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Post by Deleted on Jan 9, 2011 13:35:19 GMT -5
Very cool, Bill! Will read those pdf's carefully!
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Post by kyrrinstoch on Feb 7, 2011 15:51:28 GMT -5
I don't mean to dash anyone's hopes, but I emailed Clavia directly about this several years ago. I was hoping that if they were able to release that information, we'd be able to build our own multi-sampled sounds and we'd end up with kind of an Open Source Community approach to growing/developing the sound library. Unfortunately, that was not going to be the case. What it boiled down to was that Clavia would not release the file format/compression algorithms because they were both proprietary and still in use with some of their products. However, they did say that if someone else (not under an NDA) were to reverse engineer the format, it was quite unlikely that they would pursue them legally.... Unfortunately, at least a half-dozen people (programmer types) have looked into it over the years and no one's gotten any further than figuring out how to reorder the samples within an existing sound file.
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Post by trommeltheo on Feb 16, 2011 0:21:20 GMT -5
Some ppl can´t see how to make money... tztz.. Would be so simple for clavia, to make a payable service on their webside, that works automatically. Like this: ON their page you can send your samples (single or multi) and by paying the price over paypal you´ll get back the Sample as DDrum4-Format.
Theo
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Post by trommeltheo on Feb 16, 2011 14:01:54 GMT -5
I´ve tried the Nord sample editor, load a snare wave at about 89 kb and generate a Nord-Sample-File with 12kb, but there was no chance to load it in the DDrumTool. I think they have modernized their compression-programm to more power and the protocoll was wrong for the DDrum..., so we must find a programmer who can hack thís, caus i want it!
Theo
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Post by lite on Feb 16, 2011 15:02:34 GMT -5
The ddrum4 sound files are MIDI system exclusive files. Does the nord lead tool export/save them as MIDI sys ex files?
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Post by trommeltheo on Feb 16, 2011 16:35:30 GMT -5
No, its NOrd-sample-file or so, but i think, that it is the same way of compressing, only that compressing rate is higher than DDrum. I guess that the last step is different, so you won´t get as a midi sysex.
So if Nord let Download their Sample-Editor, why can´t they give us the sample-Editor for DDrum? That´s not fair...
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Post by kyrrinstoch on Feb 16, 2011 18:02:37 GMT -5
Trommeltheo, perhaps an older version of the Nord Sample management tool (circa 1996) would work?
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Post by trommeltheo on Feb 17, 2011 11:50:55 GMT -5
maybe, but where could you get one to try? Theo
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Post by kyrrinstoch on Feb 18, 2011 6:25:04 GMT -5
I have no idea. I never thought that the software might have been cross-compatible.
Possibly check to see if there's a Nord keyboard forum/site out there somewhere?
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Post by trommeltheo on Feb 21, 2011 14:16:06 GMT -5
OK, i´ve tried it again at Clavia: ...Yes i know, but the question is: did they only bought the rights of the Name or the software behind it too. What we want is just making new samples for our Ddrum4, we needn´t the exactly algorythm, we just need the sample-editor nothing else :-) And that Editor needn´t have the name Ddrum, it could be told Clavia or Nord, if you understand me ;-). I think, if you would sell it, it would be sold for many hundred times, maybe thousand times... wouldn´t it be worth it?
and this is the Answer:
HiNoone here is gping to investigate what that business deal contained exactly so I am afraid your proposal will not work. And even if we knew that we were "allowed" from a legal point of view, it is totally impossible for a company to dig out software development tools from almost 8 years ago and start working again.
I am sorry but you need to find some other way to increase the sound capabilities of your drum system.
Best regards, Tomas Johansson Product Manager - Clavia DMI AB
And the last Chapter is really interesting, it´s like a charter for us to hack this compressing algorythem. So we need a programmer with old apple skill... so we should google for that and se, if we can find one... ;D Theo
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Post by astrosoniq on Feb 21, 2011 18:37:37 GMT -5
it would be awesome if somebody could pull this of...
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Post by trommeltheo on Feb 22, 2011 17:16:36 GMT -5
I´ve just ried to get in Contact with a Mac-Museum, maybe, someone can help us... Theo
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Post by trommeltheo on Feb 24, 2011 0:21:20 GMT -5
The Mac-Museum has no Idea.. And by asking Armadillo, if it would be a problem to hack the DDrum4 i´ve got this answer: Because of unknown legal arrangements, and the entire history of DD4 that precedes me, I am unable to advise you about obtaining DD4 sounds.So we should feel free to search somone who will hack us our baby! Theo
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Post by Deleted on Mar 5, 2011 3:43:26 GMT -5
I found a dd4 set up for auction on eBay, and the description contained this sentence (edited): The format is based on algorithms for analyzing redundancy with respect to the transient response of a percussive instrument.Seems to be from som official manual or sheet, however I found the info interesting. Not that I think it will solve the mystery, but at least provide som light on the subject
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Post by robthehammer on Mar 8, 2011 12:05:00 GMT -5
I'm really impressed by Bill's work! Some thoughts (trivial perhaps): The "10" close to HH-data rows in the pdf maybe indicates channel 10 as for the Hi-Hat? It might be so that the chipset itself is capable of addressing the other channels as well, but only ch 10 has a physical stereo connection soldered onto the board, thereby the need for specification. About the compression format. If I had the time and skills I would investigate the lossless formats available around the mid 90's... (if there were any) Even if it's always possible to switch over to 2box it would be cool if this old mystery will be solved at last. If nothing else just for the sport
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