Yamaha Super Intelligent Sound Processor

315-6232 Sound processor on Dreamcast.

315-6119 Sound processor on NAOMI.

Yamaha AICA Super Intelligent Sound Processor is a processor for Dreamcast and Naomi in 1998.

Specifications

• CPU core: ARM7 @ 45 MHz^[1]
  • Performance: 32-bit RISC instructions @ 40 MIPS (million instructions per second)^[1]
• PCM: 64 simultaneous audio channels, 16-bit depth, 44.1 kHz sampling rate,^[2]
  • Hardware ADPCM 4:1 decompression
• XG MIDI support
• 3D environment effects
• DSP for reverb, chorus and other musical effects
• Memory: 2 MB RAM (random-access memory)

Notes

References

• "Dreamcast hardware". firing squad.com.