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An isomorphic keyboard is a musical input device consisting of a two-dimensional grid of note-controlling elements (such as buttons or keys) on which any given sequence and/or combination of musical intervals has the "same shape" on the keyboard wherever it occurs – within a key, across keys, across octaves, and across tunings.
ISO/IEC 9995-10:2013 Conventional symbols and methods to represent graphic characters not uniquely recognizable by their glyph on keyboards and in documentation [14] ISO/IEC 9995-11:2015 Functionality of dead keys and repertoires of characters entered by dead keys [15] Parts 1, [16] 2, [17] 3, [18] 4, [19] and 11 [20] are currently under revision.
The most common of these are the piano, organ, and various electronic keyboards, including synthesizers and digital pianos. Other keyboard instruments include celestas, which are struck idiophones operated by a keyboard, and carillons, which are usually housed in bell towers or belfries of churches or municipal buildings. [1]
Pressing a key on the keyboard makes the instrument produce sounds—either by mechanically striking a string or tine (acoustic and electric piano, clavichord), plucking a string (harpsichord), causing air to flow through a pipe organ, striking a bell , or activating an electronic circuit (synthesizer, digital piano, electronic keyboard).
A typical 105-key computer keyboard, consisting of sections with different types of keys. A computer keyboard consists of alphanumeric or character keys for typing, modifier keys for altering the functions of other keys, [1] navigation keys for moving the text cursor on the screen, function keys and system command keys—such as Esc and Break—for special actions, and often a numeric keypad ...
English: ISO keyboard layout (105 keys) with UK engravings. Compared with the source image, the mechanical and visual layouts are different. The color scheme and legends have also been changed in order to better reflect the various key functions.
This is a list of the fundamental frequencies in hertz (cycles per second) of the keys of a modern 88-key standard or 108-key extended piano in twelve-tone equal temperament, with the 49th key, the fifth A (called A 4), tuned to 440 Hz (referred to as A440). [1] [2] Every octave is made of twelve steps called semitones.
macOS, Windows (also previously for Atari ST) Proprietary: PG Music: Accompaniment sequencer with audio loops and more. Cakewalk by BandLab: Windows: Proprietary: BandLab Technologies: Piano roll, event list: Steinberg Cubase: macOS, Windows (also previously for Atari ST) Proprietary: Steinberg: Score, piano roll, drum editor, event list [1 ...