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What is AIFF?

Audio Interchange File Format (AIFF) is Apple's uncompressed audio format, offering CD-quality sound for professional audio production.

What is VOX?

Dialogic VOX is a compressed speech audio format optimized for telephony systems, voice mail, and interactive voice response.

When Should You Use AIFF vs VOX?

Use AIFF When...

Reach for AIFF when your priority is professional audio production, music recording — its uncompromising quality ensures every detail is preserved.

Use VOX When...

Reach for VOX when your priority is telephone systems, voice mail, ivr systems — its efficient compression makes sharing fast and storage minimal.

AIFF vs VOX: Key Differences

  • •The core technical difference: AIFF relies on lossless compression whereas VOX uses lossy compression.
  • •Moving from AIFF (lossy) to VOX (lossy) means the output file will be significantly smaller — but at the cost of some visual fidelity.
  • •How transparency is handled: VOX does not support alpha channels — transparent areas in the source will become opaque.
  • •File sizes: AIFF files typically range 10MB per minute at CD quality and VOX files Very small, ideal for voice storage.
  • •Use case fit: AIFF targets professional audio production, music recording and VOX targets telephone systems, voice mail, ivr systems — your choice depends on which workflow stage you are serving.

Advantages of AIFF

  • ✓AIFF compresses data using lossless methods, keeping file sizes manageable for Professional audio production, music recording.
  • ✓Industry-wide support means AIFF files open anywhere — from legacy systems to the latest devices.
  • ✓Lossless quality makes AIFF the gold standard for archival and master copies.
  • ✓From professional software to open-source alternatives, AIFF works out of the box.

Advantages of VOX

  • ✓At its core, VOX relies on lossy encoding — a design choice that makes it perfect for Telephone systems, voice mail, IVR systems.
  • ✓You won't run into compatibility issues with VOX — it's a universal standard across platforms.
  • ✓File size management with VOX: aggressive compression with minimal visible quality loss.
  • ✓Every major application in the Telephone systems, voice mail, IVR systems space supports VOX natively.

Common Use Cases for AIFF to VOX Conversion

  • Language learning
  • Professional broadcasting
  • Video game audio assets
  • Film soundtracks
  • Radio commercials
  • Guided meditation recordings

Industry Applications

Voice-overAudio ArchivingGame AudioFilm Post-productionAudiobook PublishingMusic Streaming

Best Practices for AIFF to VOX Conversion

  • →Converting AIFF to VOX: VOX uses lossy compression — choose a higher bitrate (320 kbps) for near-CD quality
  • →Normalize audio levels before conversion for consistent playback volume
  • →VOX 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 AIFF and VOX formats in our detailed guide.

Troubleshooting AIFF to VOX Conversion

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

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Convert AIFF to VOX Online - Free & Fast

Convert AIFF files to VOX online for free. High-quality conversion with no registration required.

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About AIFF and VOX

AIFF

AIFF (AIFF audio) - Audio Interchange File Format, professional uncompressed audio. Best for professional audio production, music recording.

VOX

VOX (VOX audio) - Dialogic VOX, compressed speech audio for telephony. Ideal for telephone systems, voice mail, ivr systems.

Format Comparison

CompressionLossless → Lossy
TransparencyN/A
Use CaseConvert from professional audio production, music recording to telephone systems, voice mail, ivr systems
File Size~Very small, ideal for voice storage after conversion

FAQs

Is converting AIFF to VOX free?

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

How long does it take to convert AIFF to VOX?

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

What is VOX best used for?

VOX is ideal for telephone systems, voice mail, ivr systems. Dialogic VOX, compressed speech audio for telephony

Does converting AIFF to VOX lose quality?

Yes, converting AIFF to VOX 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 AIFF to VOX?

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

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