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Topic: Video format

	video format converters - VFCs - technology showcase - Sound & Video Contractor - video scalers - upconversion -
		Video scalers are designed to avoid this predicament by scaling the source video format image in whichever direction required to match the display screen resolution.
		Ideally, that video scaler would also be easy to configure, have a clear menu structure, have the most common type of connectors on its inputs and output, and possess the capability for a wide range of input formats.
		Verify that all the source video formats you need are managed to your satisfaction and that you have all the adjustment range you feel is appropriate for your choice of output format, such as video processing, image zoom, and aspect ratio adjustments.
	svconline.com /mag/avinstall_video_format_converters (2617 words)

	Video - Wikipedia, the free encyclopedia
		Video is the technology of capturing, recording, processing, transmitting, and reconstructing moving pictures, typically using celluloid film, electronic signals, or digital media, primarily for viewing on television or computer monitors.
		Video can be recorded and transmitted in various physical media: in celluloid film when recorded by mechanical cameras, in PAL or NTSC electric signals when recorded by video cameras, or in MPEG-4 or DV digital media when recorded by digital cameras.
		Video resolution for 3D-video is measured in voxels (volume picture element, representing a value in three dimensional space).
	en.wikipedia.org /wiki/Video (1300 words)

	IS Video - Video FAQ (Site not responding. Last check: 2007-10-20)
		The Type C format replaced the 2 inch "Quad" systems as the premium standard of the time because it was the first to offer many of the features in a videotape format that we currently take for granted, such as: viewable still-frames, slow and fast motion, and picture in shuttle.
		Video equipment designed for the production material that is not intended for television broadcast does not have to adhere to the demanding standards in image quality or equipment durability that is generally required in broadcast television.
		The DV format compresses the video signal at a rate of 5:1, and the ratio of samled data are 4:1:1, which allocates 4 parts of the sample to the fl-and-white data (luminance) of the component signal, and 1 part each for both of the color portions (chrominance) of the sample of the component signal.
	ether.asu.edu /video/FAQ-format.html (1811 words)

	Container format - Wikipedia, the free encyclopedia
		A container format is a computer file format that can contain various types of data, compressed by means of standardized codecs.
		Simpler container formats can contain different types of audio codecs, while more advanced container formats can support audio, video, subtitles, chapters, and meta-data (tags) - along with the synchronization information needed to play back the various streams together.
		Older formats such as AVI do not support new codec features like B-frames, VBR audio, VFR natively, although the format may be "hacked" to add support, creating compatibility problems.
	en.wikipedia.org /wiki/Video_file_format (307 words)

	[No title]
		In the RoQ video file format, audio samples are DPCM coded and the video frames are coded using motion blocks and vector quantisation.
		Information was obtained by giving known input audio samples and video frames to the RoQ encoder and analysing the resulting text output from the encoder and the RoQ file it generated.
		In double buffering, two video buffers are used such that while one is being displayed, the other is being updated or rendered with new information.
	www.csse.monash.edu.au /~timf/videocodec/idroq.txt (1970 words)

	Video File Format Comparison
		When dealing with video files there are several factors that need to be considered, like bit depth, frame size and frame rate as well as compression and codecs used.
		For example, a 15-megabyte video might be reduced to 150 kilobytes Prior to transmission, the codec converts analog signals to digital signals and compresses the digital signals.
		This is a general purpose format for exchanging multimedia data types that was defined by Microsoft and IBM during their long forgotten alliance.
	www.uwm.edu /People/price/video_file_format_comparison.html (1737 words)

	RFC 2190 (rfc2190) - RTP Payload Format for H.263 Video Streams (Site not responding. Last check: 2007-10-20)
		For every video frame, the H.263 bitstream itself is carried in the RTP payload without alteration, including the picture start code, the entire picture header, in addition to any fixed length codes and variable length codes.
		For H.263 video streams, the RTP timestamp is based on a 90 kHz clock, the same as the RTP timestamp for H.261 video streams [5].
		The layout of an RTP H.263 video packet is shown as: 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	www.faqs.org /rfcs/rfc2190.html (3649 words)

	Antique Vintage Video formats - Reel Cartridge Cassette EIAJ (Site not responding. Last check: 2007-10-20)
		The format remained unchanged and was in wide use for almost 30 years until the early 80's - an impressive record that still stands and is unlikely ever to be broken.
		This format was widely used by the broadcast industry into the early 1990's and remains to this day, the highest quality by far, of any of the analog formats.
		Video companies being themselves deeply involved in the "Image Business", are acutely sensitive to having the most recognized name in professional hardware (sometimes at the expense of not embracing superior technology).
	www.videointerchange.com /formatsupport.htm (7259 words)

