Synthesis and Manipulation of Natural Sounds in Electronic Music for Films
Myron Schaeffer · Journal of the SMPTE · 1964
By analyzing the spectral components of natural sounds such as bells, gongs, voices, etc., and then synthesizing them into constant-tone loop material, they can be used as the basis of electronic musical composition to create various moods without wandering too far away from the sounds to which present audiences have been conditioned.