Description:
Mute sound and unmute again.
Result:
Mute and unmute sound when click the button.
Code:
            var source = null;
            
            var muted = false;
            
            function onload() {
                var engine = new jWebAudio.SoundEngine();
                source = engine.addSoundSource({
                    'url': '../../examples/resource/a.ogg',
                    'preLoad': true,
                    'callback': function() {
                        source.sound.play();
                        document.getElementById('btn').disabled = false;
                    }
                });
            }
            
            function mute() {
                if (muted) {
                    // set unmuted
                    document.getElementById('btn').innerHTML = 'Mute';
                    source.sound.setMuted(false);
                } else {
                    // set muted
                    document.getElementById('btn').innerHTML = 'Unmute';
                    source.sound.setMuted(true);
                }
                muted = !muted;
            }