The YM3526, better known as OPL (for "FM Operator Type L"), is a sound chip that was manufactured by Yamaha. It was aimed at the low cost market. It uses frequency modulation synthesis to generate sound, and has 9 channels with 2 operators each. Its follow-up was the popular YM3812 (OPL2), to which it was very similar - the OPL2 added only the possibility of using 4 different waveforms instead of only sine wave, and was otherwise backwards compatible. The YM3526 (OPL) was used in a Commodore 64 expansion, the Sound Expander which was never very popular, as well as several Arcade games, such as Bubble Bobble. A sound chip is an integrated circuit (i. ... The Yamaha Corporation (ヤマãƒæ ªå¼ä¼šç¤¾; TYO: 7951 ) is a Japanese company with a large number of product areas. ... Frequency modulation synthesis (or FM synthesis) is a form of audio synthesis where the timbre of a simple waveform is changed by frequency modulating it with a modulating frequency that is also in the audio range, resulting in a more complex waveform and a different-sounding tone. ... The Yamaha YM3812 also known as the OPL2 (OPL is an acronym for FM Operator Type-L) is a sound chip (i. ... Waveform quite literally means the shape and form of a signal, such as a wave moving across the surface of water, or the vibration of a plucked string. ... In trigonometry, an ideal sine wave is a waveform whose graph is identical to the generalized sine function y = Asin[ω(x − α)] + C, where A is the amplitude, ω is the angular frequency (2π/P where P is the wavelength), α is the phase shift, and C... For the hip hop group, see Commodore 64 (band). ... Centipede by Atari is a typical example of a 1980s era arcade game. ... This article or section does not cite its references or sources. ...
A very closely related chip is the Y8950, or MSX-AUDIO, which was used as an MSX expansion. It is basically a YM3526 (OPL) with the added capability of playing ADPCM samples. The very similar YM2413 was more popular though. Sony MSX 1, Model HitBit-10-P MSX was the name of a standardized home computer architecture in the 1980s. ... Pulse-code modulation (PCM) is a modulation technique. ... The YM2413, also called OPLL, is a cost-reduced sound chip manufactured by Yamaha Corporation and based on their YM3812 (OPL2). ...
External links
http://www.oplx.com/
Programming information about the OPL series sound chips. Has very little on the YM3526 though.
The YM3526, better known as OPL (for "FM Operator Type L"), is a sound chip that was manufactured by Yamaha.
The YM3526 (OPL) was used in a Commodore 64 expansion, the Sound Expander which was never very popular, as well as several Arcade games, such as Bubble Bobble.
It is basically a YM3526 (OPL) with the added capability of playing ADPCM samples.
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