, 0, 28, 77);
        else
            volumeSlider[d].setBounds(183, 0, 28, 77);
            
        this.add(volumeSlider[d]);
    
        m_audioSettings.setSelPort(d, 0);
        initNewPort(d);
    }
    private void updateVolume(int d) {
        FloatControl c = m_audioSettings.getSelVolControl(d);
        if (c != null && volumeSlider[d].isEnabled()) {

            float newVol = ((volumeSlider[d].getValue() / 100.0f)
                    * (c.getMaximum() - c.getMinimum())) + c.getMinimum();
            c.setValue(newVol);
        }
        }
     private void initNewPort(int d) {
            Port port = m_audioSettings.getSelPort(d);
            FloatControl c = m_audioSettings.getSelVolControl(d);
            volumeSlider[d].setEnabled(port != null && c != null);
            updateVolumeSlider(d);
            }
    
    
        private void updateVolumeSlider(int d) {
            FloatControl c = m_audioSettings.getSelVolControl(d);
            if (c != null && volumeSlider[d].isEnabled()) {
                int newPos = (int) (((c.getValue() - c.getMinimum())
                         / (c.getMaximum() - c.getMinimum())) * 100.0f);
                if (newPos != volumeSlider[d].getValue()) {
                volumeSlider[d].setValue(newPos);
                }
            }
      }
    public void actionPerformed(ActionEvent e) {        
    }

    public void itemStateChanged(ItemEvent e) {
        int d = -1;
        if (e.getSource() == volumePort[0]) {
            d = 0;
        } else if (e.getSource() == volumePort[1]) {
            d = 1;
        }
        if ((d >= 0) && (e.getStateChange() == ItemEvent.SELECTED)) {
            m_audioSettings.setSelPort(d, volumePort[d].getSelectedIndex());
            initNewPort(d);
            return;
        }
        d = -1;
        if (e.getSource() == mixerSelector[0]) {
            d = 0;
        } else if (e.getSource() == mixerSelector[1]) {
            d = 1;
        }
        if ((d >= 0) && (e.getStateChange() == ItemEvent.SELECTED)) {
            m_audioSettings.setSelMixer(d, mixerSelector[d].getSelectedIndex());
            return;
        }
        d = -1;

        d = -1;
        if (e.getSource() == muteButton[0]) {
            d = 0;
        } else if (e.getSource() == muteButton[1]) {
            d = 1;
        }
    }

    public void stateChanged(ChangeEvent e) {
        int d;
        if (e.getSource() == volumeSlider[0]) {
            d = 0;
        } else if (e.getSource() == volumeSlider[1]) {
            d = 1;
        } else {
            return;
        }
        updateVolume(d);
    }

    public void propertyChange(PropertyChangeEvent evt) {
    }
}

//audiobase.java
package Voice.Commander.Sounds.Settings;

import    java.io.*;
import    javax.sound.sampled.*;

import static Voice.Commander.Sounds.Settings.Constants.*;

// base class for stream-based audio i/o
public abstract class AudioBase implements LineListener {

    protected AudioFormat lineFormat;
    protected AudioFormat netFormat;
    protected int formatCode = -1; // force initialization

    protected int bufferSizeMillis;
    protected int bufferSize;
    protected Mixer mixer;
    protected String title;
    protected DataLine line;

    // current volume level: 0..128, or -1 for (none)
    protected int lastLevel = -1;
    protected boolean muted = false;

    protected AudioBase(String title, int formatCode, Mixer mixer, int bufferSizeMillis) {
    this.title = title;
    this.bufferSizeMillis = bufferSizeMillis;
    this.mixer = mixer;
    try {
        setFormatCode(formatCode);
    } catch (Exception e) {
        e.printStackTrace();
    }
    }

    public void update(LineEvent event) {
    if (DEBUG) {
        if (event.getType().equals(LineEvent.Type.STOP)) {
        out(title+": Stop");
        } else if (event.getType().equals(LineEvent.Type.START)) {
        out(title+": Start");
        } else if (event.getType().equals(LineEvent.Type.OPEN)) {
        out(title+": Open");
        } else if (event.getType().equals(LineEvent.Type.CLOSE)) {
        out(title+": Close");
        }
    }
    }

