https://www.segasaturno.com/portal/viewtopic.php?f=4&t=4145&p=28744#p28744
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Unknown Master
07 Octobre 2009, 05:43 PM

Re: Panzer Dragoon Tools
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[quote user="Wesker" post="28733"]
You need to encode audio in 8-bit format before you use the AviToSaturn (or AVI2CPK) application. That should solve the problem.[/quote]

Oh, God!!! Good news!! Thank you very much for the precious tip, Wesker. I'll do my tests and I'll post my results here later! 

[quote user="Wesker" post="28733"]
I know this because I have been doing several tests related to that with a certain game that also uses .cpk files. Unfortunately, although I could convert well all (or almost all) the video files to .cpk format, some other problem came with the game itself not recognising the .cpk videos at all (it skips them), and due to that, I had to leave the matter aside for a while. But aside to that, the .cpk video themselves were fine and sound played correctly through CPK viewer applications.[/quote]

If I can understand, the tool AviToSaturn only enconde the audio in 8-bit format. So, the coder (Earl Estratton, if I recall) probably should have implemented only 8-bit format. If the game skip them, probably it's because the audio must be in 16-bit format. So, many games needs to have the "hacked" file as original as possible. Trust in me, it's true.

Like I said before,  if I remove the audio of the *.avi file, put a subtitle on it, and convert it to *.CPK, the video can be reinserted perfectly into the ISO, but no audio. I tested in Yabause/SSF/Cassini/Girigiri emulators and the video runs perfectly (no audio). 

I have the AVItoSaturn source code. It would be interesting if we can change the source code to implement encoding of 16-bit format too. A good programmer can do this easily.

Wesker, thanks for all.


