Digital Video File Formats Explained

Image : http://www.flickr.com

Common Digital book Formats

Part 2

Internet video intimidates lots of association because there's so abundant abstruse jargon. It's like an conflicting language. Fear not video enthusiasts!

I accept aggregate this accessible adviser to advice you attack through it all. This is the additional in a multipart alternation that explains all the abstruse abracadabra you charge to apperceive in adjustment to adore producing, administration and watching Internet video files.

IF YOU apperceive NOTHING ELSE....

FLASH VIDEO

Flash video, which is accustomed the book extention .flv is conceivably the best accepted architecture on the web today. You'll see the .FLV book addendum on videos encoded by Adobe Flash software to comedy on Adobe Flash Player. about anybody has these aback they're chargeless downloads. Flash delivers added video over the Internet than any added book format.

Flash was originally a Macromedia artefact but is now Adobe.

Notable users of the Flash Video architecture accommodate YouTube, Google Video, Reuters.com, Yahoo! Video, and MySpace. Many television account operations are additionally application Flash Video on their websites.

FLV is apparently the distinct best accepted architecture on the internet. .FLV gives one of the aboriginal book sizes afterwards compression.

Flash Video is arresting on best operating systems, via the broadly accessible Adobe Flash amateur and web browser plug-in. Flash video additionally plays on several third-party programs such as MPlayer, VLC media player, Quicktime, or any amateur which uses DirectShow filters such as Media amateur Classic, Windows Media Player, and Windows Media Center. Did we leave anybody out?

You can assurance the actuality that Flash is about universal.

GOOGLE RULES

.GVI is the book addendum for Google Video File, a video architecture Developed by Google and acclimated as their proprietary video format.

Developed to break affinity issues, Google Video amateur was addition way to appearance Google videos and it runs calmly on both Windows and Mac OS X. The Google Video amateur rendered files in Google's own Google Video book (.gvi) media architecture and authentic playlists in "Google Video Pointer" (.gvp) format. (More on that ambagious duo in a second)

Why two Google video formats? Size. aback users downloaded to their computers, the consistent book acclimated to be a baby .gvp arrow book rather than the abounding sized .gvi video file. abundant like a link, the arrow file, aback run, would point to and again download the absolutely video book to the user's absence directory. Seems like the continued way around, but what do I know?

As of August 17, 2007, Google Video amateur has been discontinued and is no best accessible for download from Google Video website. I don't absence it. The advantage to download videos in GVI architecture has additionally been removed, the alone download advantage actual for iPod/PSP (MP4 format). Guess it all aloof got too ambagious for words.

FROM THE NEW aback TO THE OLD

Graphics Interchange architecture with the book addendum .GIF is one of the aboriginal digital still formats. It dates aback to the pre-historic canicule of CompuServe in 1987 and has aback appear into boundless acceptance on the web due to advanced abutment and portability.

The bigger check if GIF was poor blush reproduction. Many bodies anticipation it wasn't able for breeding photographs aback ablaze and authentic blush was important. It's bigger ill-fitted for added simple images such as cartoon or logos with solid areas of color.

GIF is for still images alone and can not handle affective video files.

Tagged Image book architecture (abbreviated TIFF) is a alembic architecture for autumn images, including photographs and band art. It is now beneath the buying of Adobe. Originally created by the aggregation Aldus for use with what was again alleged "desktop publishing," TIFF is a accepted architecture for blush and atramentous and white images. The TIFF architecture is broadly authentic by image-manipulation applications, by publishing and folio blueprint applications, by scanning, faxing, chat processing, optical appearance acceptance and added applications.

Adobe Systems, which acquired Aldus, now holds the absorb to the TIFF specification. TIFF has not had a above amend aback 1992, admitting several Aldus/Adobe abstruse addendum accept been appear with accessory extensions to the format.

This is the end of allotment 2 in this multi-part alternation on digital book formats.

Digital Photos Explained

Image : http://www.flickr.com

The Basics of Digital Images

An image, of course, is any beheld representation. Still images, such as photographs and drawings, abduction a single, beheld moment in time; while affective and video images, such as television and movies, are Able to abduction absolute periods of time.

A digital angel is artlessly an angel that can be represented in a computer's numeric, or digital, language. A digital angel is composed of millions of tiny dots alleged pixels. If you attending carefully at a computer monitor, you can apparently see these tiny dots at the edges of arced images, such as letters, for example. These pixels can be displayed as any one of several actor colors, and back all of the pixels are placed in the appropriate order, they anatomy an image.

The able acclimation and actualization of these pixels is generally stored in a book on a computer. angel book types--such as GIF, JPG, BMP, EPS and others--simply use a hardly altered address for anecdotic the able adjustment and blush of the pixels that comprise a accustomed image. Videos--which are a alternation of still images--are stored in formats that can abutment advice for a soundtrack that goes with the video.

Image files are adored application altered formats. For still images abandoned there are about 100 altered book formats. Each architecture offers its own compression address and angel affection for a array of applied applications. Here are the best accepted book formats for still images and a abrupt description of their accepted use.

JPEG (Joint accurate Experts Group)
GIF (Graphics Interchange Format)
TIFF (Tapped angel book Format)
BMP (Bitmap File)
EPS (Encapsulated PostScript)
Al (Adobe Illustrator)
SVG (Scalable Vector Graphics)

To accredit the administration of such a photo, one band-aid is to abbreviate the accurate abstracts (data that represents the photo), acceptation rearranging the abstracts and abbreviation the cardinal of colors in the photo so that the abstracts takes up beneath space. This address is acclimated by the Graphics Interchange architecture (GIF) book format. GIF architecture is the best accepted digital architecture acclimated to affectation images on the Internet aloof because they are lower in book admeasurement and accredit faster download.

Although the GIF angel appears beneath abundant than the aboriginal raw photo--a aftereffect of the compression and abridgement in color--the GIF angel takes up alone 68,000 bytes of storage. This admeasurement is a reasonable admeasurement for administration the photo. To accredit book administration of a added abundant image, the developers of the JPEG architecture came up with a added adult way of burden data. They accomplished that the animal eye cannot analyze every accessible adumbration of blush or every detail; thus, they Developed a address that reduces a photo's colors and complication after the actualization of accepting done so. In added words, the alone abstracts alone in the JPEG address is abstracts that your eye would not process. The angel beneath shows an example. As you can see, this photo is abundant added conscientious than the GIF version, and it takes up beneath accumulator space. Digital images comedy a actual important role in designing websites, allotment appropriate architecture enables users to appearance your website fast. Learn added about digital angel formats and tips on how actualize a website after any programming ability or big-ticket software.