    // opens the sound hardware
    public void open() throws Exception {
    closeLine(false);
    destroyLine();
    createLine();
    openLine();
    }

    protected abstract void createLineImpl() throws Exception;

    private void createLine() throws Exception {
    try {
        line = null;
        createLineImpl();
        line.addLineListener(this);
        if (DEBUG) {
        out("Got line for "+title+": "+line.getClass());
        }
    } catch (LineUnavailableException ex) {
        throw new Exception("Unable to open "+title+": "+ex.getMessage());
    }
    }

    protected abstract void openLineImpl() throws Exception;

    private void openLine() throws Exception {
    try {
        // align to frame size
        bufferSize = (int) AudioUtils.millis2bytes(bufferSizeMillis, lineFormat);
        bufferSize -= bufferSize % lineFormat.getFrameSize();
        openLineImpl();
        if (DEBUG) out(title+": opened line");
        bufferSize = line.getBufferSize();
        if (VERBOSE) {
        out(title+": buffersize="+bufferSize+" bytes.");
        }
    } catch (LineUnavailableException ex) {
        throw new Exception("Unable to open "+title+": "+ex.getMessage());
    }
    }

    public void start() throws Exception {
    if (line == null) {
        if (DEBUG) out(title+": Call to start(), but line not created!");
        throw new Exception(title+": cannot start");
    }
    line.flush();
    line.start();
    if (DEBUG) out(title+": started line");
    }

    public void close() {
    close(false);
    }

    public void close(boolean willReopen) {
    closeLine(willReopen);
    destroyLine();
    }

    protected void closeLine(boolean willReopen) {
    if (!willReopen) lastLevel = -1;
    if (line!=null) {
        line.flush();
        line.stop();
        line.close();
        if (DEBUG && title!=null) out(title+": line closed.");
    }
    }

    private void destroyLine() {
    if (line != null) {
        line.removeLineListener(this);
    }
    line = null;
    }

    public boolean isStarted() {
        return (line != null) && (line.isActive());
    }

    public boolean isOpen() {
        return (line != null) && (line.isOpen());
    }

    public int getBufferSize() {
    return bufferSize;
    }

    public int getBufferSizeMillis() {
    return bufferSizeMillis;
    }

    public void setBufferSizeMillis(int bufferSizeMillis) throws Exception {
    if (this.bufferSizeMillis == bufferSizeMillis) return;
    boolean wasOpen = isOpen();
    boolean wasStarted = isStarted();
    closeLine(true);

    this.bufferSizeMillis = bufferSizeMillis;

    if (wasOpen) {
        openLine();
        if (wasStarted) {
        start();
        }
    }
    }

    public int getFormatCode() {
    return formatCode;
    }

    public void setFormatCode(int formatCode) throws Exception {
    if (this.formatCode == formatCode) return;
    boolean wasOpen = isOpen();
    if (wasOpen) {
        throw new Exception("cannot change format while open");
    }
    this.lineFormat = AudioUtils.getLineAudioFormat(formatCode);
    this.netFormat = AudioUtils.getNetAudioFormat(formatCode);
    }

    public void setMixer(Mixer mixer) throws Exception {
    if (this.mixer == mixer) return;
    boolean wasOpen = isOpen();
    boolean wasStarted = isStarted();
    close(true);

    this.mixer = mixer;

    if (wasOpen) {
        createLine();
        openLine();
        if (wasStarted) {
        start();
        }
    }
    }

