Convert AU to AC3
Convert AU files to AC3 format online for free. No upload required, 100% private.
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AUAC3Size Reduction
Converting from AU (Uncompressed) to AC3 (lossy) will significantly reduce file size. Some audio quality will be lost, but the difference is often imperceptible at higher bitrates.
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
UncompressedTypical Use Cases
Unix/Linux systemsLegacy applicationsSimple audio storage
Pros
- • Simple format
- • Unix native
- • Lightweight
Cons
- • Outdated
- • Limited features
- • Poor cross-platform support
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
LossyTypical 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