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  2. Yamaha YM2151 - Wikipedia

    en.wikipedia.org/wiki/Yamaha_YM2151

    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 ...

  3. List of sound chips - Wikipedia

    en.wikipedia.org/wiki/List_of_sound_chips

    Yamaha YM2151 (a.k.a. OPM) 1983 32 8 4 Mid-1980s to mid-1990s arcade systems (the most prolific FM chip used in arcades), Sharp X1 and X68000 computers, MSX (CX5M, Yamaha SFG-01 and SFG-05 FM Sound Synthesizer Unit), Yamaha digital synthesizers (DX21, DX27, DX100) NMOS chip (depletion-load) [61] [62] [33] [63] Yamaha YM2203 (a.k.a. OPN) 1984 12 3 4

  4. Yamaha YM2164 - Wikipedia

    en.wikipedia.org/wiki/Yamaha_YM2164

    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 ...

  5. Yamaha OPL - Wikipedia

    en.wikipedia.org/wiki/Yamaha_OPL

    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.

  6. OPM - Wikipedia

    en.wikipedia.org/wiki/OPM

    Yamaha YM2151, an FM sound chip used in the late 1980s, also known as OPM (FM Operator Type-M) Entertainment. Official U.S. PlayStation Magazine, ...

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    mail.aol.com

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  8. Frequency modulation synthesis - Wikipedia

    en.wikipedia.org/wiki/Frequency_modulation_synthesis

    FM synthesis was the basis of some of the early generations of digital synthesizers, most notably those from Yamaha, as well as New England Digital Corporation under license from Yamaha. [5] Yamaha DX7 FM digital synthesizer (1983) Yamaha's DX7 synthesizer, released in 1983, was ubiquitous throughout the 1980s. Several other models by Yamaha ...

  9. IRS employees accept OPM federal worker buyout; How the 2025 ...

    www.aol.com/irs-employees-accept-opm-federal...

    Feb. 6 marked the deadline for federal workers to accept the U.S. Office of Personnel Management (OPM) and the Trump Administration's offer of a buyout. These buyouts, or the option of "deferred ...