SPU: Difference between revisions

Latest revision as of 10:34, 18 April 2024

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.

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 Sound Processing Unit of the PlayStation.
-* Supports [[Adaptive differential pulse-code modulation|ADPCM]] sources with up to 24 channels
+* Supports ADPCM sources with up to 24 channels
-* [[Sampling rate]] of up to 44.1&nbsp;[[Kilohertz|kHz]]
+* Sampling rate of up to 44.1&nbsp;kHz
-* 512&nbsp;[[Kibibytes|KB]] RAM
+* 512&nbsp;KB RAM
 * PCM audio source
 * Supports MIDI sequencing
 * Digital effects include:
-** [[Pitch bend|Pitch modulation]]
+** Pitch modulation
-** [[Attack-decay-sustain-release envelope|Envelope]]
+** ADSR-Envelope
-** [[Loop (music)|Loop]]ing
+** Looping
-** [[Reverberation|Digital reverb]]
+** Digital reverb
 All versions except CXD2941R require 4 MBits / 512 KBytes of external DRAM. CXD2941R has this RAM internally.
@@ Line 17: / Line 17: @@
 == Revisions ==
 === Dedicated SPU ===
-* CXD2922Q (PU-7, PU-8 (only the first revision of PU-8, PU8-11)
+* 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 ===
+=== DSP + CD-decoder + CD-decoder'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 ===
+=== DSP + CD-decoder + CD-decoder's RAM + SPU + SPU's RAM + audio-DAC ===
 * CXD2941R (PM-41-71, PM-41-82)