The YM2610, a.k.a. OPNB, is a

sound chip A sound chip is an integrated circuit (chip) designed to produce audio signals through digital, analog or mixed-mode electronics. Sound chips are typically fabricated on metal–oxide–semiconductor (MOS) mixed-signal chips that process ...

developed by

Yamaha Yamaha may refer to: * Yamaha Corporation, a Japanese company with a wide range of products and services, established in 1887. The company is the largest shareholder of Yamaha Motor Company (below). ** Yamaha Music Foundation, an organization estab ...

. It is a member of Yamaha's OPN family of

FM synthesis 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 frequency of an oscillator is altered "in accordance with the amplitude ...

chips, and related to the

YM2608 Yamaha YM2608 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 ...

. The YM2610 was used in

Taito is a Japanese company that specializes in video games, toys, arcade cabinets and game centers, based in Shinjuku, Tokyo. The company was founded by Michael Kogan in 1953 as the importing vodka, vending machines and jukeboxes into Japan. It b ...

arcade system boards An arcade video game takes player input from its controls, processes it through electrical or computerized components, and displays output to an electronic monitor or similar display. Most arcade video games are coin-operated, housed in an arca ...

from 1987, including the

Taito Z System is a Japanese company that specializes in video games, toys, arcade cabinets and game centers, based in Shinjuku, Tokyo. The company was founded by Michael Kogan in 1953 as the importing vodka, vending machines and jukeboxes into Japan. It b ...

. It was most notably used in

SNK is a Japanese video game hardware and software company. It is the successor to the company Shin Nihon Kikaku and presently owns the SNK video game brand and the Neo Geo video game platform. SNK's predecessor Shin Nihon Kikaku was founded in 1978 ...

Neo Geo Neo Geo is a family of video game hardware developed by SNK. On the market from 1990 to 2004, the brand originated with the release of an arcade system, the Neo Geo MVS and its home console counterpart, the Neo Geo AES. The Neo Geo MVS was su ...

arcade and home video game systems from 1990, along with other

arcade game An arcade game or coin-op game is a coin-operated entertainment machine typically installed in public businesses such as restaurants, bars and amusement arcades. Most arcade games are presented as primarily games of skill and include arcade v ...

systems. The YM2610 has the following features: *Four concurrent

channels (voices) *Four operators per channel *Two interval timers *A

low frequency oscillator Low-frequency oscillation (LFO) is an electronic frequency that is usually below 20 Hz and creates a rhythmic pulse or sweep. This is used to modulate musical equipment such as synthesizers to create audio effects such as vibrato, tremolo ...

(LFO) *Three SSG square wave tone/

noise Noise is unwanted sound considered unpleasant, loud or disruptive to hearing. From a physics standpoint, there is no distinction between noise and desired sound, as both are vibrations through a medium, such as air or water. The difference arise ...

channels: compatible with

YM2149 The AY-3-8910 is a 3-voice programmable sound generator (PSG) designed by General Instrument in 1978, initially for use with their 16-bit CP1610 or one of the PIC1650 series of 8-bit microcomputers. The AY-3-8910 and its variants were used i ...

*Seven

adaptive differential pulse-code modulation Adaptive differential pulse-code modulation (ADPCM) is a variant of differential pulse-code modulation (DPCM) that varies the size of the quantization step, to allow further reduction of the required data bandwidth for a given signal-to-noise ratio ...

(PCM) channels: **ADPCM-A: Six ADPCM channels, fixed pitch, 18.5 kHz sampling rate at 12-bit from 4-bit data **ADPCM-B: One ADPCM channel, variable pitch, 2–55.5 kHz sampling rate at 16-bit from 4-bit data The YM2610B variant added two extra FM channels for a total of six, but was identical in every other feature. The YM2610 is used in conjunction with a YM3016 stereo DAC.

References

YM2610 Datasheet

YM2610 The YM2610, a.k.a. OPNB, is a sound chip developed by Yamaha Corporation, Yamaha. It is a member of Yamaha's OPN family of FM synthesis chips, and related to the Yamaha YM2608, YM2608. The YM2610 was used in Taito's arcade system boards from 1987, ...

Video game music technology {{compu-hardware-stub

See also

References