ATRAC9 audio is almost always contained within an container. This can be confusing because the file extension often remains .wav or is changed to .at9 .
For specific games like Persona 4 Golden , you can use community scripts like AutoAT9Tools on GitHub to handle conversions automatically. at9tool.exe
The basic syntax follows standard CLI conventions: ATRAC9 audio is almost always contained within an container
Ensure your .wav file is set to a 44100 Hz project rate in a tool like Audacity for the best compatibility. Command: at9tool.exe -e input.wav output.at9 Pro Tips for Modding at9tool.exe