A Practical Guide to Video and Audio Compression: From by Cliff Wootton

By Cliff Wootton

Study all approximately Codecs--how they paintings, in addition to layout and implementation with this complete, easy-to-use consultant to compression. After analyzing this ebook, 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, added by means of broadband, or seen in Kiosk functions, PDA units, and cellphones.

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22 A Practical Guide to Video and Audio Compression Figure 2-6 Online casino example. Source: copyright © Diogo Salari. to anyone who wants to dial in and watch. Virtualizing a pack of cards is possible by simulating the cards on the screen, and a video-conferencing system could be used to enable observation of facial expressions of the other players in the game. 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.

There are complex rights issues attached to home digital-recording technology, and it is in constant evolution. com/ Why Video Compression Is Needed 33 Figure 2-10 Pace PVR2GO. Source: courtesy of Pace Micro Technology. 9 Mobile PVR Solutions Another interesting product was demonstrated by Pace at the International Broadcasting Convention (IBC) in 2004. It was a handheld PVR designed to record material being broadcast using the DVB-H mobile-TV standard. 264 codec and a working DRM solution brings us very close to a system that could be rolled out very soon.

The challenge is to adapt this for other situations and maintain a totally synchronized remote experience. Video compression is a critical technology that allows multiple simultaneous camera views to be delivered over long distances. This will also work well for MRI, ultrasound, and X-ray-imaging systems that could all have their output fed in real time to a remote surgeon. The requirements here are for very high resolution. Xray images need to be digitized in grayscale to increased bit depths and at a much higher resolution than TV.

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