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  2. WGBH-TV - Wikipedia

    en.wikipedia.org/wiki/WGBH-TV

    WGBH-TV is the flagship property of the WGBH Educational Foundation, which also owns Boston's secondary PBS member WGBX-TV (channel 44) and Springfield, Massachusetts PBS member WGBY-TV (channel 57, operated by New England Public Media), Class A Biz TV affiliate WFXZ-CD (channel 24) and public radio stations WGBH (89.7 FM) and WCRB (99.5 FM) in the Boston area, and WCAI radio (and satellites ...

  3. Yamaha YM2612 - Wikipedia

    en.wikipedia.org/wiki/Yamaha_YM2612

    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]

  4. List of sound chips - Wikipedia

    en.wikipedia.org/wiki/List_of_sound_chips

    Yamaha digital synthesizers (TX81Z, DX11, YS200), Korg Z3 guitar synthesizer [33] [73] [63] Yamaha YM2610 (a.k.a. OPNB) 1987 16 4 4 SNK's Neo Geo console, arcade systems (particularly Neo Geo and Taito games) 7 additional ADPCM channels [74] [21] Yamaha YM2612 (a.k.a. OPN2) 1988 24 6 4 Sega Mega Drive/Genesis console, FM Towns computer, Sega ...

  5. Yamaha DX7 - Wikipedia

    en.wikipedia.org/wiki/Yamaha_DX7

    The DX7 was the first synthesizer to sell more than 100,000 units. [7] Yamaha manufactured units on a scale American competitors could not match; by comparison, Moog sold 12,000 Minimoog synthesizers in 11 years, and could not meet demand. [14] The FM patent was for years one of Stanford's highest earning. [15]

  6. Yamaha OPL - Wikipedia

    en.wikipedia.org/wiki/Yamaha_OPL

    The YM3526, introduced in 1984, was the first in the OPL family, providing a nine channel, two operator synthesizer.A very closely related chip is the Y8950, or MSX-AUDIO, which was used as an MSX expansion.

  7. Synthesizer - Wikipedia

    en.wikipedia.org/wiki/Synthesizer

    A synthesizer (also synthesiser [1] or synth) is an electronic musical instrument that generates audio signals. Synthesizers typically create sounds by generating waveforms through methods including subtractive synthesis , additive synthesis and frequency modulation synthesis .

  8. Frequency synthesizer - Wikipedia

    en.wikipedia.org/wiki/Frequency_synthesizer

    A frequency synthesizer is an electronic circuit that generates a range of frequencies from a single reference frequency. Frequency synthesizers are used in devices such as radio receivers , televisions , mobile telephones , radiotelephones , walkie-talkies , CB radios , cable television converter boxes , satellite receivers, and GPS systems.

  9. Simmons (electronic drum company) - Wikipedia

    en.wikipedia.org/wiki/Simmons_(electronic_drum...

    The SDS-3 featured four drum channels and a noise generator; [2] [3] the SDS-4 was a functionally similar two-channel version. [3] At this juncture, the drum pads were round, with wooden frames and real 8-inch drum heads. [4] Musicaid was also the distributor for the Lyricon wind synthesizer as played by John L. Walters of Landscape.