Doom9 is a

website A website (also written as a web site) is any web page whose content is identified by a common domain name and is published on at least one web server. Websites are typically dedicated to a particular topic or purpose, such as news, educatio ...

featuring information on digital

audio Audio most commonly refers to sound, as it is transmitted in signal form. It may also refer to: Sound *Audio signal, an electrical representation of sound *Audio frequency, a frequency in the audio spectrum *Digital audio, representation of sound ...

and

video Video is an Electronics, electronic medium for the recording, copying, playback, broadcasting, and display of moving picture, moving image, visual Media (communication), media. Video was first developed for mechanical television systems, whi ...

manipulation (mostly video) and digital copyrights. It is also the forum

username A user is a person who uses a computer or Computer network, network Service (systems architecture), service. A user often has a user account and is identified to the system by a username (or user name). Some software products provide serv ...

of the author of the page, an

Austria Austria, formally the Republic of Austria, is a landlocked country in Central Europe, lying in the Eastern Alps. It is a federation of nine Federal states of Austria, states, of which the capital Vienna is the List of largest cities in Aust ...

n who was a college student at the time of the creation of the site. Doom9 is also known as the main discussion forum for many major video encoding tools, such as

x264 x264 is a free and open-source software library and a command-line utility developed by VideoLAN for encoding video streams into the H.264/MPEG-4 AVC video coding format. It is released under the terms of the GNU General Public License. Histo ...

, AviSynth, and MeGUI.

History

Started in March 2000, the site has expanded to contain a wide range of information on the subject of digital video encoding and

DVD The DVD (common abbreviation for digital video disc or digital versatile disc) is a digital optical disc data storage format. It was invented and developed in 1995 and first released on November 1, 1996, in Japan. The medium can store any ki ...

backup (or

ripping Ripping is the extraction of digital content from a container, such as a CD, onto a new digital location. Originally, the term meant to rip music from Commodore 64 games. Later, the term was applied to ripping WAV or MP3 files from digital audio ...

). The most popular sections of the site were the guides to DVD ripping and the annual codec comparisons, where popular digital video

codec A codec is a computer hardware or software component that encodes or decodes a data stream or signal. ''Codec'' is a portmanteau of coder/decoder. In electronic communications, an endec is a device that acts as both an encoder and a decoder o ...

s were compared on the basis of quality, speed, and compression. The forum is frequented by many developers of the tools and codecs featured on the site, such as FairUse4WM. The VirtualDubMod project began after many modifications to

VirtualDub VirtualDub is a free and open-source video capture and video processing utility for Microsoft Windows written by Avery Lee. It is designed to process linear video streams, including filtering and recompression. It uses AVI container format to s ...

were posted on the Doom9 forums. Doom9 gained notoriety due to its involvement in the

AACS encryption key controversy A controversy surrounding the AACS processing key arose in April 2007 when the Motion Picture Association of America and the Advanced Access Content System Licensing Administrator, LLC (AACS LA) began issuing cease and desist letters to websi ...

. The utility BackupHDDVD was first posted by a Doom9 poster using the alias ''muslix64''. The earliest information on how to find title and volume keys was also first revealed on Doom9 forums, by other users. The key that set off the controversy was also first posted by a user using the name ''arnezami''.

Projects

Due to the concentration of forum members who have technical backgrounds, there have been various software projects developed and maintained by forum members. These include: * Media Player Classic Home Cinema, a lightweight media player using the

DirectShow DirectShow (sometimes abbreviated as DS or DShow), codename Quartz, is a multimedia framework and API produced by Microsoft for software developers to perform various operations with media files or streams. It is the replacement for Microsoft's ea ...

API * ffdshow-tryouts, a collection of free software codecs, most notably

libavcodec libavcodec is a free and open-source library of codecs for encoding and decoding video and audio data. libavcodec is an integral part of many open-source multimedia applications and frameworks. The popular MPV, xine and VLC media players use ...

, provided as DirectShow filters Doom9 members have also contributed significantly to various software projects, including: *

, a free software H.264 video encoder * VirtualDubMod, a video capture and linear editing tool

References

{{Reflist

External links

Doom9 - The Definitive DVD Backup ResourceDoom9's Forum
Technology websites Internet properties established in 2000

History

Projects

See also

References

External links