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R. Belmont #62562 06/06/10 04:08 PM
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Hi,

I am curious if those Dance Dance Revolution arcade musics can be played in M1/ will be supported in M1? I am particularly looking for the korean version of the DDR 3rd Mix...

Thanks for answering.

Best Regards,





jch02140 #62564 06/06/10 05:13 PM
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Unfortunately the DDR 3rd Mix and later (the "573 Digital" board) use music compressed/encrypted in an unknown way. Soundtrack CDs for DDR games are generally easy to track down though.

R. Belmont #62594 06/07/10 01:33 PM
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Originally Posted by R. Belmont
Soundtrack CDs for DDR games are generally easy to track down though.

And will likely be higher-quality rips than whatever compression Konami used in the games themselves.

Just Desserts #62602 06/07/10 03:26 PM
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True... However, the Korean songs are the only songs not included in the Original Soundtrack (I own all the series OST) and is arcade exclusive. Hence I am trying to see if there is a way to get the music off from the arcade data instead... :P



R. Belmont #62697 06/11/10 02:51 PM
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Originally Posted by R. Belmont
Unfortunately the DDR 3rd Mix and later (the "573 Digital" board) use music compressed/encrypted in an unknown way.

You're making me curious. You wouldn't like me when I'm curious.

Knurek #62841 06/16/10 12:25 PM
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Ehh, you're right. Doesn't look like Sony's ADPCM in any way. frown

Knurek #62842 06/16/10 12:48 PM
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The digital board involves 2 large FPGAs and an MPEG decoder with reprogrammable microcode that can be made to read anything. So we're assuming it's some sort of encrypted or otherwise bitstream-incompatible MPEG-1 audio thing.

R. Belmont #62868 06/17/10 11:39 AM
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Are these FPGAs and MPEG decoder ASIC targets for decapping?
Or are there other ways to figure things out?
Have there ever been any bootlegs/hacks for DDR digital? (or are the bootlegs all either DDR analog or DDR digital with custom sound boards)

Although I would imagine that proper emulation of these latter DDR games might invite the wrath of Konami :P

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The games download a large binary blob at boot. We're not clear if that's FPGA microcode, MPEG decoder microcode, or both, but clearly there's very little ROM involved so decapping probably wouldn't be necessary.

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Originally Posted by Jonathan Wilson
Have there ever been any bootlegs/hacks for DDR digital?

Oh man, people have hacked the crap out of DDR digital machines. ...They've just added new game modes and stuff, not new songs. laugh

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