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In technical terms, an electronic keyboard is a rompler-based synthesizer with a low-wattage power amplifier and small loudspeakers. Electronic keyboards offer a diverse selection of instrument sounds (piano, organ, violin, etc.) along with synthesizer tones. Designed primarily for beginners and home users, they generally feature unweighted keys.
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]
An electronic piano is a keyboard instrument designed to simulate the timbre of a piano (and sometimes a harpsichord or an organ) using analog circuitry. "Electronic Piano" was also the trade name used for Wurlitzer 's popular line of electric pianos , which were produced from the 1950s to the 1980s, although this was not actually what is now ...
This category covers all electric and electronic keyboard instruments, including the Hammond Organ which is possibly unique in being neither a strictly electronic instrument nor an amplified version of an acoustic instrument, and is therefore described as being an electric instrument but not an electronic instrument.
The first computer keyboards were for mainframe computer data terminals and used discrete electronic parts. The first keyboard microprocessor was introduced in 1972 by General Instruments, but keyboards have been using the single-chip 8048 microcontroller variant since it became available in 1978.
Simpler electronic keyboards have switches under each key. Depressing a key connects a circuit, which triggers tone generation. Most keyboards use a keyboard matrix circuit, in which 8 rows and 8 columns of wires cross — thus, 16 wires can provide 8 × 8 = 64 crossings, which the keyboard controller scans to determine which key was pressed. [7]
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 ...
As technology became more developed, huge synthesizers evolved into portable instruments that could be used in live shows. The rapid accumulation of momentum began in 1964 when Bob Moog produced his Moog synthesizer. It used a remote keyboard and was 'modular' in design. (i.e. it was a rack that held boxes which each had a function.
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