    public void setMuted(boolean muted) {
    this.muted = muted;
    }

    public boolean isMuted() {
    return this.muted;
    }

    public int getLevel() {
    return lastLevel;
    }

    // find the current playback level: the maximum value of this buffer
    protected void calcCurrVol(byte[] b, int off, int len) {
    int end = off+len;
    int sampleSize = (lineFormat.getSampleSizeInBits() + 7) / 8;
    int max = 0;
    if (sampleSize == 1) {
        // 8-bit
        for ( ; off < end; off++) {
        int sample = (byte) (b[off] + 128);
        if (sample < 0) sample = -sample;
        if (sample > max) max = sample;
        }
        lastLevel = max;
    } else if (sampleSize == 2) {
        if (lineFormat.isBigEndian()) {
        // 16-bit big endian
        for ( ; off < end; off+=2) {
            int sample = (short) ((b[off]<<8) | (b[off+1] & 0xFF));
            if (sample < 0) sample = -sample;
            if (sample > max) max = sample;
        }
        } else {
        // 16-bit little endian
        for ( ; off < end; off+=2) {
            int sample = (short) ((b[off+1]<<8) | (b[off] & 0xFF));
            if (sample < 0) sample = -sample;
            if (sample > max) max = sample;
        }
        }
        //System.out.print("max="+max+" ");
        lastLevel = max >> 8;
        //System.out.print(":"+len+":");
        //System.out.print("[lL="+lastLevel+" "+getClass().toString()+"]");
    } else {
        lastLevel = -1;
    }
    }

    // find the current playback level: the maximum value of this buffer
    protected void muteBuffer(byte[] b, int off, int len) {
    int end = off+len;
    int sampleSize = (lineFormat.getSampleSizeInBits() + 7) / 8;
    byte filler = 0;
    if (sampleSize == 1) {
        filler = -128;
    }
    for ( ; off < end; off++) {
        b[off] = filler;
    }
    }

}

//audiosettings :
package Voice.Commander.Sounds.Settings;


import java.util.ArrayList;
import java.util.List;

import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.BooleanControl;
import javax.sound.sampled.CompoundControl;
import javax.sound.sampled.Control;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.FloatControl;
import javax.sound.sampled.Line;
import javax.sound.sampled.Mixer;
import javax.sound.sampled.Port;

import static Voice.Commander.Sounds.Settings.Constants.*;

class AudioSettings {

    /** the selected port */
    private  Port[] port = new Port[2];
    /** the selected control for port volume */
    private FloatControl[] portVolume = new FloatControl[2];
    /** the selected control for port select (only for Source Ports) */
    private BooleanControl[] portSelect = new BooleanControl[2];

    /** all compound controls available on the system, as a display list */
    private List<String> portNames[] = new List[2]; // $$ generics

    /** all Ports available on the system (maybe the same ones) */
    private List<Port>[] ports = new List[2];

    /** the index of the controls array for the respective compound control */
    private List<Integer>[] controlIndex = new List[2];

    /** the selected mixer. If null, use default */
    private Mixer[] mixer = new Mixer[2];

    /** all mixers */
    private List<Mixer>[] mixers = new List[2];

    /** index in BUFFER_SIZE_MILLIS */
    private int[] bufferSizeIndex = new int[2];

    private boolean inited = false;


    public AudioSettings () {
    portNames[0] = new ArrayList<String>();
    portNames[1] = new ArrayList<String>();
    ports[0] = new ArrayList<Port>();
    ports[1] = new ArrayList<Port>();
    controlIndex[0] = new ArrayList<Integer>();
    controlIndex[1] = new ArrayList<Integer>();
    mixers[0] = new ArrayList<Mixer>();
    mixers[1] = new ArrayList<Mixer>();
    bufferSizeIndex[0] = BUFFER_SIZE_INDEX_DEFAULT;
    bufferSizeIndex[1] = BUFFER_SIZE_INDEX_DEFAULT;
    }

    public void init() {
    for (int d = 0; d < 2; d++) {
        portNames[d].clear();
        ports[d].clear();
        controlIndex[d].clear();
        mixers[d].clear();
    }
    // go through all mixer and fill all lists
    Mixer.Info[] infos = AudioSystem.getMixerInfo();
    for (int i = 0; i < infos.length; i++) {
        try {
        Mixer mixer = AudioSystem.getMixer(infos[i]);
        addMixer(mixer, mixer.getSourceLineInfo(), DIR_SPK);
        addMixer(mixer, mixer.getTargetLineInfo(), DIR_MIC);
        } catch (Exception e) {
        if (DEBUG) e.printStackTrace();
        }
    }
    // add defaults, if multiples exist
    for (int d = 0; d < 2; d++) {
        if (mixers[d].size() > 1) {
        mixers[d].add(0, null);
        }
    }
    inited = true;
    if (VERBOSE) {
        out("Microphone Ports:  "+ports[DIR_MIC].size());
        out("Microphone Mixers: "+mixers[DIR_MIC].size());
        out("Speaker Ports:  "+ports[DIR_SPK].size());
        out("Speaker Mixers: "+mixers[DIR_SPK].size());
    }
    }

