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What is VOB?

DVD Video Object (VOB) is the container format for DVD-Video discs, containing MPEG-2 video, audio, and subtitles.

What is MPEG?

MPEG-1/2 is a standard video format used for Video CD (VCD) and DVD video, supporting high-quality standard-definition video.

When Should You Use VOB vs MPEG?

Use VOB When...

Reach for VOB when your priority is dvd movies, legacy video archives — its efficient compression makes sharing fast and storage minimal.

Use MPEG When...

Reach for MPEG when your priority is legacy video, vcd/dvd authoring — its efficient compression makes sharing fast and storage minimal.

VOB vs MPEG: Key Differences

  • •VOB uses lossy compression while MPEG uses lossy compression — both take the same approach to file size management.
  • •Since both VOB and MPEG use lossy compression, the quality characteristics are comparable — differences in file size come down to how efficiently each format implements compression.
  • •Alpha channel support: MPEG lacks transparency support.
  • •Storage footprint: 1-2GB per hour of DVD video for VOB vs Large, 10MB/min for DVD quality for MPEG.
  • •VOB is optimized for dvd movies, legacy video archives while MPEG is designed for legacy video, vcd/dvd authoring — choose based on your specific workflow needs

Advantages of VOB

  • ✓VOB applies lossy compression specifically calibrated for DVD movies, legacy video archives.
  • ✓VOB enjoys broad native support across operating systems, browsers, and creative tools alike.
  • ✓VOB delivers impressive compression ratios, shrinking files dramatically while keeping visual quality high.
  • ✓You will find VOB support built into virtually every tool that handles DVD movies, legacy video archives — no plugins or converters needed.

Advantages of MPEG

  • ✓MPEG applies lossy compression specifically calibrated for Legacy video, VCD/DVD authoring.
  • ✓MPEG enjoys broad native support across operating systems, browsers, and creative tools alike.
  • ✓MPEG delivers impressive compression ratios, shrinking files dramatically while keeping visual quality high.
  • ✓You will find MPEG support built into virtually every tool that handles Legacy video, VCD/DVD authoring — no plugins or converters needed.

Common Use Cases for VOB to MPEG Conversion

  • Broadcast production
  • Video game cutscenes
  • Product demonstrations
  • Webinar recordings
  • Animated explainers
  • Video resumes

Industry Applications

Video SurveillanceGamingLive EventsVideo ConferencingDigital SignageSports Analytics

Best Practices for VOB to MPEG Conversion

  • →Converting VOB to MPEG: match the output resolution and bitrate to your target platform's requirements
  • →MPEG provides broad compatibility across devices and platforms
  • →Use appropriate bitrate for the balance of quality and file size
  • →MPEG is a lossy format, so expect some quality loss at higher compression ratios
  • →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 VOB and MPEG formats in our detailed guide.

Troubleshooting VOB to MPEG Conversion

  • !MPEG won't play on target device → check codec compatibility (H.264 has broadest support)
  • !Audio out of sync after VOB to MPEG conversion → try re-muxing with a different container format
  • !MPEG quality is too low → increase the bitrate; for 1080p video, 8-15 Mbps is recommended
  • !File size increased converting VOB to MPEG → lossless or higher-bitrate outputs naturally produce larger files

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About VOB and MPEG

VOB

VOB (DVD VOB) - DVD Video Object, MPEG-2 format for DVD discs. Best for dvd movies, legacy video archives.

MPEG

MPEG (MPEG videos) - MPEG-1/2 video, standard for VCD and DVD video. Ideal for legacy video, vcd/dvd authoring.

Format Comparison

CompressionLossy → Lossy
TransparencyN/A
Use CaseConvert from dvd movies, legacy video archives to legacy video, vcd/dvd authoring
File Size~Large, 10MB/min for DVD quality after conversion

FAQs

Is converting VOB to MPEG free?

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

How long does it take to convert VOB to MPEG?

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

What is MPEG best used for?

MPEG is ideal for legacy video, vcd/dvd authoring. MPEG-1/2 video, standard for VCD and DVD video

What file size should I expect after converting VOB to MPEG?

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

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