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

What is AU?

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

What is 3GA?

3GA (audio/3gpp) uses lossy compression optimized for mobile voice recordings, phone memos. 3GPP Audio, compressed audio from mobile phone recordings

When Should You Use AU vs 3GA?

Use AU When...

If legacy unix audio, sun workstation sound is your end goal, AU is the smart pick. Its exacting standards ensure your output matches your input at every stage.

Use 3GA When...

Reach for 3GA when your priority is mobile voice recordings, phone memos — its efficient compression makes sharing fast and storage minimal.

AU vs 3GA: Key Differences

  • •The core technical difference: AU relies on lossless compression whereas 3GA uses lossy compression.
  • •Moving from AU (lossy) to 3GA (lossy) means the output file will be significantly smaller — but at the cost of some visual fidelity.
  • •Transparency: Not supported in 3GA — converting from AU will merge transparency into a solid background
  • •File sizes: AU files typically range Small to medium, similar to WAV and 3GA files N/A.
  • •AU is optimized for legacy unix audio, sun workstation sound while 3GA is designed for mobile voice recordings, phone memos — choose based on your specific workflow needs

Advantages of AU

  • ✓AU uses lossless compression tailored for Legacy Unix audio, Sun workstation sound.
  • ✓AU is supported natively on virtually every device, browser, and operating system.
  • ✓AU files are bit-for-bit perfect, preserving every pixel and sample for professional work.
  • ✓AU integrates seamlessly with all major creative tools and workflows.

Advantages of 3GA

  • ✓3GA applies lossy compression specifically calibrated for Mobile voice recordings, phone memos.
  • ✓3GA enjoys broad native support across operating systems, browsers, and creative tools alike.
  • ✓3GA delivers impressive compression ratios, shrinking files dramatically while keeping visual quality high.
  • ✓You will find 3GA support built into virtually every tool that handles Mobile voice recordings, phone memos — no plugins or converters needed.

Common Use Cases for AU to 3GA Conversion

  • Audiovisual installation
  • Music education
  • Conference call recordings
  • Field recording preservation
  • Music production and mixing
  • Podcast distribution

Industry Applications

Live SoundForensic AudioMedical TranscriptionRadio BroadcastingMusic ProductionPodcasting

Best Practices for AU to 3GA Conversion

  • →For AU to 3GA: 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
  • →3GA 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 AU and 3GA formats in our detailed guide.

Troubleshooting AU to 3GA Conversion

  • !3GA audio quality degraded vs AU → use a higher bitrate (at least 256 kbps for music)
  • !3GA file won't play on your device → check format compatibility with your player or platform
  • !Metadata (artist, album, title) lost after AU to 3GA conversion → some formats like 3GA may not support ID3 tags
  • !Volume changed after converting AU to 3GA → normalize audio levels before conversion for consistent playback

Related Audio Converters

All Audio Formats

View all Audio converters →

More Audio tools

Convert to 3GA →Convert from AU →

Convert AU to 3GA Online - Free & Fast

Convert AU files to 3GA online for free. High-quality conversion with no registration required.

Audio Converter

Upload or enter a URL to convert AU to 3GA instantly

Click to upload or drag & drop AU file

or paste from clipboard

.au,.AU (max 100MB)

SSL EncryptedAuto-deleted in 1 hourProcessed securelyNo registration needed

Verifying security check…

About AU and 3GA

AU

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

3GA

3GA (3GA) - 3GPP Audio, compressed audio from mobile phone recordings. Ideal for mobile voice recordings, phone memos.

Format Comparison

CompressionLossless → Lossy
TransparencyN/A
Use CaseConvert from legacy unix audio, sun workstation sound to mobile voice recordings, phone memos
File Size~Standard file sizes after conversion

FAQs

Is converting AU to 3GA free?

Yes, GoConvertFile offers free conversion of AU to 3GA for files up to 100MB. No registration required.

How long does it take to convert AU to 3GA?

Most AU to 3GA conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.

What is 3GA best used for?

3GA is ideal for mobile voice recordings, phone memos. 3GPP Audio, compressed audio from mobile phone recordings

Does converting AU to 3GA lose quality?

Yes, converting AU to 3GA uses lossy compression, which reduces file size by discarding some visual data. Set quality to 85-95% for a good balance of quality and file size.

What file size should I expect after converting AU to 3GA?

3GA files are typically 50-80% smaller than AU files because 3GA uses efficient lossy compression. The exact reduction depends on quality settings.

Related Tools

MP3 to AU
Convert MP3 to AU
MP3 to 3GA
Convert MP3 to 3GA
WAV to AU
Convert WAV to AU
WAV to 3GA
Convert WAV to 3GA
View all audio converter converters
Tune output for this audio conversion
80%