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Keywords:

  • brain;
  • sound resonance;
  • spectral language;
  • music

Abstract: The author discusses the “preferential phenomenology” of sound spectra. Most interesting have been the sound relations that result from special filtering according to “rings” of resonance. Mathematical operations are required to describe this filtering of frequency multiples—spectral components—producing sum and difference tones. With new harmonic formats, a new phenomenological vocabulary of music is achieved that evolves far beyond its historical language.