1. Home
  2. Audio Converter
  3. Convert OGG to AU

What is OGG?

OGG (Ogg Vorbis) is a free, open-source audio format that offers competitive quality to proprietary formats like MP3 and AAC.

What is AU?

Sun AU is the native audio format for Sun Microsystems workstations, using simple mu-law encoding or uncompressed PCM.

When Should You Use OGG vs AU?

Use OGG When...

OGG shines in open-source audio, gaming, streaming scenarios. The compact file sizes make it ideal for web distribution and daily workflow.

Use AU When...

Choose AU for legacy unix audio, sun workstation sound. It delivers archival-grade quality that professionals rely on for critical work.

OGG vs AU: Key Differences

  • •OGG and AU diverge on compression: lossy compression for the source, lossless compression for the target.
  • •The switch from lossy compression to lossless compression means you preserve full quality at the expense of larger file sizes.
  • •Transparency: N/A
  • •Storage footprint: Comparable to MP3 at equivalent quality for OGG vs Small to medium, similar to WAV for AU.
  • •OGG is optimized for open-source audio, gaming, streaming while AU is designed for legacy unix audio, sun workstation sound — choose based on your specific workflow needs

Advantages of OGG

  • ✓The lossy nature of OGG means file sizes stay reasonable while handling Open-source audio, gaming, streaming efficiently.
  • ✓From mobile devices to enterprise servers, OGG is recognized and supported everywhere.
  • ✓Storage and bandwidth costs drop significantly when using OGG thanks to its efficient compression.
  • ✓OGG is a first-class citizen in all major software ecosystems, from creative suites to development environments.

Advantages of AU

  • ✓AU applies lossless compression specifically calibrated for Legacy Unix audio, Sun workstation sound.
  • ✓AU enjoys broad native support across operating systems, browsers, and creative tools alike.
  • ✓AU guarantees every bit of the original data survives — no approximations, no shortcuts.
  • ✓You will find AU support built into virtually every tool that handles Legacy Unix audio, Sun workstation sound — no plugins or converters needed.

Common Use Cases for OGG to AU Conversion

  • Conference call recordings
  • Field recording preservation
  • Music production and mixing
  • Podcast distribution
  • Voice recordings
  • Streaming services

Industry Applications

Medical TranscriptionRadio BroadcastingMusic ProductionPodcastingBroadcastingAudio Engineering

Best Practices for OGG to AU Conversion

  • →For OGG to AU: match the sample rate and bit depth to your delivery platform — 44.1 kHz / 16-bit is the standard for music
  • →Apply loudness normalization (LUFS) before conversion to ensure consistent volume across your audio library
  • →AU prioritizes quality — ensure your storage can accommodate the resulting file sizes
  • →Check that metadata tags (artist, album, track number) survive the conversion
  • →Convert a short segment first to verify quality at your chosen bitrate
  • →Keep a lossless master copy in case you need to re-encode for a different platform

Related Article

Video Compression Guide: Reduce File Size Without Losing Quality

Learn more about OGG and AU formats in our detailed guide.

Troubleshooting OGG to AU Conversion

  • !AU audio quality degraded vs OGG → use a higher bitrate (at least 256 kbps for music)
  • !AU file won't play on your device → check format compatibility with your player or platform
  • !Metadata (artist, album, title) lost after OGG to AU conversion → some formats like AU may not support ID3 tags
  • !Volume changed after converting OGG to AU → normalize audio levels before conversion for consistent playback

Related Audio Converters

Convert OGG to Other Formats

OGG → MP3
Convert OGG to MP3
OGG → MP4
Convert OGG to MP4

All Audio Formats

View all Audio converters →

More Audio tools

Convert to AU →Convert from OGG →

Convert OGG to AU Online - Free & Fast

Convert OGG files to AU online for free. High-quality conversion with no registration required.

Audio Converter

Upload or enter a URL to convert OGG to AU instantly

Click to upload or drag & drop OGG file

or paste from clipboard

.ogg,.OGG (max 100MB)

SSL EncryptedAuto-deleted in 1 hourProcessed securelyNo registration needed

Verifying security check…

About OGG and AU

OGG

OGG (OGG audio) - Ogg Vorbis, open-source lossy audio format. Best for open-source audio, gaming, streaming.

AU

AU (AU audio) - Sun AU, legacy Unix audio format for Sun workstations. Ideal for legacy unix audio, sun workstation sound.

Format Comparison

CompressionLossy → Lossless
TransparencySupported
Use CaseConvert from open-source audio, gaming, streaming to legacy unix audio, sun workstation sound
File Size~Small to medium, similar to WAV after conversion

FAQs

Is converting OGG to AU free?

Yes, GoConvertFile offers free conversion of OGG to AU for files up to 100MB. No registration required.

How long does it take to convert OGG to AU?

Most OGG to AU conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.

What is AU best used for?

AU is ideal for legacy unix audio, sun workstation sound. Sun AU, legacy Unix audio format for Sun workstations

Does converting OGG to AU lose quality?

No, converting OGG to AU does not cause additional quality loss — AU uses lossless compression. However, any artifacts already present in the original OGG file will persist in the AU output.

What file size should I expect after converting OGG to AU?

AU files are typically 2-5x larger than equivalent OGG files because AU preserves all pixel data. This is expected and necessary for lossless quality.

Related Tools

MP3 to OGG
Convert MP3 to OGG
MP3 to AU
Convert MP3 to AU
WAV to OGG
Convert WAV to OGG
WAV to AU
Convert WAV to AU
View all audio converter converters
Tune output for this audio conversion
80%