Cliff Wootton's A practical guide to video and audio compression: from PDF

By Cliff Wootton

ISBN-10: 0240806301

ISBN-13: 9780240806303

Examine all approximately formats - how they paintings, in addition to layout and implementation with this finished, easy-to-use advisor to compression. After studying this booklet, it is possible for you to to arrange and distribute specialist audio and video on any platform together with streamed to the net, broadcast on-air, kept in PVRs, Burned onto CD-ROMs or DVDs, brought through broadband, or considered in Kiosk purposes, PDA units, and cellular phones.Key benefits:* examine from an award-winning technologist for a best media corporation who understands the way to clarify formats in phrases you could comprehend* This entry-level consultant comprises transparent reasons and hundreds and hundreds of diagrams - no math heritage wanted! additionally features a entire word list which serves as an invaluable connection with many technical phrases and jargon you are going to come across* how you can opt for the correct strategy to get the main from your compression procedure - saving either cupboard space and funds

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Additional info for A practical guide to video and audio compression: from sprockets and rasters to macroblocks

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Obviously, the more sophisticated they are, the more expensive the hardware. There is a natural convergence here, so that ultimately all of these capabilities may be found in a single generic device. 3 Video Phones The new generation of mobile-phone devices is converging with the role of the handheld personal digital assistant (PDA). These mobile phones are widely available and have cameras and video playback built in. They also have address books and other PDA-like applications, although these may be less sophisticated than those found in a genuine PDA.

7 Analog Off-Air PVR Devices A classic TiVo device works very hard to compress incoming analog video to store it effectively and provide trick-play features. The compression quality level can be set in the preferences. The compromise is space versus visible artifacts. At the lowest quality, the video is fairly noisy if the picture contains a lot of movement. This is okay if you are just recording a program that you don’t want to keep forever—for example, just a time shift to view the program at a different time.

4 Sports and News coverage Of all the different genres of content that broadcasters provide to end users, news and sports have some particularly important criteria that directly affect the way that video is compressed for presentation. Figure 2-7 shows an example of the BBC News Online video console that presents news video clips for broadband use in the United Kingdom. News and sports are both very information-rich genres. Archiving systems tend to be large in both cases because there is a lot of material available.

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A practical guide to video and audio compression: from sprockets and rasters to macroblocks by Cliff Wootton

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