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What is AU?

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

What is TAK?

Tom's Lossless Audio Kompressor (TAK) is a high-performance lossless audio codec offering fast compression and excellent compression ratios.

When Should You Use AU vs TAK?

Use AU When...

When legacy unix audio, sun workstation sound matters most, AU delivers. Its pristine output guarantees professional-grade results every single time.

Use TAK When...

Go with TAK when lossless audio compression, high compression ratio is on your mind. Its lossless pipeline means what you put in is exactly what comes out.

AU vs TAK: Key Differences

  • •The core technical difference: AU relies on lossless compression whereas TAK uses lossless compression.
  • •Since both AU and TAK use lossless compression, the quality characteristics are comparable — differences in file size come down to how efficiently each format implements compression.
  • •Alpha channel support: TAK lacks transparency support.
  • •Storage footprint: Small to medium, similar to WAV for AU vs Slightly better than FLAC in most cases for TAK.
  • •AU is optimized for legacy unix audio, sun workstation sound while TAK is designed for lossless audio compression, high compression ratio — choose based on your specific workflow needs

Advantages of AU

  • ✓The lossless nature of AU means file sizes stay reasonable while handling Legacy Unix audio, Sun workstation sound efficiently.
  • ✓From mobile devices to enterprise servers, AU is recognized and supported everywhere.
  • ✓The trade-off for AU's perfection is larger files — but for archival work, it is worth every megabyte.
  • ✓AU is a first-class citizen in all major software ecosystems, from creative suites to development environments.

Advantages of TAK

  • ✓TAK uses lossless compression tailored for Lossless audio compression, high compression ratio.
  • ✓TAK is supported natively on virtually every device, browser, and operating system.
  • ✓TAK files are bit-for-bit perfect, preserving every pixel and sample for professional work.
  • ✓TAK integrates seamlessly with all major creative tools and workflows.

Common Use Cases for AU to TAK Conversion

  • Guided meditation recordings
  • Audiovisual installation
  • Music education
  • Conference call recordings
  • Field recording preservation
  • Music production and mixing

Industry Applications

Music StreamingLive SoundForensic AudioMedical TranscriptionRadio BroadcastingMusic Production

Best Practices for AU to TAK Conversion

  • →Converting AU to TAK: TAK preserves full audio fidelity — ideal for archiving master recordings
  • →Normalize audio levels before conversion for consistent playback volume
  • →TAK excels in professional audio workflows
  • →Always keep a backup of your original files before converting
  • →Choose the appropriate quality settings for your specific use case

Related Article

Video Compression Guide: Reduce File Size Without Losing Quality

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

Troubleshooting AU to TAK Conversion

  • !Clicks or pops in the converted TAK → sample rate conversion can introduce artifacts; use a clean multiple of the source rate
  • !TAK file has silence at the beginning or end → trim the source AU file before converting to avoid unnecessary padding
  • !Stereo image collapsed after converting AU to TAK → verify that the converter preserves channel mapping for multichannel audio
  • !The converted TAK clips or distorts at peaks → reduce the gain or apply a limiter before conversion to prevent hard clipping

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Convert AU to TAK Online - Free & Fast

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

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.au,.AU (max 100MB)

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About AU and TAK

AU

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

TAK

TAK (TAK audio) - Tom's lossless Audio Kompressor, efficient lossless audio codec. Ideal for lossless audio compression, high compression ratio.

Format Comparison

CompressionLossless → Lossless
TransparencySupported
Use CaseConvert from legacy unix audio, sun workstation sound to lossless audio compression, high compression ratio
File Size~Slightly better than FLAC in most cases after conversion

FAQs

Is converting AU to TAK free?

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

How long does it take to convert AU to TAK?

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

What is TAK best used for?

TAK is ideal for lossless audio compression, high compression ratio. Tom's lossless Audio Kompressor, efficient lossless audio codec

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

File size after AU to TAK conversion depends on the content complexity and quality settings. Both formats use similar compression approaches so sizes are comparable.

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