What is VOB?

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

What is OGV?

Ogg Video (OGV) is an open-source video container for the Theora video codec, designed for web video without licensing restrictions.

When Should You Use VOB vs OGV?

VOB vs OGV: Key Differences

• •VOB and OGV diverge on compression: lossy compression for the source, lossy compression for the target.
• •Both formats share lossy compression, so quality behavior is similar across the two — file size differences come from algorithm efficiency rather than compression philosophy.
• •How transparency is handled: OGV does not support alpha channels — transparent areas in the source will become opaque.
• •VOB files are typically 1-2GB per hour of DVD video while OGV files range Similar to MP4 at equivalent quality
• •Primary audience: VOB is built for dvd movies, legacy video archives scenarios, while OGV focuses on open-source video, web video — pick the format that matches your output requirement.

Advantages of VOB

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

Advantages of OGV

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

Common Use Cases for VOB to OGV Conversion

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

Industry Applications

Best Practices for VOB to OGV Conversion

• →For VOB to OGV: encode at the target platform's native resolution — upscaling or downscaling adds unnecessary artifacts
• →Test a short clip before converting the entire VOB file — this confirms OGV settings produce acceptable quality
• →OGV is widely supported but choose bitrate carefully to balance quality and file size
• →Use constant bitrate (CBR) for streaming delivery and variable bitrate (VBR) for archival storage
• →Keep the original file in case you need to re-encode with different settings
• →Check audio sync after conversion — container changes can sometimes cause drift

Related Article

Troubleshooting VOB to OGV Conversion

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

Related Video Converters

All Video Formats

More Video tools