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Topic: Digital Packet Video Link

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	CCSR - Multimedia and DSP Research Group - Current Projects - Video
		It is the video transcoder's aim to convey an input compressed video stream to the output link without the need of fully decoding and re-encoding.
		However, few or more network links, to which individual users are connected, might not be able to support any of the high performance video streams due to congestion reasons or network constraints, so that an interface between two ends is needed for an achievable throughput.
		The aim of this project is to attain all three types of video transcoding algorithms and combine them in a way that an ultimate interconnection is achieved among diverse types of communication networks, and multimedia terminals.
	www.ee.surrey.ac.uk /CCSR/Multimedia/Projects/Video (1350 words)

	Patent 6084631: High-speed digital video serial link
		The packaged digital video data signals comprise a source address code for identifying an address origin of the digital video data signal, a destination address code identifying a final address destination of the digital video data signal, a priority code identifying a priority of the transmission, and digital video data.
		The communication link 101 between the main processor 100 and the primary hub 104 is preferably two twisted pairs of wires, with one pair being used for transmissions from the main processor to the primary hub and the other pair used to transmit from the primary hub to the main processor.
		The three spare bits of the fourth byte in the control packet are used in the data packet as the upper three bits of an 11 bit word used to indicate the length of the data being transmitted.
	www.freepatentsonline.com /6084631.html (8786 words)

	Telecommunications Training - Digital Transmission Video Course
		Now they are extending the digital signals all of the way into businesses and homes by converting the telephone networks from "telephone service" to "digital service." These new networks will provide you with end to end connections of binary or digital bit streams at various speeds.
		Most of the digital circuits in use today are available either as special services from the telephone company or provided through private networks of microwave, fiber optic or satellite links.
		Digital services are making this easier than ever because you only need to meet one common interface regardless of the type of information you transmit.
	www.informationfactory.com /digsec1.htm (2883 words)

	Digital Packet Video Link (Site not responding. Last check: 2007-09-15)
		Digital Packet Video Link is a new video standard from VESA.
		Unlike previous technologies, and in order to save bandwidth, only portions of the screen that are modified are sent via this link.
		The DPVL standard is aimed to mobile and wireless hardware.
	www.encyclopedia-1.com /d/di/digital_packet_video_link.html (56 words)

	VESA’s Digital Packet Video Link Standard Defines High Level Video Stream Protocol for Enhanced Display Content (Site not responding. Last check: 2007-09-15)
		DPVL decouples the video transmission rate from the display device’s refresh rate, resolving the bandwidth problem and allowing high data content and cascaded monitors to be updated efficiently
		The DPVL standard defines video packet formats for meta data, which must be embedded in the video stream.
		The standard also includes video packet structures that enable functional extensions and add flexibility to the video interface, along with a capability management scheme for negotiating protocol parameters between a host and a monitor, and a monitor control program that defines a set of commands that enhance the video stream protocol.
	www.vesa.org /DPVLpr.htm (420 words)

	Privateline.com: Packet and circuit switching
		Other packets from other calls race upon these circuits as well, making the most use of each track or path, quite unlike the circuit switched calls that occupy a single single path to the exclusion of all others.
		Packet Video is promising video clips at 60Kbs over conventional circuit switched cellular radio channels, indeed, they say they are platform independent, that is, their technology will work over whatever radio technology a carrier is using.
		But if he maintained that packet could not be substituted for circuit switching in the PSTN because of call quality, well, that man would be right, especially for the times.
	www.privateline.com /Switching/packet.html (2416 words)

	Digital Video
		In total, the new digital television standard is composed of 18 individual specifications for a variety of resolutions, refresh rates, aspect ratios and scanning methods (progressive versus interlaced).
		The primary differences between standard definition digital televisions and high definition models are the resolution and aspect ratio, although there are standard definition formats that incorporate the wide 16 by 9 ratio.
		The major issue in digital video is the disk space it takes up, and the corollary issues of transmission, throughput and display.
	acc6.its.brooklyn.cuny.edu /~lscarlat/GUI/Tony_video.html (4908 words)

