What is a format reduces an audio file to about one-tenth of its original size while preserving much of the?

A format that reduces an audio file to about one-tenth of its original size while preserving much of the sound quality is the MP3 format. MP3 uses lossy compression techniques to remove inaudible frequencies and other audio data that the human ear may not perceive, resulting in a significantly smaller file size. This makes it ideal for digital music storage and streaming while maintaining acceptable audio fidelity. Other similar formats include AAC and OGG Vorbis, which also offer efficient compression.