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Fried Lizard · Joined: 18 Sep 2006 Posts: 1

I understand the SPU2 can play back ADPCM samples, but does it have any voice capabilities of its own? What kind of effects can it do in hardware?

Any input appreciated.

jbit · Posted: Mon Sep 18, 2006 9:06 am Post subject:

The SPU2 is basically two PS1 SPU cores.
Each core has 24 independent voices (so... 48 total).
Each voice has individual frequency, volume and sample controls.
Each sample can have its own loop points. (The SPU2 has 2MB of sound ram, about 1.5mb of that can be used for samples, the rest is for buffers)
Some voices can modulate the pitches of other voices.
Effects can be applied to each cores output. ps2sdks sound stuff is limited to basic reverb and echo, but the SPU2 may be able to do more.

Hope this helps