    public void exit() {
    for (int d = 0; d < 2; d++) {
        closePort(d);
        portNames[d].clear();
        controlIndex[d].clear();
        ports[d].clear();
        mixers[d].clear();
    }
    }

    private void addMixer(Mixer mixer, Line.Info[] infos, int dirDataLine) {

    for (int i = 0; i<infos.length; i++) {
        try {
        if (infos[i] instanceof Port.Info) {
            Port.Info info = (Port.Info) infos[i];
            int d;
            if (info.isSource()) {
                // microphone port
                d = DIR_MIC;
            } else {
                d = DIR_SPK;
            }
            // walk through all top-level controls
            Port p = (Port) mixer.getLine(info);
            p.open();
            try {
                Control[] cs = p.getControls();
                for (int c = 0 ; c < cs.length; c++) {
                if (cs[c] instanceof CompoundControl) {
                ports[d].add(p);
                portNames[d].add(cs[c].getType().toString());
                // $$ autoboxing
                controlIndex[d].add(c);
                }
                }
            } finally {
                p.close();
            }
        }
        if (infos[i] instanceof DataLine.Info) {
            if (!mixers[dirDataLine].contains(mixer)) {
                mixers[dirDataLine].add(mixer);
            }
        }
        } catch (Exception e) {
        if (DEBUG) e.printStackTrace();
        }
    }
    }

    // MIXER HANDLING //

    public List<String> getMixers(int d) {
    if (!inited) init();
    List<String> res = new ArrayList<String>();
    for (Mixer m : mixers[d]) {   // $$ enhanced for
        if (m == null) {
        res.add("(Default)");
        } else {
        res.add(m.getMixerInfo().getName());
        }
    }
    return res;
    }

    public Mixer getSelMixer(int d) {
    return mixer[d];
    }

    /** set index in list returned in getMixers */
    public void setSelMixer(int d, int index) {
    if (index < 0 || index >= mixers[d].size()) {
        if (DEBUG) out("setSelMixer out of range: iondex="+index);
        return;
    } else {
        mixer[d] = mixers[d].get(index);
    }
    }



    // PORT HANDLING //

    public List<String> getPorts(int d) {
    if (!inited) init();
    return portNames[d];
    }


    public Port getSelPort(int d) {
    return port[d];
    }

    public FloatControl getSelVolControl(int d) {
    return portVolume[d];
    }

    /** set index in list returned in getMixers */
    public void setSelPort(int d, int index) {
        setSelPort(d, index, true);
    }

    public void setSelPort(int d, int index, boolean doSelect) {
    if (index < 0 || index >= ports[d].size()) {
        if (DEBUG) out("setSelPort out of range: iondex="+index);
        closePort(d);
        return;
    } else {
        setupPort(d, ports[d].get(index), controlIndex[d].get(index)); // $$ autoboxing
        if (doSelect && d == DIR_MIC && portSelect[d] != null) {
        portSelect[d].setValue(true);
        }
        if (DEBUG) out("Selected "+portNames[d].get(index));
    }
    }

    private void closePort(int d) {
    if (port[d] != null) {
        port[d].close();
        port[d] = null;
    }
    portVolume[d] = null;
    portSelect[d] = null;
    }

    private void setupPort(int d, Port p, int controlIndex) {
    if (p != port[d] && port[d] != null) {
        port[d].close();
    }
    portVolume[d] = null;
    portSelect[d] = null;
    port[d] = p;
    try {
        p.open();
        Control[] cs = p.getControls();
        if (controlIndex >= cs.length) {
        throw new Exception("control not found!");
        }
        if (!(cs[controlIndex] instanceof CompoundControl)) {
        throw new Exception("control not found!");
        }
        CompoundControl cc = (CompoundControl) cs[controlIndex];
        cs = cc.getMemberControls();
        // find VolumeControl and select
        for (Control c : cs) {  // $$ enhanced for
        if ((c instanceof FloatControl)
            && c.getType().equals(FloatControl.Type.VOLUME)
            && (portVolume[d] == null)) {
            portVolume[d] = (FloatControl) c;
        }
        if ((c instanceof BooleanControl)
            && c.getType().toString().contains("elect")
            && (portSelect[d] == null)) {
            portSelect[d] = (BooleanControl) c;
        }
        }

