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  2. 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.)

  3. Musical note - Wikipedia

    en.wikipedia.org/wiki/Musical_note

    Notes in it include a prime symbol below the note's letter. Names of subsequent lower octaves are preceded with "sub". Notes in each include an additional prime symbol below the note's letter. The octave starting at tenor C is called the "small" octave. Notes in it are written as lower case letters, so tenor C itself is written c in Helmholtz ...

  4. Orders of magnitude (frequency) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude...

    Acoustic – the highest musical note (C 8) playable on a normally-tuned standard piano 8 kHz: ISDN sampling rate 10 4: 10 kHz 14 kHz: Acoustic – the typical upper limit of adult human hearing 17.4 kHz: Acoustic – a frequency known as the Mosquito, which is generally only audible to those under the age of 24. 25.1 kHz

  5. List of musical symbols - Wikipedia

    en.wikipedia.org/wiki/List_of_musical_symbols

    Musical symbols are marks and symbols in musical notation that indicate various aspects of how a piece of music is to be performed. There are symbols to communicate information about many musical elements, including pitch, duration, dynamics, or articulation of musical notes; tempo, metre, form (e.g., whether sections are repeated), and details about specific playing techniques (e.g., which ...

  6. Range (music) - Wikipedia

    en.wikipedia.org/wiki/Range_(music)

    In the MIDI language middle C is referred to as MIDI note number 60. The lowest note that a pipe organ can sound (with a true pipe) is C −1 (or CCCC), which is 8 Hz, below the range of human hearing and not visible on this chart. However, if acoustic combination (a note and its fifth) counts, the lowest note is C −2 (or CCCCC), which is 4 Hz.

  7. Musical keyboard - Wikipedia

    en.wikipedia.org/wiki/Musical_keyboard

    The lowest pitch (frequency: 27.5 Hz) of an 88-key piano is equivalent to a sub contrabass in the range name. Some modern pianos have even more notes (a Bösendorfer 290 "Imperial" has 97 keys, and a Stuart & Sons model has 108 keys [1]). While modern synthesizer keyboards commonly have either 61, 76 or 88 keys, small MIDI controllers are ...

  8. A (musical note) - Wikipedia

    en.wikipedia.org/wiki/A_(musical_note)

    A is a musical note equivalent to 440 Hz in typical A440 tuning. It is the sixth note of La and the tenth semitone of the fixed-do solfège. Its enharmonic equivalents are B ♭ ♭ (B double flat) which is a diatonic semitone above A ♭ and G (G double sharp) which is a diatonic semitone below A ♯. "A" is generally used as a standard for ...

  9. Piano acoustics - Wikipedia

    en.wikipedia.org/wiki/Piano_acoustics

    The natural inharmonicity of a piano is used by the tuner to make slight adjustments in the tuning of a piano. The tuner stretches the notes, slightly sharpening the high notes and flatting the low notes to make overtones of lower notes have the same frequency as the fundamentals of higher notes. See also Piano wire, piano tuning, psychoacoustics.