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An electronic keyboard, portable keyboard, or digital keyboard is an electronic musical instrument based on keyboard instruments. [1] Electronic keyboards include synthesizers , digital pianos , stage pianos , electronic organs and digital audio workstations .
The design of the key action mechanism determines the "weight" of the keys, i.e., the force required to sound a note; [2] [3] [4]: 91 that is, the feeling of the heaviness of the touch of the keys. [ need quotation to verify ] "A professional pianist is likely to care most about the piano's action, because that is what controls its ...
Rather than pressing a key, the performer typically strikes each element (e.g., a metal or wood bar) with a mallet. There are some examples of a musical keyboard layout used for non-musical devices. For example, some of the earliest printing telegraph machines used a layout similar to a piano keyboard. [9] [10]
When the pedal is up, the bars produce a muted sound; when the pedal is down, the bars sustain for several seconds or until again muted with the pedal. The vibraphone is commonly used in jazz music, in which it often plays a featured role, and was a defining element of the sound of mid-20th-century " Tiki lounge " exotica , as popularized by ...
Piano Grand piano Upright piano Keyboard instrument Hornbostel–Sachs classification 314.122-4-8 (Simple chordophone with keyboard sounded by hammers) Inventor(s) Bartolomeo Cristofori Developed Early 18th century Playing range The Well-Tempered Clavier, first prelude of Book I Played by Kimiko Douglass-Ishizaka Problems playing this file? See media help. A piano is a keyboard instrument that ...
A double bar line (or double bar) consists of two single bar lines drawn close together, separating two sections within a piece, or a bar line followed by a thicker bar line, indicating the end of a piece or movement. Note that double bar refers not to a type of bar (i.e., measure), but to a type of bar line.
The corresponding sign to show where the repeat is from is either the same sign reversed (if it is at the beginning of a bar), or the dots themselves (if it is in the middle of a bar). First and second endings are given with just the numbers above the corresponding bars.
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.