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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.
Latin American Spanish keyboard layout. The Latin American Spanish keyboard layout is used throughout Mexico, Central and South America. Before its design, Latin American vendors had been selling the Spanish (Spain) layout as default; this is still being the case, with both keyboard layouts being sold simultaneously all over the region.
The keyboard sends the key code to the keyboard driver running in the main computer; if the main computer is operating, it commands the light to turn on. All the other indicator lights work in a similar way. The keyboard driver also tracks the Shift, alt and control state of the keyboard.
Language input keys, which are usually found on Japanese and Korean keyboards, are keys designed to translate letters using an input method editor (IME). On non-Japanese or Korean keyboard layouts using an IME, these functions can usually be reproduced via hotkeys, though not always directly corresponding to the behavior of these keys.
Mechanical keyboards (or mechanical-switch keyboards) are computer keyboards which have an individual switch for each key. The following table is a compilation list of mechanical keyboard models, brands, and series:
Tuning Exploration, play the Wicki layout on your computer keyboard while changing the tuning dynamically. The Hayden duet system concertina – Resource List . Relayer : an app (Windows and OS X) that enables musicians who play the QWERTY computer keyboard or the AXiS-49 MIDI controller, to play in a wide variety of isomorphic note layouts ...
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An example: Dieterich Buxtehude's O dulcis Jesu (BuxWV 83) in full score using tablature Keyboard tablature is a form of musical notation for keyboard instruments.Widely used in some parts of Europe from the 15th century, it co-existed with, and was eventually replaced by modern staff notation in the 18th century.