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The Yamaha YM2151, also known as OPM (FM Operator Type-M) is an eight-channel, four-operator sound chip developed by Yamaha. It was Yamaha's first single-chip FM synthesis implementation, being created originally for some of the Yamaha DX series of keyboards (DX21, DX27, and DX100 [1]). Yamaha also used it in some of their budget-priced ...
Sega Mega Drive/Genesis console, FM Towns computer, Sega arcade systems: PCM supported on one of the channels [75] Yamaha YM3438 (a.k.a. OPN2C) 1989 24 6 4 Sega Mega Drive/Genesis console (later models), FM Towns computer, Sega arcade systems: Improved Yamaha YM2612, PCM supported on one of the channels, silicon-gate CMOS LSI chip Yamaha YMF262 ...
The OPL (FM Operator Type-L) series is a family of sound chips developed by Yamaha.It consists of low-cost sound chips providing FM synthesis for use in computing, music and video game applications.
The Yamaha YM2164, a.k.a. OPP (FM Operator Type P), is an FM synthesis sound chip developed by Yamaha, an enhanced version of their YM2151 (a.k.a. OPM). The OPP was used in various MIDI-based synthesizers by Yamaha - DX21, DX27, DX100, SFG-05, FB-01 (a standalone SFG-05) - plus several licensed products: the IBM Music Feature Card (which is effectively an FB-01 on an ISA card) and Korg's DS-8 ...
It was the progenitor of Yamaha's OPN family of FM synthesis chips used in many video game and computer systems throughout the 1980s and early 1990s. It was used in a variety of NEC computers, along with various arcade game machines. The YM2203 has the following features: Three concurrent FM synthesis channels (voices) Four operators per channel
The YM2608, a.k.a. OPNA, is a sound chip developed by Yamaha. It is a member of Yamaha's OPN family of FM synthesis chips, and is the successor to the YM2203. It was notably used in NEC's PC-8801/PC-9801 series computers. The YM2608 consists of four internal modules: FM Sound Source, a six-channel FM synthesis sound system, based on the YM2203
Frequency modulation synthesis (or FM synthesis) is a form of sound synthesis whereby the frequency of a waveform is changed by modulating its frequency with a modulator. The (instantaneous) frequency of an oscillator is altered in accordance with the amplitude of a modulating signal.
The YM2612, a.k.a. OPN2, is a sound chip developed by Yamaha.It is a member of Yamaha's OPN family of FM synthesis chips, and is derived from the YM2203. [1]The YM2612 is a six-channel FM synthesizer used in several game and computer systems, most notably in Sega's Mega Drive/Genesis video game console [2] as well as Fujitsu's FM Towns computer series. [3]