    } catch (Exception e) {
        if (DEBUG) e.printStackTrace();
        closePort(d);
    }
    }

    // buffer size //

    public int getBufferSizeMillis(int d) {
        return BUFFER_SIZE_MILLIS[bufferSizeIndex[d]];
    }

    public int getBufferSizeIndex(int d) {
        return bufferSizeIndex[d];
    }

    public void setBufferSizeIndex(int d, int bufferSizeIndex) {
        this.bufferSizeIndex[d] = bufferSizeIndex;
    }
}

//audio utils :

package Voice.Commander.Sounds.Settings;

import java.io.InputStream;
import javax.sound.sampled.*;

import static Voice.Commander.Sounds.Settings.Constants.*;

public class AudioUtils {

    private static final float[] netSampleRate={
    1.0f,  // nothing
    44100.0f, // CD
    22050.0f, // FM
    8000.0f,  // Telephone
    8000.0f   // GSM
    };

    public static long bytes2millis(long bytes, AudioFormat format) {
    return (long) (bytes/format.getFrameRate()*1000/format.getFrameSize());
    }

    public static long millis2bytes(long ms, AudioFormat format) {
    return (long) (ms*format.getFrameRate()/1000*format.getFrameSize());
    }
    
    public static AudioFormat getLineAudioFormat(int formatCode) {
    return getLineAudioFormat(netSampleRate[formatCode]);
    }

    public static AudioFormat getLineAudioFormat(float sampleRate) {
    return new AudioFormat(
                   AudioFormat.Encoding.PCM_SIGNED,
                   sampleRate,    // sampleRate
                   16,            // sampleSizeInBits
                   1,             // channels
                   2,             // frameSize
                   sampleRate,    // frameRate
                   false);        // bigEndian
    }

    public static AudioFormat getNetAudioFormat(int formatCode) throws UnsupportedAudioFileException {
    if (formatCode==FORMAT_CODE_CD) {
        return new AudioFormat(
                   AudioFormat.Encoding.PCM_SIGNED,
                   44100.0f,   // sampleRate
                   16,            // sampleSizeInBits
                   1,             // channels
                   2,             // frameSize
                   44100.0f,      // frameRate
                   true);         // bigEndian
    }
    else if (formatCode==FORMAT_CODE_FM) {
        return new AudioFormat(
                   AudioFormat.Encoding.PCM_SIGNED,
                   22050.0f,   // sampleRate
                   16,            // sampleSizeInBits
                   1,             // channels
                   2,             // frameSize
                   22050.0f,      // frameRate
                   true);         // bigEndian
    }
    else if (formatCode==FORMAT_CODE_TELEPHONE) {
        return new AudioFormat(
                   AudioFormat.Encoding.ULAW,
                   8000.0f,       // sampleRate
                   8,             // sampleSizeInBits
                   1,             // channels
                   1,             // frameSize
                   8000.0f,       // frameRate
                   false);        // bigEndian
    }
    else if (formatCode==FORMAT_CODE_GSM) {
        /*
          try {
          Class.forName("org.tritonus.share.sampled.Encodings");
          } catch (ClassNotFoundException cnfe) {
          throw new RuntimeException("Tritonus shared classes not properly installed!");
          }
          return new AudioFormat(
          org.tritonus.share.sampled.Encodings.getEncoding("GSM0610"),
          8000.0F,        // sampleRate
          -1,             // sampleSizeInBits
          1,              // channels
          33,             // frameSize
          50.0F,          // frameRate
          false);         // bigEndian
        */
        return new AudioFormat(
                   new AudioFormat.Encoding("GSM0610"),
                   8000.0F,        // sampleRate
                   -1,             // sampleSizeInBits
                   1,              // channels
                   33,             // frameSize
                   50.0F,          // frameRate
                   false);         // bigEndian
    }
    throw new RuntimeException("Wrong format code!");
    }


