570edo
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570 equal divisions of the octave (abbreviated 570edo or 570ed2), also called 570-tone equal temperament (570tet) or 570 equal temperament (570et) when viewed under a regular temperament perspective, is the tuning system that divides the octave into 570 equal parts of about 2.11 ¢ each. Each step represents a frequency ratio of 21/570, or the 570th root of 2.