injector-test.js

var soundURL = "http://hifi-public.s3.amazonaws.com/birarda/medium-crowd.wav";
var injector = null;
var sound = null;

function startInjector() {
    injector = Audio.playSound(sound, {
        position: MyAvatar.position,
        volume: 0.5,
        localOnly: false,
        loop: false
    });
}

sound = SoundCache.getSound(soundURL);
if (sound.downloaded) {
    startInjector();
} else {
    sound.ready.connect(startInjector);
}

Script.scriptEnding.connect(function() {
    injector.stop();
});