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NHL 2K11 (Wii finally extracted) by djneo11 at 9:47 AM EDT on July 27, 2017
Hi guys,
after more than 2 years desperately looking for ways how to extract the ISO and get to the actual files, Louigi was that kind, wrote the script and make it happened in a few days!

What we discovered is that there are not exactly files what we expected unfortunately. There is no DDS, PNG...etc or known audio files or any other "game" extensions that I could work with.

Just 2 folders: "0A" and "0B"

I found that "0B" is full of audio, but just as ".dat"
I tried to import those files as raw data in Audiacity. I can hear the game files somehow, but the quality is just very poor. Voices full of distorted noise in wrong speed.
Here are the settings in Audiacity that gives me best results:

edit: Photobucket is not working, so I made a short video with the screens, so please take a look below...

Louigi already suggested that it might be ADPCM codec.

THE VIDEO with screens:


I'm looking very forward for all your suggestions guys. Any ideas how to make those files editable is greatly appreciated!

Thank you very much.
by SubDrag at 6:41 PM EDT on July 29, 2017
If you upload some sample audio files, can see if it is recognizable.
by djneo11 at 7:21 PM EDT on July 29, 2017
Awesome man, thank you!
I'll do that as soon as I get home from work, which will be tomorrow morning.

Thanks again!
by djneo11 at 6:20 PM EDT on July 31, 2017
Hi mate, I finally get to the computer!

So here's the link on one of the files:

Please let me know if you need anything else. Thanks again, it means a lot for for me.

edited 6:21 PM EDT July 31, 2017
by SubDrag at 6:47 PM EDT on August 1, 2017
Does seem to be adpcm. I think 22050 hz but not sure about it. Unfortunately the form of adpcm seems to be not the exact algorithm used by audacity.

Is it possible there is another file indexing this file?

We should try sox, it supports more adpcm formats.

edited 7:05 PM EDT August 1, 2017
by djneo11 at 3:11 AM EDT on August 2, 2017

Ya, I tried the Audiocity too. The quality is still pretty bad unfortunately.

Sorry for noob question, but what do you mean by "another file indexing this file"?

Thanks for the help!
by SubDrag at 10:46 AM EDT on August 2, 2017
A file that has offsets into that file to know where each sound is located.

Sox has more adpcm formats, we should see if it can spit out anything sounding better.
by djneo11 at 4:40 PM EDT on August 2, 2017

ah so,
what if I send you the link for the extracted files?
Do you think you could recognize this indexing file?

I'll definitely test the Sox you suggested. I'm guessing it's some audio editing software, correct?

by SubDrag at 5:27 PM EDT on August 2, 2017
Not sure but maybe.

This is sox.

Different types supported (basically just call file a different extension to get to show it):

sox -r 22050 in.raw -b 16 out.wav

That said, I didn't have much luck. It might be a slight variation of adpcm known.

edited 5:53 PM EDT August 2, 2017

edited 5:54 PM EDT August 2, 2017
by bnnm at 6:20 PM EDT on August 3, 2017
The file has several DSP (Wii ADPCM) subfiles.
Those subfiles lack any header info (sample rate, channels, etc).

Some other file must have indexes pointing to each subfile, and maybe the headers.

But more importantly Wii ADPCM *needs* "coefs", usually found in the header, or maybe in the game exe.
Those need to be found to make them listenable.

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