To understand the tool, you first have to understand Skyrim’s audio engine. Skyrim uses a proprietary audio format known as (a variant of WMA) for its music and sound effects. While great for compression and performance, it is notoriously difficult for modders to work with because standard audio players and editors (like Audacity) cannot read or write .xwm files natively.

“I spent three weeks hunting for a clean Eternity Audio Tool download. Finally got the 1.5 legacy version. The infinite compressor is unlike anything else – it turned a 4-second organ stab into a 3-minute evolving pad. Magical.” – , Reddit

If the official site is defunct (common for niche tools), check: