The Yamaha YM2154, also known as RYP4 (Rhythm Processor), is an audio
microchip
An integrated circuit or monolithic integrated circuit (also referred to as an IC, a chip, or a microchip) is a set of electronic circuits on one small flat piece (or "chip") of semiconductor material, usually silicon. Large numbers of tiny M ...
that was produced by the
Yamaha Corporation
is a Japanese multinational corporation and conglomerate with a very wide range of products and services. It is one of the constituents of Nikkei 225 and is the world's largest musical instrument manufacturing company. The former motorcycle div ...
. It been used for
keyboards
Keyboard may refer to:
Text input
* Keyboard, part of a typewriter
* Computer keyboard
** Keyboard layout, the software control of computer keyboards and their mapping
** Keyboard technology, computer keyboard hardware and firmware
Music
* Musi ...
and
drum machines. It has twelve individual
samples and also an ADPCM
Rompler
A rompler is a synthesizer that plays pre-fabricated sounds based on audio samples. The term ''rompler'' is a blend of the terms ''ROM'' and ''sampler.'' In contrast to samplers, romplers do not record audio. Both may have additional sound edit ...
and a ten
channel
Channel, channels, channeling, etc., may refer to:
Geography
* Channel (geography), in physical geography, a landform consisting of the outline (banks) of the path of a narrow body of water.
Australia
* Channel Country, region of outback Austral ...
Analog-to-digital converter.
Products
The chip was used in (1985) for the Porta Tone PSR-60, PSR-70 and PSR-80. It was also used in the RX-11 and RX-15 drum machines.
References
Yamaha sound chips
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