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The Texas Instruments SN76489 is a programmable sound generator chip from the 1980s, used to create music and sound effects on computers and video game systems. Initially developed by Texas Instruments for its TI-99/4A home computer, it was later updated and widely adopted in systems like the BBC Micro , ColecoVision , IBM PCjr , Sega's Master ...
Sega Melody Generator 1981 1 Sega G80 arcade system board [24] Sharp Corporation: Sharp LR35902: 1989 4 Game Boy, Game Boy Color, Game Boy Advance: In Game Boy Advance, it's used for Game Boy/Game Boy Color mode and supports software-mixed PCM as a secondary function. [25] Sharp SM8521 1997 1 Game.com: Noise generator Sunsoft: Sunsoft 5B: 1992 3
A programmable sound generator (PSG) is a sound chip that generates (or synthesizes) audio wave signals built from one or more basic waveforms, and often some kind of noise. PSGs use a relatively simple method of creating sound compared to other methods such as frequency modulation synthesis or pulse-code modulation. [1]
The Yamaha YM2149F SSG (Software-controlled Sound Generator) chip has the same pinout as the AY-3-8910, with the minor difference that pin 26 could halve the master clock if pulled low. If left unconnected, as it would be if replacing an AY-3-8910 chip, an internal resistor pulls the pin high, so the master clock is not halved.
The Game Boy uses two pulse channels (switchable between 12.5%, 25%, 50% and 75% wave duty cycle), a channel for a 4-bit waveform generator, and a pseudo-random-noise generator. The Commodore 64 however used the MOS Technology SID chip which offered 3 channels, each switchable between pulse, saw-tooth, triangle, and noise.
Fred has a high-pitched voice and is hyperactive, achieved by speeding up the footage. [2] Cruikshank has described the channel as "programming for kids by kids" [1] as a parody of people who "think that everyone is so interested in them". He believes that viewers either "automatically love Fred or automatically hate Fred, there is no in-between".
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In the popular music industry, video game music and sounds have appeared in songs by various popular artists. [64] Arcade game sounds had a particularly strong influence on the hip hop, [65] pop music (particularly synthpop) [66] and electro music [67] genres during the golden age of arcade video games in the early 1980s.