Source: framework/components/audio-source/data.js

/**
 * @private
 * @constructor
 */
pc.AudioSourceComponentData = function AudioSourceComponentData() {
    // serialized
    this.enabled = true;
    this.assets = [];
    this.activate = true;
    this.volume = 1;
    this.pitch = 1;
    this.loop = false;
    this['3d'] = true;

    this.minDistance = 1;
    this.maxDistance = 10000;
    this.rollOffFactor = 1;
    this.distanceModel = pc.DISTANCE_INVERSE;

    // not serialized
    this.paused = true;

    this.sources = {};
    this.currentSource = null;
    this.channel = null;
};