Assertion: binary logarithm | /r/ObjectUse | used in music theory
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Source sentences:
text: Binary logarithms are also used in computer science, where the binary system is ubiquitous; in music theory, where a pitch ratio of two (the octave) is ubiquitous and the cent is the binary logarithm (scaled by 1200) of the ratio between two adjacent equally-tempered pitches in European classical music; and in photography to measure exposure values.