Real World Sound FX Volume 1 Most of these effects are binaural recordings. They were recorded with two tiny omni microphones placed directly behind my ears. Essentially the microphones hear what I hear. So if you listen to these ... Cost: $15 Buy full version       Trial version       Publisher: Applegate Audio Visual     Descriptions Real World Sound FX Volume 1: Most of these effects are binaural recordings. They were recorded with two tiny omni microphones placed directly behind my ears. Essentially the microphones hear what I hear. So if you listen to these recordings with headphones you'll hear an extreme 3 D example of the recorded sound source. Thes files are in the MP3 format at 44.1 kHz