    public static AudioInputStream createNetAudioInputStream(
    int formatCode, InputStream stream) {
    try
    {
        AudioFormat format = getNetAudioFormat(formatCode);
        return new AudioInputStream(stream, format, AudioSystem.NOT_SPECIFIED);
    }
    catch (UnsupportedAudioFileException e)
    {
        System.out.println(e);
        return null;
    }
    }


    public static int getFormatCode(AudioFormat format) {
    AudioFormat.Encoding encoding = format.getEncoding();
    // very simple check...
    if (encoding.equals(AudioFormat.Encoding.PCM_SIGNED)) {
        if (format.getSampleRate()==44100.0f) {
        return FORMAT_CODE_CD;
        } else {
        return FORMAT_CODE_FM;
        }
    }
    if (encoding.equals(AudioFormat.Encoding.ULAW)) {
        return FORMAT_CODE_TELEPHONE;
    }
    if (encoding.toString().equals("GSM0610")) {
        return FORMAT_CODE_GSM;
    }
    throw new RuntimeException("Wrong Format");
    }

}

//constants.java
package Voice.Commander.Sounds.Settings;


class Constants {
    public static final int DIR_MIC = 0;
    public static final int DIR_SPK = 1;

    public static boolean DEBUG = true;
    public static boolean VERBOSE = true;

    public static final int FORMAT_CODE_CD=1;
    public static final int FORMAT_CODE_FM=2;
    public static final int FORMAT_CODE_TELEPHONE=3;
    public static final int FORMAT_CODE_GSM=4;

    public static final String[] FORMAT_NAMES={
    "Cell phone GSM (13.2KBit/s - Modem)",
    "Telephone ulaw (64KBit/s - ISDN)",
    "FM quality mono (352.8KBit/s - ADSL)",
    "CD quality mono (705.6KBit/s - LAN)"
    };

    public static final int[] FORMAT_CODES={
    FORMAT_CODE_GSM,
    FORMAT_CODE_TELEPHONE,
    FORMAT_CODE_FM,
    FORMAT_CODE_CD
    };

    public static final int[] BUFFER_SIZE_MILLIS = {
        30, 40, 50, 70, 85, 100, 130, 150, 180, 220, 400
    };
    public static final String[] BUFFER_SIZE_MILLIS_STR = {
        "30", "40", "50", "70", "85", "100", "130", "150", "180", "220", "400"
    };
    public static final int BUFFER_SIZE_INDEX_DEFAULT = 2;


    public static final String CONNECTION_PROPERTY = "CONNECTION";
    public static final String AUDIO_PROPERTY = "AUDIO";

    public static final int PROTOCOL_MAGIC = 0x43484154;
    public static final int PROTOCOL_VERSION = 1;
    public static final int PROTOCOL_ACK = 1001;
    public static final int PROTOCOL_ERROR = 1002;

    // Socket options
    public static final boolean TCP_NODELAY = false;
    // -1 means do not set the value
    public static final int TCP_RECEIVE_BUFFER_SIZE = 1024;
    public static final int TCP_SEND_BUFFER_SIZE = 1024;

    public static final int CONNECTION_TYPE_TCP = 1;
    public static final int CONNECTION_TYPE_UDP = 2;

    public static final int[] CONNECTION_TYPES =
    {
    CONNECTION_TYPE_TCP,
    CONNECTION_TYPE_UDP
    };

    public static final String[] CONNECTION_TYPE_NAMES =
    {
    "TCP (for LAN)",
    "UDP (for WAN)"
    };

    public static final int DEFAULT_PORT = 8765;
    public static final int DEFAULT_CONNECTION_TYPE = CONNECTION_TYPE_TCP;
    public static final int DEFAULT_FORMAT_CODE = FORMAT_CODE_TELEPHONE;

    public static void out(String s) {
    //wSystem.out.println(s);
    }
}