	Video and Audio: Organization and Retrieval in the WWW
		Video and audio are treated as files and retrieved as a whole.
		For example, for a video clip encoded in the MPEG format[8], the encoding scheme is MPEG, and the encoding parameters include the frame rate, bit rate, encoding pattern, and picture size.
		Video frames are grouped and descriptions are associated with the groups.
	choices.cs.uiuc.edu /Papers/New/www5/www5.html (3386 words)

	RFC 1453 (rfc1453) - A Comment on Packet Video Remote Conferencing and the (Site not responding. Last check: 2007-09-15)
		In an effort to anticipate the high bandwidth-delay data link layer, Delta-t [Delta-t], NETBLT [RFC 988], and VMTP [RFC 1045] were developed.
		At the Second Packet Video Workshop, held December, 1992, at MCNC in the Research Triangle Park, North Carolina, a recurrent theme was the use of multimedia in remote conferencing.
		Separating policy and mechanism permits an error-control or flow-control policy to adapt to the data link layer conditions without shutting down a connection and rebuilding (or multiplexing) a new one on a different protocol stack.
	www.faqs.org /rfcs/rfc1453.html (2591 words)

	Research Points to Natural Demand for Mobile Video (Site not responding. Last check: 2007-09-15)
		By 2009, mobile video services are expected to generate $5.4 billion in annual revenues.
		The report, Mobile Video Services in the US, 2004-2009 (#IN0401657MCD), includes survey results and analysis from In-Stat/MDR’s Consumer Mobility Study, including level of interest in mobile video services, as well as user preferences for specific content, delivery mechanisms, and video applications.
		US mobile video forecasts, reflecting significant growth in subscribers and revenue during the five-year period are also provided.
	www.instat.com /press.asp?ID=976&sku=IN0401657MCD (551 words)

	Read about VESA at WorldVillage Encyclopedia. Research VESA and learn about VESA here! (Site not responding. Last check: 2007-09-15)
		The Video Electronics Standards Association (VESA) is an international body that has issued a number of standards, mostly relating to the functioning of video
		VESA Display Data Channel (DDC), allowing monitors to identify themselves to the video boards they're attached to.
		A number of standards relating to flat-panel screens, video connectors, video cable timings etc.
	encyclopedia.worldvillage.com /s/b/Video_Electronics_Standards_Association (153 words)

	VESA Definition / VESA Research (Site not responding. Last check: 2007-09-15)
		The Video Electronics Standards Association (VESA) is an international body that has issued a number of standards, mostly relating to the functioning of video peripheralsA peripheral is a type of computer hardware that is added to a host computer, in order to expand its abilities.
		VESA Local BusThe VESA Local Bus is a local bus defined by the Video Electronics Standards Association, mostly used in personal computers based on the Intel 80486 CPU.
		Digital Packet Video LinkDigital Packet Video Link is a new video standard from VESA.
	www.elresearch.com /VESA (743 words)

	IEC: Testing Digital Video
		Digital video will be transported over both traditional core telecom networks and a variety of emerging residential-access networks.
		Digitized video can be stored on servers; compression allows more efficient storage.
		A number of digital video programs can be transmitted in the bandwidth of a single analog TV channel.
	www.iec.org /online/tutorials/test_dv (291 words)

	Video Conferencing Services Company, Audio Videoconferencing Equipment Systems UK - EyeNetwork
		is an international video conferencing booking service with over 2500 affiliate public bureau around the world, all available for hire by the hour.
		All you need to do is to tell us the site where you want to video conference with and we book your nearest location.
		Our clients have found the video conferencing facilities we have booked through you to be of a very high standard.
	www.eyenetwork.co.uk (219 words)

