Introduction
The internet is no longer just a medium that provides resources based in texts and images and to also offer video content and audio. One of the technologies that participate in this evolution is the DivX and other similar formats, such as XviD and Matroska. Following the AbbreviationFinder shows the most important features of these patterns.
What is DivX
The DivX is a format that allows you to decrease the disk space a video without significant loss of quality. With this, a video from a DVD (that has an average of 4.6 GB in size) can be compressed in DivX to fit on a CD 650/700 MB. This format also allows the audio quality to be maintained or to remain in a satisfactory state.
Basically, DivX is formed by two software: one is the DeCSS, used in content extraction, which allows to break the encryption that prevents files on the DVD to be copied to the computer. The other is a version of a software made by Microsoft’s MPEG-4 (avi codec), system compression standard video the built-in Windows Media Tools. It is because of this that DivX movies can be found with the extension .avi (for example, AbbreviationFinder.avi).
In fact, only the early versions used the MPEG-4 Microsoft. Times after a version of this standard was developed totally independent and for this reason has been incorporated into the versions latest DivX.
To run videos in DivX on a computer or on a player video (like DVD players) it is necessary to install a DivX codec. What is codec? It is the abbreviation “COder/DECoder”, a type of software responsible for interpreting a video or audio format and display them in a program appropriate.
How it works the DivX
You must have asked themselves how the DivX format can compress both a video while maintaining the minimum quality. This is done thanks an algorithm that identifies the parties to the busy image and the parts still. The parties are busy receive higher refresh rate than the parties stops. The pieces moved are then positioned so that only that part get update high, while the rest of the image remains with this rate at a low value. In the video the original, entire image, regardless of being static or not, receives update, considerably increasing its size.
In the case of audio, this is treated separately to that also to be compressed, and may have portions inaudible to the human ears (as occurs in the format of MP3) withdrawals. In addition, the audio can also be prioritized only in the scenes the busiest. The DivX then synchronizes the video and audio the resulting and, in the end, what you have is a compressed video.
Similar formats
XviD: XviD format is very similar with the DivX (you have guessed this by the name), but differs from this by the case a project of the free software (DivX contains resources owners). Its compression algorithm is different from the one used by DivX and can have quality equal to or better than this, depending on the video. Today day it is recommended to have installed codecs for the two formats.More information about the XviD on the official website: www.xvid.org;
Matroska: Matroska, in fact, is not a video codec, but yes a container that allows you to enter in a single file a combination of video, audio and subtitles. Thus, it can be combine, for example, a DivX movie with a pack of legends. With this, the user can choose the language that you want to see the movie. As the Matroska can also work with only audio, there are two extensions for your files: MKV (Matroska Video) and MKA (Matroska Audio), for example, AbbreviationFinder.mkv and AbbreviationFinder.mka, respectively. Matroska also is a free software project. The address of its official site is www.matroska.org.
How to run videos in DivX
To run videos in DivX (or XviD, or even, in Matroska) is need to install the corresponding codecs for your operating system and a program to view the movies.
For this, you need a computer with, at a minimum, a Pentium II 350 MHz, 64 MB RAM, sound card, CD-ROM at least 32x and video card with at least 8 MB of memory. Computers with video cards with graphics acceleration 3D have result simply excellent!
The codecs can be downloaded from the official websites:
– DivX;
– XviD;
– Matroska.
For users of the Linux operating system, DivX can be downloaded in labs.divx.com/DivXLinuxCodec(access in 26_03_2006. Please contact the AbbreviationFinder if this link is broken).
As for the programs to run the videos in the formats in question, options are not lacking. For Windows there is the BSPlayer, Winamp, VLC, among many others. For Linux is available from the MPlayer, Xine, XMovie, etc.
Ending
To the despair of the Hollywood studios, the distribution videos over the Internet has become a fever and the DivX format has his share of the blame, after all facilitated the dissemination movies for allow files smaller while maintaining a satisfactory quality image. But the DivX also allows you to scan those filming family or old movies that were lost in VHS tapes. This indicates that this format is still going to last very long. So install the codecs for your operating system, prepare the popcorn ce good movie!