	Video recording formats
		Some video equipment may still have RGB inputs or outputs, as converting between these two component representations is easy; see the equations at Rick Davis' digital video page (that's for NTSC, by the way -- PAL uses slightly different coefficients).
		Even the formats using compression maintain the entire vertical resolution, although all the compression methods are two-dimensional and operate on the image as a whole and not on separate lines.
		Note that in C format, the entire composite video signal is recorded and played back as is without splitting it to Y/C, like most composite recorders do, or limiting the bandwidth in any way.
	users.tkk.fi /~iisakkil/videoformats.html (3659 words)

	Choosing the Right Camcorder Video Format (Site not responding. Last check: 2007-10-20)
		The type of format used determines the design and the feature set of the camcorder, and also affects what you can do with the video once it's shot.
		It is a convenient and stable format for archiving, and both video and still images can typically be recorded on the disc.
		Both video and still images can be recorded on one card, instead of on a cassette and a memory card.
	www.bestbuy.com /site/olspage.jsp?guideID=1157067564447&categoryRep=cat04000&type=page&cmp=&id=cat12077 (750 words)

	RFC 3189 (rfc3189) - RTP Payload Format for DV (IEC 61834) Video (Site not responding. Last check: 2007-10-20)
		RFC 3189 (rfc3189) - RTP Payload Format for DV (IEC 61834) Video
		RFC 3189 - RTP Payload Format for DV (IEC 61834) Video
		The DV video encoding is composed of a three-level hierarchical structure.
	www.faqs.org /rfcs/rfc3189.html (2582 words)

	Choosing the best video format for your web site
		You simply convert your video to a Flash format (more on that in a minute), and then you can be fairly confident that the maximum number of people can play it without having to download any additional software.
		QuickTime is a container format, which means you can use any of several different codecs for compressing the software (e.g., H.264, Sorenson, etc.).
		By contrast, when video is streamed then it's just spit at your computer with no regard for the integrity of the data, so you get that data much quicker, though there could be some dropouts.
	websitehelpers.com /multimedia/video.html (2609 words)

	History Quadruplex EIAJ pilot tone skip field betamax ampex quad & others (Site not responding. Last check: 2007-10-20)
		Early considerations were that the format had to meet NTSC standards (the very same video specifications in use today) and had to have full 5mhz bandwidth (400 lines of resolution) as well as the capacity to support color in the future.
		In the skip field format, video is recorded by only one of the two video heads, resulting in only one field being recorded.
		Video was new to them and the ability of an inexpensive, easy to operate machine to record and playback anything at all, was fantastic enough in itself and simply good enough.
	www.videointerchange.com /formathistory.htm (3223 words)

	Sony Global - Press Release - Sony Announces Digital8 Video Format for high-quality digital recording of images and ...
		Meanwhile, the DV format Digital Handycam camcorders, first introduced in 1995, has provided customers with superior picture and sound quality, portability, as well as the possibility of connecting their camcorder to a personal computer.
		The DV format has gained wide market acceptance, especially in Japan, where approximately 450,000 units were sold in 1996 and close to 900,000 units in 1997.
		While for the DV format the information for one frame is recorded onto ten tracks, with the Digital8 format two tracks' worth of information is recorded vertically onto five tracks.
	www.sony.net /SonyInfo/News/Press/199901/99-001A (705 words)

	Audiotek Press: Notes About The VHS Video Format
		As it is impractical to physically separate the component luminance and chrominance signals on a home video cassette, both signals appear on a single "track." This prevents the use of a simple mapping between magnetization and image colour as was possible between magnetization and the simple audio waveform.
		Some video recorders promote themselves as being able to engage in "Y playback on X TV." This means that the video recorder itself is able to decode the Y signal and output it as an X signal on its video channel or via its Video Out RCA jack.
		Most Audiotek master video recordings before 1999 were recorded in VHS PAL SP with a hi-fi stereo soundtrack (as well as a mono-compatible linear soundtrack.) Information on the quality of a programme is recorded in the full Audiotek video catalogue.
	audiotek.kaserver5.org /Press/VHS.html (4798 words)

	So You Want A Video, Huh?
		Videos have been on the Internet for a while now, and if you don't mind spending a healthy chunk of change for the hardware and software required to make them, they're pretty simple to create.
		There are many different formats of video that will play on one type of computer or another depending on the software the user has installed.
		This is the premier video format on the PC because it allows for many different compression schemes and reproduces a good picture.
	www.htmlgoodies.com /tutorials/web_graphics/article.php/3480051 (1746 words)

	Video Format Conversion
		The file formats also provide different mechanisms for interleaving the video and audio data within the file so that they can be processed efficiently and played, in sync, in real time.
		Since the AVI and QuickTime file formats are basically control information wrapped around the audio and video data, it would seem logical that you could convert files by simply stripping off one kind of control information, and then pasting back on the same information in a different format.
		Video file formats can be confusing, but converting video files and sharing them between platforms can be done, if you take care and keep things simple.
	www.manifest-tech.com /media_pc/vid_fmt_cvt.htm (3046 words)

