Doom9 is a

website A website (also written as a web site) is a collection of web pages and related content that is identified by a common domain name and published on at least one web server. Examples of notable websites are Google Search, Google, Facebook, Amaz ...

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 sou ...

and

video Video is an electronic medium for the recording, copying, playback, broadcasting, and display of moving visual media. Video was first developed for mechanical television systems, which were quickly replaced by cathode-ray tube (CRT) syste ...

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

forum Forum or The Forum (plural forums or fora) may refer to: Common uses * Forum (legal), designated space for public expression in the United States *Forum (Roman), open public space within a Roman city **Roman Forum, most famous example *Internet ...

username A user is a person who utilizes a computer or network service. A user often has a user account and is identified to the system by a username (or user name). Other terms for username include login name, screenname (or screen name), accoun ...

of the author of the page, an

Austria Austria, , bar, Östareich officially the Republic of Austria, is a country in the southern part of Central Europe, lying in the Eastern Alps. It is a federation of nine states, one of which is the capital, Vienna, the most populous ...

n who was a college student at the time of the creation of the site. The site's

tagline In entertainment, a tagline (alternatively spelled tag line) is a short text which serves to clarify a thought for, or is designed with a form of, dramatic effect. Many tagline slogans are reiterated phrases associated with an individual, so ...

is "The Definitive DVD Backup Resource". 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 kind ...

backup (or

ripping Ripping is extracting all or parts of digital content from a container. Originally, it meant to rip music out of Commodore 64 games. Later, the term was used to extract WAV or MP3 format files from digital audio CDs, but got applied as well to ext ...

). 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 device or computer program 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 on a signal or da ...

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 VirtualDubMod was an open-source video capture and processing tool for Microsoft Windows, based on Avery Lee's VirtualDub. History Version 1.5.10.2 (build 2542) was released on 21 February 2006. VirtualDub's author, which hosts VirtualDubMod's ...

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 ...

were posted on the Doom9 forums. Doom9 gained notoriety as a result of its involvement in the AACS encryption key controversy. The utility

BackupHDDVD BackupHDDVD is a small computer software utility program available in command line interface, command line and Graphical user interface, GUI versions which aids in the cryptography, decryption of commercial HD DVD discs protected by the Advanced ...

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''. Doom9 is also known for being 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. Histor ...

AviSynth AviSynth is a frameserver program for Microsoft Windows, Linux and macOS initially developed by Ben Rudiak-Gould, Edwin van Eggelen, Klaus Post, Richard Berg and Ian Brabham in May 2000 and later picked up and maintained by the open source communi ...

and MeGUI.

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 Media Player Classic (MPC), Media Player Classic - Home Cinema (MPC-HC), and Media Player Classic - Black Edition (MPC-BE) are a family of free and open-source, compact, lightweight, and customizable media players for 32-bit and 64-bit Microsoft ...

, 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 ffdshow is an open-source unmaintained codec library that is mainly used for decoding of video in the MPEG-4 ASP (e.g. encoded with DivX or Xvid) and H.264/MPEG-4 AVC video formats, but it supports numerous other video and audio formats as ...

, 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 *

, a video capture and linear editing tool

References

External links

Doom9 - The Definitive DVD Backup ResourceDoom9's Forum
Technology websites {{tech-website-stub

Projects

See also

References

External links