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What is VOC?

Creative Voice (VOC) is a legacy audio format developed by Creative Labs for their Sound Blaster sound cards.

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 VOC vs VOX?

Use VOC When...

Reach for VOC when your priority is legacy dos audio, retro computing — 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.

VOC vs VOX: Key Differences

  • •VOC and VOX diverge on compression: lossless compression for the source, lossy compression for the target.
  • •Converting from VOC to VOX changes compression type: lossy source becomes smaller but with some quality tradeoff.
  • •Transparency: N/A — converting from VOC will merge transparency into a solid background
  • •File sizes: VOC files typically range Similar to WAV for PCM audio and VOX files Very small, ideal for voice storage.
  • •Primary audience: VOC is built for legacy dos audio, retro computing scenarios, while VOX focuses on telephone systems, voice mail, ivr systems — pick the format that matches your output requirement.

Advantages of VOC

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

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 VOC to VOX Conversion

  • Audio books
  • Sound design
  • Language learning
  • Professional broadcasting
  • Video game audio assets
  • Film soundtracks

Industry Applications

Language LearningAccessibilityVoice-overAudio ArchivingGame AudioFilm Post-production

Best Practices for VOC to VOX Conversion

  • →For VOC to VOX: 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
  • →VOX 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 VOC and VOX formats in our detailed guide.

Troubleshooting VOC to VOX Conversion

  • !VOX audio quality degraded vs VOC → 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 VOC to VOX conversion → some formats like VOX may not support ID3 tags
  • !Volume changed after converting VOC to VOX → normalize audio levels before conversion for consistent playback

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About VOC and VOX

VOC

VOC (VOC audio) - Creative Voice, legacy sound card audio format. Best for legacy dos audio, retro computing.

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 legacy dos audio, retro computing to telephone systems, voice mail, ivr systems
File Size~Very small, ideal for voice storage after conversion

FAQs

Is converting VOC to VOX free?

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

How long does it take to convert VOC to VOX?

Most VOC 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 VOC to VOX lose quality?

Yes, converting VOC 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 VOC to VOX?

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

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