«Jean-Claude Risset, who reimagined digital synthesis, has died - CDM Create Digital Music». CDM Create Digital Music, 22-11-2016 [Consulta: 30 desembre 2019]. «The sound for which Risset is best known is perhaps the most emblematic of his contributions. Creating a sonic illusion much like M.C. Escher’s optical ones, the Shepherd-Risset glissando / Risset scale, in its present form invented by the French composer, seems to ascend forever.»
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Shepard, Roger N. «Circularity in Judgements of Relative Pitch». Journal of the Acoustical Society of America, 36, 12, 12-1964, pàg. 2346–53. DOI: 10.1121/1.1919362.
Shepard, Roger N. «Circularity in Judgements of Relative Pitch». Journal of the Acoustical Society of America, 36, 12, 12-1964, pàg. 2346–53. DOI: 10.1121/1.1919362.