# cDVD

> CDs with MPEG video

**Wikidata**: [Q13410178](https://www.wikidata.org/wiki/Q13410178)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/CDVD)  
**Source**: https://4ort.xyz/entity/cdvd

## Summary
cDVD is a compact disc format designed to store MPEG video content. It is a subclass of the standard compact disc format, with a diameter of 120 millimetres. The format is also known by the alias "mini-DVD."

## Key Facts
- cDVD is a subclass of compact disc, which was invented in 1979
- The format has a diameter of 120 millimetres
- cDVD is also known by the alias "mini-DVD"
- It is distinct from MiniDVD and Mini CD formats
- The format is described on Wikipedia as "CDs with MPEG video"
- cDVD is available in German, English, Italian, and Japanese Wikipedia editions
- The format has a freebase ID of /m/057xqts
- cDVD has 4 sitelink references across Wikipedia editions

### Q: What is cDVD?
A: cDVD is a compact disc format designed to store MPEG video content. It has a diameter of 120 millimetres and is also known as mini-DVD.

### Q: How is cDVD different from MiniDVD?
A: cDVD is a distinct format from MiniDVD, despite the similar name. It is specifically designed for MPEG video storage and has different specifications.

### Q: What languages is cDVD information available in on Wikipedia?
A: Information about cDVD is available in German, English, Italian, and Japanese Wikipedia editions.

## Why It Matters
cDVD represents an important evolution in optical disc technology, bridging the gap between standard audio CDs and full DVD video formats. By providing a compact format capable of storing MPEG video content, cDVD enabled more portable video playback solutions before the widespread adoption of digital streaming and USB storage. The format's 120mm diameter made it compatible with standard CD drives while offering enhanced video storage capabilities. This made it particularly useful for applications requiring portable video content, such as promotional materials, educational content, and early portable media players. The development of cDVD also demonstrated the ongoing innovation in optical disc technology as manufacturers sought to expand the capabilities of existing CD infrastructure.

## Notable For
- Being a specialized compact disc format for MPEG video storage
- Maintaining compatibility with standard CD drive dimensions (120mm)
- Serving as an intermediate format between audio CDs and full DVDs
- Having multiple Wikipedia language editions (4 total)
- Being distinct from similarly named MiniDVD and Mini CD formats

## Body
### Technical Specifications
The cDVD format maintains the standard 120mm diameter of traditional compact discs, ensuring compatibility with existing CD drive mechanisms. This size optimization allows for efficient use of space while providing sufficient capacity for MPEG video content. The format's specifications are optimized for video playback, distinguishing it from standard audio CDs.

### Format Classification
As a subclass of compact disc technology, cDVD inherits the fundamental characteristics of CD technology while adding specialized capabilities for video storage. The format was developed during the transition period when optical media was expanding beyond audio applications into video and data storage.

### Market Position
The cDVD format occupies a specific niche in the optical media landscape, positioned between standard audio CDs and full DVD formats. This positioning made it particularly suitable for applications requiring portable video content without the full capacity requirements of DVD technology.

### Documentation and References
The format is documented across multiple Wikipedia language editions, indicating its international relevance. The availability of information in German, English, Italian, and Japanese suggests widespread use or interest in the format across different markets. The format's presence in knowledge bases like Freebase (with ID /m/057xqts) further establishes its recognized status in digital media taxonomy.