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Convert AU to MP2

Convert AU to MP2 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 Audio

Simple 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  • Outdated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

MP2

MPEG Audio Layer II

Audio compression format predating MP3, still widely used in broadcasting (DAB, DVB) and professional audio. Offers lower latency and better quality at higher bitrates than MP3.

Best for

Digital broadcasting (DAB/DVB)Professional broadcastLegacy audio systems

Advantages

  • + Low latency
  • + Broadcast standard
  • + Good at high bitrates
  • + Robust error handling

Limitations

  • Larger than MP3 at low bitrates
  • Outdated for consumer use
  • Limited device support