In order to unlock the full creative potentials in sound design, one must first understand how sound functions, both as a physical material and as a perceived phenomenon. Focusing on the creative process, while exploring the physics of sound and introducing psychoacoustic realities of listening, the reader builds an understanding of sound as object and sensation. This knowledge of sound contextualizes the design and application of sound recording technologies, which readers are encouraged to apply creatively and experiment with in order to realize their aesthetic and narrative intentions.