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  2. Scientific pitch notation - Wikipedia

    en.wikipedia.org/wiki/Scientific_pitch_notation

    The octave 0 of the scientific pitch notation is traditionally called the sub-contra octave, and the tone marked C 0 in SPN is written as ,,C or C,, or CCC in traditional systems, such as Helmholtz notation. Octave 0 of SPN marks the low end of what humans can actually perceive, with the average person being able to hear frequencies no lower ...

  3. Octave - Wikipedia

    en.wikipedia.org/wiki/Octave

    In music, an octave (Latin: octavus: eighth) or perfect octave (sometimes called the diapason) [2] is an interval between two notes, one having twice the frequency of vibration of the other. The octave relationship is a natural phenomenon that has been referred to as the "basic miracle of music", the use of which is "common in most musical ...

  4. List of musical symbols - Wikipedia

    en.wikipedia.org/wiki/List_of_musical_symbols

    Octave clef Treble and bass clefs can be modified by octave numbers. An "8" below the clef (as in the third diagram) indicates that pitches will sound an octave lower than they would with the unmodified clef. A "15" below indicates a two-octave shift. These numbers may also be used above the clef to indicate pitches one or two octaves higher.

  5. Helmholtz pitch notation - Wikipedia

    en.wikipedia.org/wiki/Helmholtz_pitch_notation

    The naming of individual Cs using the Helmholtz system. Helmholtz pitch notation is a system for naming musical notes of the Western chromatic scale.Fully described and normalized by the German scientist Hermann von Helmholtz, it uses a combination of upper and lower case letters (A to G), [a] and the sub- and super-prime symbols ( ͵ ′ or ⸜ ⸝) to denote each individual note of the scale.

  6. Numbered musical notation - Wikipedia

    en.wikipedia.org/wiki/Numbered_musical_notation

    The numbered musical notation (simplified Chinese: 简谱; traditional Chinese: 簡譜; pinyin: jiǎnpǔ; lit. 'simplified notation', not to be confused with the integer notation) is a cipher notation system used in mainland China, Taiwan, Hong Kong, and to some extent in Japan, Indonesia (in a slightly different format called "not angka"), Malaysia, Australia, Ireland, the United Kingdom ...

  7. Musical note - Wikipedia

    en.wikipedia.org/wiki/Musical_note

    Although Boethius is the first author known to use this nomenclature in the literature, Ptolemy wrote of the two-octave range five centuries before, calling it the perfect system or complete system – as opposed to other, smaller-range note systems that did not contain all possible species of octave (i.e., the seven octaves starting from A, B ...

  8. Piano key frequencies - Wikipedia

    en.wikipedia.org/wiki/Piano_key_frequencies

    The normal 88 keys were numbered 1–88, with the extra low keys numbered 89–97 and the extra high keys numbered 98–108. A 108-key piano that extends from C 0 to B 8 was first built in 2018 by Stuart & Sons. [4] (Note: these piano key numbers 1-108 are not the n keys in the equations or the table.)

  9. Musical notation - Wikipedia

    en.wikipedia.org/wiki/Musical_notation

    Jeongganbo musical notation system. Jeongganbo is a traditional musical notation system created during the time of Sejong the Great that was the first East Asian system to represent rhythm, pitch, and time. [22] [23] Among various kinds of Korean traditional music, Jeong-gan-bo targets a particular genre, Jeong-ak (정악, 正樂).