Stereo sound refers to the "reproduction of sound using two o more independent audio channels." This gives an immersive feeling to the audience by creating the impression of sound heard from multiple angles. On the other hand, Mono recordings have audio compressed into a single channel. These are relatively inexpensive and easy to record, however, these provide lower quality audio compared to stereo sound. It was interesting to learn that there are multiple methods of recording stereo. The X-Y technique for example, uses two directional microphones pointing at different angles in order to catch audio from different fields. I was surprised that the stereo system was not popular among filmmakers until Walt Disney's Fantasia even though the technology has already been developed. It took a popular animated film for the film industry to recognize the potential of a stereo sound.
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