Difference between revisions of "Yamaha Super Intelligent Sound Processor"

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The '''Yamaha AICA Super Intelligent Sound Processor''' is a [[Yamaha]] sound processor released for the [[Sega Dreamcast]] console and [[Sega NAOMI]] [[arcade]] system in 1998.
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The '''Yamaha AICA Super Intelligent Sound Processor''' is a [[Yamaha]] sound processor created for the [[Sega Dreamcast]] console, [[Sega NAOMI]], [[Sega NAOMI 2]] and the [[Sega Hikaru]] in 1998.
  
== Specifications ==
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==Technical specifications==
 
*AICA clock rate: 67 MHz{{ref|http://web.archive.org/web/20000823204755/computer.org/micro/articles/dreamcast_2.htm}}
 
*AICA clock rate: 67 MHz{{ref|http://web.archive.org/web/20000823204755/computer.org/micro/articles/dreamcast_2.htm}}
 
*CPU core: ARM7 @ 45 MHz{{ref|http://www.segatech.com/technical/saturnspecs/}}
 
*CPU core: ARM7 @ 45 MHz{{ref|http://www.segatech.com/technical/saturnspecs/}}
**Performance: 32‑bit RISC instructions @ 40 MIPS (million instructions per second)
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:*Performance: 32‑bit RISC instructions @ 40 MIPS (million instructions per second)
 
*[[Pulse-code modulation|PCM]]: 64 simultaneous audio channels, 16‑bit depth, 48 kHz sampling rate{{fileref|DreamcastDevBoxSystemArchitecture.pdf}}{{ref|http://segatech.com/technical/overview/index.html}}
 
*[[Pulse-code modulation|PCM]]: 64 simultaneous audio channels, 16‑bit depth, 48 kHz sampling rate{{fileref|DreamcastDevBoxSystemArchitecture.pdf}}{{ref|http://segatech.com/technical/overview/index.html}}
**Hardware ADPCM 4:1 decompression
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:*Hardware ADPCM 4:1 decompression{{ref|https://github.com/mamedev/mame/blob/master/src/devices/sound/aica.cpp}}
 
*XG MIDI support
 
*XG MIDI support
 
*3D environment effects
 
*3D environment effects
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==References==
 
==References==
<references />
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<references/>

Latest revision as of 08:42, 8 October 2023

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YAICASISP.jpg
Yamaha Super Intelligent Sound Processor
Designer: Yamaha

The Yamaha AICA Super Intelligent Sound Processor is a Yamaha sound processor created for the Sega Dreamcast console, Sega NAOMI, Sega NAOMI 2 and the Sega Hikaru in 1998.

Technical specifications

  • AICA clock rate: 67 MHz[1]
  • CPU core: ARM7 @ 45 MHz[2]
  • Performance: 32‑bit RISC instructions @ 40 MIPS (million instructions per second)
  • PCM: 64 simultaneous audio channels, 16‑bit depth, 48 kHz sampling rate[3][4]
  • Hardware ADPCM 4:1 decompression[5]
  • XG MIDI support
  • 3D environment effects
  • DSP for reverb, chorus and other musical effects
  • RAM: 2 MB (Dreamcast), 8 MB (NAOMI)
  • Middleware: Audio compression, voice recognition[1]

References