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Dolphin, the GameCube and Wii emulator - Forums › Game Modifications › Cheats, Hacks, & Game Patches v
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GameCube AFC Encoder?
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GameCube AFC Encoder?
09-07-2020, 01:46 AM
#1
kingjinxy Offline
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Hello,

I'm wondering if anybody has created an AFC encoder for the audio of games like Twilight Princess or Wind Waker. Everything that I've found points to decoders only, which, while helpful, are not really what I need. I want to replace some of the audio in Wind Waker and Twilight Princess with custom music. I tried putting Twilight Princess music into Wind Waker by simply renaming a file, but all I got was horrible static. Every GameCube audio encoder that I've tried has given me static, so I'm still looking for an AFC encoder.

Please point me in the right direction if you know anything.
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09-07-2020, 05:02 AM
#2
mbc07 Offline
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Music on Zelda TP and WW are sequenced, there's one or more sound bank files and several sequence files, which describes the notes and instruments that should play (similarly to a MIDI file on PC), then the game "renders" the music in real time. Due to that, you can't simply drop one sequence file from one game to another because the sound banks will be mismatched. As you noticed, the format was only partially reverse engineered, last time I checked it was possible to get the samples from the sound bank and nothing more...
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09-07-2020, 05:11 AM
#3
kingjinxy Offline
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(09-07-2020, 05:02 AM)mbc07 Wrote: Music on Zelda TP and WW are sequenced, there's one or more sound bank files and several sequence files, which describes the notes and instruments that should play (similarly to a MIDI file on PC), then the game "renders" the music in real time. Due to that, you can't simply drop one sequence file from one game to another because the sound banks will be mismatched. As you noticed, the format was only partially reverse engineered, last time I checked it was possible to get the samples from the sound bank and nothing more...

I know that much of the music is sequenced, but there are real streams in both games. I assume that they were created from recordings of sequences, but they are definitely not sequenced, as I can play them back with vgmstream in Foobar2000. Look in /Audiores/Stream to see the files that I'm talking about.
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09-07-2020, 02:26 PM
#4
mbc07 Offline
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The streamed audio files are used only during some of the cutscenes and they're encoded slightly different between WW and TP, so you also can't just drop streams from one game to another and expect it to work. AFAIK, a "public" AFC encoder doesn't exist either ¯\_(ツ)_/¯
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