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Keyboard expression is the ability of a keyboard musical instrument to change tone or other qualities of the sound in response to velocity, pressure or other variations in how the performer depresses the keys of the musical keyboard. Expression types include: Velocity sensitivity—how fast the key is pressed
A musical keyboard is the set of adjacent depressible levers or keys on a musical instrument. Keyboards typically contain keys for playing the twelve notes of the Western musical scale, with a combination of larger, longer keys and smaller, shorter keys that repeats at the interval of an octave.
Manufacturers of electronic keyboards, synthesizers, and digital pianos have used various designs to recreate the feel of an acoustic piano. The simplest electronic keyboards, sometimes known as synth-action, use springs to restore each key to its resting position, similar in concept to a computer keyboard, but providing the least realism. [9]
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 ...
To use these modules, they are typically connected to a MIDI controller keyboard, and the output signal from the module is plugged into a keyboard amplifier or PA system. One early example of a digital piano module is Roland's 1986 MKS-20 digital piano module. Pianoteq is a software synthesizer which shares some characteristics with piano modules.
The earliest known keyboard instrument was the Ancient Greek hydraulis, a type of pipe organ invented in the third century BC. [2] The keys were likely balanced and could be played with a light touch, as is clear from the reference in a Latin poem by Claudian (late 4th century), who says magna levi detrudens murmura tactu . . . intonet, that is "let him thunder forth as he presses out mighty ...
Splitting the keyboard at a given point allows a musician to play, for example, a bass guitar sound with the left hand and a piano sound with the right hand. Layering timbres allows a musician to play, for example, a pipe organ sound and a string ensemble sound together. Combinations of keyboard splits and layers may be possible.
A key is a component of a musical instrument, the purpose and function of which depends on the instrument. However, the term is most often used in the context of keyboard instruments , in which case it refers to the exterior part of the instrument that the player physically interacts in the process of sound production.