By Cliff Wootton

ISBN-10: 0240806301

ISBN-13: 9780240806303

Study all approximately formats - 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 organize and distribute specialist audio and video on any platform together with streamed to the internet, broadcast on-air, saved in PVRs, Burned onto CD-ROMs or DVDs, added via broadband, or considered in Kiosk functions, PDA units, and cellular phones.Key benefits:* study from an award-winning technologist for a most sensible media corporation who understands how one can clarify formats in phrases you could comprehend* This entry-level advisor comprises transparent factors and 1000's of diagrams - no math heritage wanted! additionally incorporates a finished thesaurus which serves as an invaluable connection with many technical phrases and jargon you are going to stumble upon* tips on how to pick out definitely the right strategy to get the main from your compression method - saving either cupboard space and cash

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These include the following: ● ● ● ● ● Width in pixels Height in pixels Color depth Frames per second Scanning method (interlaced or progressive) Exposure time Camera Figure 4-2 Camera and projector shutter designs. Projector 46 A Practical Guide to Video and Audio Compression The width, height, and color depth dictate how much information you have to deal with per frame. Some of your pre-compression processing, such as cropping and scaling, is going to be based on what you know about these values.

The metadata associated with the content assists the searching process and also facilitates the digital rights management (DRM) process. The content is easily accessible and widely available, but the playback can be controlled. Video may need to be encrypted as well as encoded. Other technologies such as watermarking are used, and these present additional technical problems. This is all addressed in more detail in Chapter 18, where DRM is covered extensively. In general, the rights protection techniques that are available impose further loads on an already hardworking compression system.

The Apple laptop comes already installed with the iMovie video-editing software that is sufficient to edit and then burn a DVD (with the iDVD application). You can walk out of the store with it and start working on your movie project right away. Of course, there are alternative software offerings, and other manufacturers’ laptops support the same functionality. Sony VAIO computers are very video capable because they are designed to complement Sony’s range of cameras, and the Adobe Premier and Avid DV editing systems are comparable to the Apple Final Cut Pro software if you want to use Windows-based machines.

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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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