Convert AC3 to AU

Convert AC3 files to AU format online for free. No upload required, 100% private.

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AC3AUQuality Note

Converting from AC3 (lossy) to AU (Uncompressed) will increase file size but will NOT improve audio quality. The quality lost during the original compression cannot be recovered.

About AC3

AC3

Dolby Digital Audio Codec 3

AC3 (Dolby Digital) is a surround sound audio format commonly used in DVDs, Blu-rays, and digital television broadcasting.

Extension
.ac3
Developed By
Dolby Laboratories
Released
1991
Compression
Lossy

Typical Use Cases

DVD audioBlu-rayDigital TVHome theater

Pros

  • • Surround sound support
  • • Industry standard for video
  • • Good compression

Cons

  • • Lossy compression
  • • Requires licensing
  • • Not for music distribution

About AU

AU

Sun Microsystems Audio

AU is a simple audio format originally developed by Sun Microsystems for Unix systems. It supports both compressed and uncompressed audio.

Extension
.au
Developed By
Sun Microsystems
Released
1980s
Compression
Uncompressed

Typical Use Cases

Unix/Linux systemsLegacy applicationsSimple audio storage

Pros

  • • Simple format
  • • Unix native
  • • Lightweight

Cons

  • • Outdated
  • • Limited features
  • • Poor cross-platform support