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+import framework.Sound;%0A%0A/**%0A * Editor for Sound object.%0A *%0A * Allow the user to modify the frequency, duration and amplitude.%0A */%0Apublic class SoundEditor extends JPanel %7B%0A    /**%0A     * Create a SoundEditor object.%0A     * @param  s the associated Sound%0A     */%0A    public SoundEditor(Sound s) %7B%0A        sound = s;%0A    %7D%0A%0A    private Sound sound;%0A%7D

Create the SoundEditor class.