	Packet Switched Press (Site not responding. Last check: 2007-09-15)
		P2P networks, portable digital media, the MPAA, Brooklyn Technical High School, the US government and terrorism...
		Take two parts Half Life 2 screenshots (thanks to Gamespot, Gamespy and Planet Half Life), one part Oakenfold & Co. (iTMS link here, although, mysteriously, they do not have Tranceport) and a dash of too much time with Roxio Easy Media Creator 7, and you get 30 Scenes in 30 Seconds (DivX).
		As for an update on the product, both Gamespy and Gamespot are quoting a forum post by Gabe Newell of Valve that appears to indicate that an HL2 Release Candidate had gone to Vivendi Universal on 9/15.
	packetswitched.blogspot.com /2004/09/30-half-life-2-scenes-in-30-seconds.html (241 words)

	My-ESM - Display makers propose successor to Digital Visual Interface spec
		Called the Digital Packet Video Link, the new format would use a packet data approach to transmit a variety of multimedia and high-resolution protocols to flat-panel screens.
		The Digital PV Link would attach a header to each data packet being sent to the display, allowing control of multiple screens, higher-resolution displays, improved encryption, the handling of mulitple multimedia inputs, error correction, scaling for different pixel densities, and operation independent from a specific operating system or panel architecture.
		As the make-up of the DVI 2.0 spec evolves, doubt as to the overall merits of the original standard was still evident at the SID symposium.
	www.ebnews.com /ecomponents/periphnews/story/OEG20000517S0018 (732 words)

	Encyclopedia: Digital Packet Video Link
		People who viewed "Digital Packet Video Link" also viewed:
		Updated 222 days 10 hours 50 minutes ago.
		Click for other authoritative sources for this topic (summarised at Factbites.com).
	www.nationmaster.com /encyclopedia/Digital-Packet-Video-Link (106 words)

	Network Computing \| Feature \| Digital Convergence \| Picture Perfect Video \| Page 1 \| July 9, 2001
		Cable providers are selling digital video to compete with satellite providers, which have been promising better video and audio to consumers.
		Because video quality is subjective and MPEG is a standard, we opted to simulate the worst network and see how well the boxes handled it.
		Using a DVD as our input source, we subjected the encoded video stream to latency, packet loss and reordered packets, and graded the units based on the quality of video we received on the decode side; all the units gave the same visual quality at the encode end.
	www.networkcomputing.com /1214/1214f2.html (692 words)

	Vesa Compliant (Site not responding. Last check: 2007-09-15)
		The Video Electronics Standards Association (VESA) is an international body that has issued a number of standards,mostly relating to the functioning of video peripherals in IBM PC compatible computers.
		VESA Display Data Channel (DDC),allowing monitors to identify themselves to the video boards they're attached to.
		Digital Micromirror Device 7: which in turn is connects to two support posts by compliant torsion hinge s.
	www.elusiveeye.com /side39765-vesa-compliant.html (392 words)

	vesa (Site not responding. Last check: 2007-09-15)
		The Video Electronics Standards Association (VESA) is an international body that has issued a number of standards, mostly relating to the functioning of video peripherals in IBM PC compatible computers.
		VESA Local Bus (VLB), used at one time as a fast video bus (akin to the modern AGP).
		The format of the actual identification data is however called EDID.
	www.yourencyclopedia.net /VESA.html (192 words)

	Howstuffworks "How VoIP Works"
		VoIP, or Voice over Internet Protocol, is a method for taking analog audio signals, like the kind you hear when you talk on the phone, and turning them into digital data that can be transmitted over the Internet.
		Above all else, VoIP is basically a clever "reinvention of the wheel." In this article, we'll explore the principles behind VoIP, its applications and the potential of this emerging technology, which will more than likely one day replace the traditional phone system entirely.
		There are VoIP-enabled video phones that use broadband connectivity to place calls over the Internet.
	computer.howstuffworks.com /ip-telephony.htm (239 words)

	Digital video processing and communications
		This site contains, for selected video sequences, original (before compression) format, compressed bits streams by different video coding standards at different bit rates, and reconstructed (decoded) video.
		Links to Homepages of Video Processing Courses Using this text
		DIGITAL VIDEO PROCESSING: ALGORITHMS AND APPLICATIONS IN MEDIA, University of Victoria, Canada
	eeweb.poly.edu /~yao/videobook (251 words)

