Terminology#
This page lists a few terms that you may or may not be familiar with, or may not know the full context of.
Discs#
- DVD
Digital Versatile Disc, an extension of CD (Compact Disc), is a digital optical disc data storage medium. It can store any kind of digital data and was commonly used for DVD-Video.
- DVD-Video
A consumer video format used to store digital video on DVD discs. This is commonly referred to as just DVD in the context of video data.
- DVD5, DVD9, DVDn…
DVD Nomenclature based on Disc Capacity. DVD represents the medium, and the number represents the capacity. The number is generally rounded to the nearest whole number. List of DVD Designations.
- DVD+/-R/W
All formats are writable discs via burning. The “R” format is writable once whereas “RW” can be written to repeatedly. The “dash” and “plus” formats have differences in how they are burned and written, player compatability, and differ in functionality.
In context of Remuxing, all you need to know is DVD-Video discs on these mediums are usually pirate discs or home made recordings via DVD recorders. Consumer DVD-Video Discs are almost always pressed DVD-ROM discs.
- MOD
MOD are DVD-Video discs that are made-on-demand when you purchase them. This is usually done by pirate disc sellers and sometimes commercially licensed discs. Nickelodeon is known to do this quite often for some older content on Amazon (US).
Backup Formats#
- DVD ISO
A DVD or DVD-Video backed up by making a copy of the discs ISO 9660 file-system, typically saved with a
.ISOor.BINfile extension.- DVD VIDEO_TS or VOB/IFO folder
This refers to a DVD-Video that was backed up to a VIDEO_TS folder containing .VOB and .IFO files. This folder and it’s files are the contents of the ISO 9660 file-system of DVD-Video discs.
Multiplexing#
- Muxing
Short for Multiplexing, Muxing is the practice of combining multiple digital data streams into one file. E.g., combining a H.264 and MP3 track together into one MP4 file.
- Demuxing
Demuxing is the opposite practice of Muxing, taking a combined digital data file and extracting it into multiple data streams.
- Remuxing
Remuxing is the practice of Demuxing then Remuxing an already muxed digital data file as to add or remove streams, make metadata changes, change the stream order, and more.
Formats#
- REMUX
A file that was Remuxed as to make improvements. A DVD REMUX more accurately represents the conversion of VOB (Chunked MPEG) data into a single MPEG video, with audio and other tracks muxed together resulting in a more accessible MP4 or MKV video file.
All de/re/muxing processes are lossless, unless the stream data muxed was altered.
- DVDRip
A transcoded or re-encoded DVD-Video file. Often done nowadays to fix issues with a DVD that cannot be fixed through a REMUX. Sometimes referred to as simply DVD without any references to REMUX in the file name.
More Information#
If you would like to learn more about DVDs, the following pages are great resources.
For a lower level look at the DVD-Video format these are great resources: