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Monster Hunter 4 Ultimate *.mca by Xane at 4:20 AM EDT on May 31, 2015

With the most recent version of vgmstream, MonHun4G/U's *.mca files can be played back but the sound's crackling and bitcrushed.

Here's a few sample files:
https://mega.co.nz/#!Rw0GTIYR!R3Fz1eMEsQbgTOC3MLRAAMysZcPlVKY1sQE3R-_zugo

by soneek at 5:59 PM EDT on May 31, 2015

These are type 5 mca, and all the other stuff we've seen so far is type 3. The only thing is getting proper coefficient offsets for type 5, and it's not always the same as with type 3. I checked it out, and I am lost. I can at least give the proper offsets I found manually.

bgm_em011:
left: 0x2c4
right: 0x2f4

bgm_em019: (coincidentally works right now)
left: 0x3a0
right: 0x3d0

bgm_em028:
left: 0x4f4
right: 0x524

So, channel DSP info is still 0x30 bytes apart. With type 5 mca, the start offset is at 0x2c, 4 bytes.

by PRGN at 2:39 AM EDT on June 19, 2015

When changing to 20bytes per row view, it looks as if the part before the data starts, contains some sort of sequence (VBR changes maybe?) which would screw up the song if it's not synced with the data properly.

[edit: nvm, i see it was also present in mca04]

edited 7:52 AM EDT June 19, 2015

by wiibomb at 11:25 AM EDT on July 8, 2015

with which version did you manage to open the *.MCA files?

by soneek at 11:29 AM EDT on July 8, 2015

Can anyone provide a few samples of type 4 MCA?

by wiibomb at 11:42 AM EDT on July 8, 2015

@soneek
I could upload all the *.MCAs inside MH4U if you want them, but I really don't know which are which

by soneek at 11:56 AM EDT on July 8, 2015

@wiibomb: That would be great. I can check them out. The entire sound folder would be great if possible.

by wiibomb at 12:09 PM EDT on July 8, 2015

@soneek
It's about 874MB, I'll post a reply when I have them uploaded

by wiibomb at 12:46 PM EDT on July 8, 2015

ok here it is:

https://mega.nz/#!c54jRLza!sPvqBE7hWo3fJTDx9MdTnCeWt2DTdZfy0jms6Oj8nQg

if you need anything else, let me know.

by wiibomb at 5:14 PM EDT on July 8, 2015

after finding how this MCA files can be decrypted (pcm16fix and its needed plls) I could finally hear how some files behave with the method

for most files I have tried, there's a lot of noise as Xane said, but for some others, like bgm_Mid01.mca (seltas theme), it works flawlessly, don't know why...

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