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Joined: Jun 2010
Posts: 2
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Member
Joined: Jun 2010
Posts: 2 |
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,
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Joined: Mar 2001
Posts: 17,258 Likes: 267
Very Senior Member
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Very Senior Member
Joined: Mar 2001
Posts: 17,258 Likes: 267 |
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.
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Joined: May 2009
Posts: 2,225 Likes: 387
Very Senior Member
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Very Senior Member
Joined: May 2009
Posts: 2,225 Likes: 387 |
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.
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Joined: Jun 2010
Posts: 2
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Member
Joined: Jun 2010
Posts: 2 |
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
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Joined: Nov 2003
Posts: 459
Senior Member
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Senior Member
Joined: Nov 2003
Posts: 459 |
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.
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Joined: Nov 2003
Posts: 459
Senior Member
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Senior Member
Joined: Nov 2003
Posts: 459 |
Ehh, you're right. Doesn't look like Sony's ADPCM in any way. 
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Joined: Mar 2001
Posts: 17,258 Likes: 267
Very Senior Member
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Very Senior Member
Joined: Mar 2001
Posts: 17,258 Likes: 267 |
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.
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Joined: Jun 2001
Posts: 161
Senior Member
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Senior Member
Joined: Jun 2001
Posts: 161 |
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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Joined: Mar 2001
Posts: 17,258 Likes: 267
Very Senior Member
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Very Senior Member
Joined: Mar 2001
Posts: 17,258 Likes: 267 |
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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Joined: May 2009
Posts: 2,225 Likes: 387
Very Senior Member
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Very Senior Member
Joined: May 2009
Posts: 2,225 Likes: 387 |
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. 
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