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Convert AU to AC3
Convert AU to AC3 format — 100% browser-based, no upload required.
2 cores · low tier
Drop a file here or click to select
Format will be auto-detected
About these formats
Source
AU
Sun/NeXT AudioSimple audio format from Sun Microsystems. Originally used in Unix systems and Java audio. Typically stores µ-law compressed audio.
Best for
Unix/Java audioLegacy systemsSimple audio storage
Advantages
- + Simple format
- + Java support
- + Compact for telephony
Limitations
- − Outdated
- − Low quality
- − Limited use
Target
AC3
Dolby Digital (AC-3)Multi-channel audio codec by Dolby. Standard surround sound format used in DVDs, Blu-rays, and digital television.
Best for
Surround soundDVD/Blu-ray audioHome theaterBroadcasting
Advantages
- + 5.1 surround
- + Industry standard
- + Good compression
Limitations
- − Lossy
- − Licensing costs
- − Surpassed by newer codecs