constructor(conf) {
    super({ type: 'audio' });

    conf = typeof conf === 'string' ? { path: conf } : conf;
    const {
      src,
      bg = false,
      path,
      loop = false,
      start,
      startTime,
      volume = -1,
      fadeIn = -1,
      fadeOut = -1,
      ss = -1,
      to = -1,
    } = conf;

    this.bg = bg;
    this.loop = loop;
    this.volume = volume;
    this.path = path || src;
    this.start = start || startTime || 0;
    this.fadeIn = fadeIn;
    this.fadeOut = fadeOut;
    this.ss = ss;
    this.to = to;
  }
FFAudio - audio component-can be used to play sound

####Example:

    const audio = new FFAudio(args);

####Note:
    Adding multiple audio inputs to video with ffmpeg not working?
    https://superuser.com/questions/1191642/adding-multiple-audio-inputs-to-video-with-ffmpeg-not-working

@class
@param {object} conf FFAudio component related configuration