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13 relations: Binary logarithm, Decade (log scale), Decibel, Diatonic and chromatic, Electronics, Frequency, Interval ratio, Logarithm, Numeral prefix, Octave, Octave band, One-third octave, Unit of measurement.
Binary logarithm
In mathematics, the binary logarithm is the power to which the number must be raised to obtain the value.
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Decade (log scale)
One decade (symbol dec) is a unit for measuring frequency ratios on a logarithmic scale, with one decade corresponding to a ratio of 10 between two frequencies (an order of magnitude difference).
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Decibel
The decibel (symbol: dB) is a unit of measurement used to express the ratio of one value of a physical property to another on a logarithmic scale.
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Diatonic and chromatic
Diatonic (διατονική) and chromatic (χρωματική) are terms in music theory that are most often used to characterize scales, and are also applied to musical instruments, intervals, chords, notes, musical styles, and kinds of harmony.
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Electronics
Electronics is the discipline dealing with the development and application of devices and systems involving the flow of electrons in a vacuum, in gaseous media, and in semiconductors.
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Frequency
Frequency is the number of occurrences of a repeating event per unit of time.
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Interval ratio
In music, an interval ratio is a ratio of the frequencies of the pitches in a musical interval.
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Logarithm
In mathematics, the logarithm is the inverse function to exponentiation.
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Numeral prefix
Numeral or number prefixes are prefixes derived from numerals or occasionally other numbers.
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Octave
In music, an octave (octavus: eighth) or perfect octave is the interval between one musical pitch and another with half or double its frequency.
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Octave band
Analyzing a source on a frequency by frequency basis is possible but time consuming.
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One-third octave
A one-third octave is a logarithmic unit of frequency ratio equal to either one third of an octave or one tenth of a decade.
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Unit of measurement
A unit of measurement is a definite magnitude of a quantity, defined and adopted by convention or by law, that is used as a standard for measurement of the same kind of quantity.
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