	Develop Display & Great Product Reviews (Site not responding. Last check: 2007-09-15)
		"Digital Image Display" provides an extensive description of the main algorithms involved in preparing digital images for display and presents practical guidance on the development of new image display applications.
		By describing the IP algorithms required to adapt an arbitrary image source to an arbitrary display type, this unique reference provides the means to understand and evaluate image delivery formats.
		Compares various methods of digital scaling and deinterlacing.An essential read for technology developers, systems integrators and video graphics interface engineers, "Digital Image Display" will also appeal to researchers and postgraduate students working in image processing and display.
	rf-picardie.com /48/47.html (1049 words)

	VESA Standards Summaries
		Please click here for a list of standards that are available in PDF format for immediate download.
		The purpose of this standard is to define Digital Packet Video Link (DPVL), a high-level video stream protocol, which facilitates the advancement of high information content monitors independently of whether displaying that high information content is achieved within a single monitor unit or by an array of monitors.
		This standard defines video packet structures, a capability management scheme and a monitor control scheme.
	www.vesa.org /Standards/summary/2004_4.htm (80 words)

	TechXNY CyberLibrary : An Audio Video Link Layer Controller for Consumer Equipment Digital Interface (Site not responding. Last check: 2007-09-15)
		The revolution in consumer digital audio/video equipment has created, need for highspeed digital interface between digital electronics devices in home.
		Wipro's Audio Video Link Layer Synthesizable Core (or AVLINK Core) is a P1394a based Audio/Video link layer controller conforming to 1394 serial bus standards and IEC-61883 specifications.
		During reception, the CIP header is detached from the packet received from the 1394 bus.
	techxny.test.bitpipe.com /detail/RES/1010093187_305.html (283 words)

	PCWorld.com - Risk Your PC's Health for a Song?
		Using a packet analysis tool called Etherpeek, we determined that each media file loaded a page served by a company called Overpeer (owned by Loudeye).
		Marc Morgenstern, Loudeye vice president and general manager of digital media asset protection, says the files we found come from a different division of the company--one that targets users with promotions or ads based on the keywords those users search for on P-to-P networks or in other venues.
		The media files appear to run once the ads load, but they were devoid of video or music.
	www.pcworld.com /news/article/0,aid,119016,00.asp (1105 words)

	Nero [Nero 6 Ultra Edition - Nero Digital™ - SIPPS™ - Nero PhotoShow -=- Because technology counts!]
		This award-winning software has everything you need to manage all your digital media including audio, video, photo and data.
		Nero 6 Ultra Edition is the perfect addition to your digital lifestyle.
		Compress your favorite video material, your private home movies or DVD collection to only 20% of the original file size and enjoy the existing picture and sound quality.
	www.nero.com (184 words)

	Tools for Monitoring Video Quality on IP Networks
		IQMediaMonitor can measure all video streams in the GigE network simultaneously for MDI, jitter, delay, IP packet loss, bit rate and more with user configurable thresholds for logging and event notification.
		The IQMediaAnalyzer application displays and measures hundreds of live Video over IP streams on the network.
		Video payload statistics as well as record the streams for off line playback or analysis.
	www.ineoquest.com /page.php/id/164 (168 words)

	ELX.com.au (Australia) - Display Interfaces - Fundamentals & Standards, Myers - ISBN 0471499463 (Site not responding. Last check: 2007-09-15)
		Identifies the basic requirements and applications of all popular television and computer video interface standards, including the VGA and DVI personal computer display interfaces and the NTSC, PAL, and SECAM television broadcast systems.
		Looks to the future and considers the development of wireless display interfaces, virtual displays and the Digital Packet Video Link (DPVL).
		Presents an overview of the basic concepts in display systems, the workings of human vision and color science.
	www.elx.com.au /item/0471499463 (356 words)

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