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The Eternity Audio Tool is a community-developed utility primarily used for modding audio in Japanese-developed games, most notably Dragon Ball Xenoverse 2 and Street Fighter V. It allows users to open and edit .acb and .awb sound archive files to swap background music or character voice lines. Download & Setup
The only restrictions are a 5-minute maximum export length and a subtle "Trial Version" tone burst every 10 minutes (removed upon purchase).
Audio Swapping: Easily replace existing tracks with custom .wav or .hca files.
Users often turn to this tool for restoring old vinyl rips, creating ambient soundscapes, or mastering tracks with extreme precision. The "Eternity" in its name refers to its ability to handle long, sustained audio events (like drone music or field recordings) without introducing digital artifacts.
In the modding world, the Eternity Audio Tool is often the "narrator" of a player's custom experience.
Extract the Files: The tool usually comes in a .zip or .rar archive. Extract it to a dedicated folder on your PC.