	Howstuffworks "How Video Formatting Works"
		As it turns out, there are a number of ways video producers modify theatrical films for video release, and elements of these processes have sparked heated debates about maintaining artistic visions.
		Video, on the other hand, stores visual information as an electronic signal that can be transmitted via radio waves, sent through coaxial cable, etc. Because of this, film and video have very different properties.
		Video producers significantly change most movies from their original theatrical presentation because standard television screens have a different shape than standard movie pictures.
	entertainment.howstuffworks.com /video-format.htm (604 words)

	DVD and VHS Format Information (Site not responding. Last check: 2007-10-20)
		NTSC is the most common video format in the United States and Canada.
		PAL is the video format used in Europe and parts of Asia.
		SECAM is a video format used primarily in France and Russia.
	www.amazon.com /exec/obidos/subst/help/dvd-vhs-format-no-links.html (389 words)

	Open video format - Anne’s Weblog
		Getting an open (as in non-proprietary, royalty free) video format that is good enough is likely much harder.
		Well, it is wishful thinking that was Flash video usage dwindled in favour of a de facto standard Open video format but it sounds a good idea.
		I don't know what this is about Flash and video though because, as it has been mentioned, that's not nearly all that Flash is good for and neither do I think it was ever the main purpose.
	annevankesteren.nl /2006/11/open-video (931 words)

	Adobe - Digital Negative (DNG)
		Raw file formats are becoming extremely popular in digital photography workflows because they offer creative professionals greater creative control.
		However, cameras can use many different raw formats — the specifications for which are not publicly available — which means that not every raw file can be read by a variety of software applications.
		Download the specification, which describes a nonproprietary file format for storing camera raw files that can be used by a wide range of hardware and software vendors.
	www.adobe.com /products/dng (635 words)

	The DV, DVCAM, & DVCPRO Formats -- tech details, FAQ, and links.
		Format Reviews comparing DV and Hi8, DV and BetacamSP, DV25 and DV50 multigeneration performance, DV and MJPEG editing performance.
		DV Format is an improving source for press releases, articles (some purloined from earlier versions of this website, grin), and reviews.
		Also, DV is the first broadcast-quality format small enough for a camera master to fall into a cup of tea (trust me on this; no need to try it yourself).
	www.adamwilt.com /DV.html (4488 words)

	sigur rós - download videos
		the music on this video is cut short from 10:05 to 7:00 mins
		a video made by sigur rós mainly about the acting group perlan
		more sigur rós videos can be found on the sigur rós videos ftp.
	www.sigur-ros.co.uk /media/dldvideo.php (274 words)

	What is Video for Windows? - A Word Definition From the Webopedia Computer Dictionary (Site not responding. Last check: 2007-10-20)
		AVI files are limited to 320 x 240 resolution, and 30 frames per second, neither of which is adequate for full-screen, full-motion video.
		However, Video for Windows does not require any special hardware, making it the lowest common denominator for multimedia applications.
		Many multimedia producers use this format because it allows them to sell their products to the largest base of users.
	www.webopedia.com /TERM/V/Video_for_Windows.html (279 words)

	Folsom Research, Video Format Converters: Viscount Video
		The Encore Video Processor incorporates universal inputs that accept both analog and digital video.
		PresentationPRO is a seven input audio and video seamless switcher that is designed for small presentations and/or breakout rooms.
		The input video is converted directly to the native resolution or "sweet spot" of the projection device to optimize image quality.
	www.viscountvideo.com /category_12.htm (920 words)

	WMV (Windows Media Video) File Format
		File format based in ASF (Advanced Systems Format) that wraps a video bitstream.
		Often final state format for enduser delivery; sometimes a middle-state format, e.g., a high-quality video representation for archiving or as a source when producing lower-resolution streaming versions.
		For uncompressed or losslessly compressed video, which is generally preferred to compressed, MXF may be preferred as a wrapper; this topic will be developed in a future investigation.
	www.digitalpreservation.gov /formats/fdd/fdd000091.shtml (421 words)

	Vimeo / Forums / Changing a video format
		A GREAT program to change any video format into another of all the possible formats is: AVS Video Converter.
		I use a Kodak easyshare and the video format is mov.
		I need software to change video formats and also work on a 64 bit operating system.
	www.vimeo.com /forum=General_Discussion/topic=89 (318 words)

	video format - Cyber Tech Help Support Forums
		how can you change the video format if the editing software you are using will only let you save as their own type.
		In video editing software packages, this will save the project you're working on (the files locations of the videos you're using, the cut points, plus any extra effects you've added), but not the actual video itself.
		It should allow you to choose from avi, mpg, wmv and more, at a variety of compression levels; choose the one that is best suited to your task.
	www.cybertechhelp.com /forums/showthread.php?p=564517#post564517 (240 words)

	John McGowan's AVI Overview
		AVI is the most common format for audio/video data on the PC.
		When Video for Windows cannot find the video compressor decompressor or codec used to encode an AVI file, Video for Windows pops up a message box with this error message.
		xxxx is the unique four character code used to identify the video codec used to compress the video stream in the AVI file.
	www.jmcgowan.com /avi.html (1230 words)

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