SPU: Difference between revisions
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== Revisions == | == Revisions == | ||
=== Dedicated SPU === | === Dedicated SPU === | ||
* CXD2922Q (PU-7, PU-8 | * CXD2922Q (PU-7, PU-8-11) | ||
* CXD2925Q (PU-8 from -21 and up, PU-16, PU-18, PU-20) | * CXD2925Q (PU-8 from -21 and up, PU-16, PU-18, PU-20) | ||
Revision as of 20:29, 15 September 2022
Overview
Sound Processing Unit of the PlayStation.
- Supports ADPCM sources with up to 24 channels
- Sampling rate of up to 44.1 kHz
- 512 KB RAM
- PCM audio source
- Supports MIDI sequencing
- Digital effects include:
- Pitch modulation
- ADSR-Envelope
- Looping
- Digital reverb
All versions except CXD2941R require 4 MBits / 512 KBytes of external DRAM. CXD2941R has this RAM internally.
Revisions
Dedicated SPU
- CXD2922Q (PU-7, PU-8-11)
- CXD2925Q (PU-8 from -21 and up, PU-16, PU-18, PU-20)
DSP + CD-controller + CD-controller's RAM + SPU + audio-DAC
- CXD2938Q (PU-22, PU-23, PM-41 up to PM-41-61)
DSP + CD-controller + CD-controller's RAM + SPU + SPU's RAM + audio-DAC
- CXD2941R (PM-41-71, PM-41-82)