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The least expensive keyboards, often with non-full size keys, use keys that are mounted on soft rubber pads that also act as electronic switches. Most electronic keyboards use spring-loaded keys that make some kinds of playing techniques, such as backhanded sweeps, impossible, but make the keyboards lighter and easier to transport.
The experimental E ♭ keyed trumpet was not confined to the natural notes, but was chromatic in all registers of the instrument. [11] Before this, the trumpet was commonly valveless and could only play the notes of the harmonic series by altering the lip tension and embouchure, a group of instruments referred to as natural or Baroque trumpets. [9]
Almost all classical keyboard instruments are polyphonic. Examples include the piano, harpsichord, organ and clavichord. These instruments feature a complete sound-generating mechanism for each key in the keybed (e.g., a piano has a string and hammer for every key, and an organ has at least one pipe for each key.)
A keyset or chorded keyboard (also called a chorded keyset, chord keyboard or chording keyboard) is a computer input device that allows the user to enter characters or commands formed by pressing several keys together, like playing a "chord" on a piano. The large number of combinations available from a small number of keys allows text or ...
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]
The AirPiano is a musical computer interface (from 2007) which allows playing and controlling software instruments simply by moving hands in the air over the device, [3] connected by USB cable. [4] Above the AirPiano is an invisible matrix of virtual keys plus faders , each pre-assigned with MIDI messages and waiting to be triggered, via ...
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MIDI was designed with keyboards in mind, and any controller that is not a keyboard is considered an "alternative" controller. [1] This was seen as a limitation by composers who were not interested in keyboard-based music, but the standard proved flexible, and MIDI compatibility was introduced to other types of controllers, including guitars ...