At9tool.exe Work -

To convert an existing game audio file into a playable .wav format, use the -d (decode) flag: at9tool.exe -d input.at9 output.wav Example: at9tool.exe -d bgm_01.at9 music.wav 2. Encoding (.wav to .at9)

Decoding: Converting .at9 files back into playable .wav files. at9tool.exe