Introduction to Digital Video

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Juni 2001



An Introduction to Digital Video covers the essential fundamentals of digital video: from video principles, to conversion, compression, coding, interfaces and output. Written for television professionals needing to apply digital video systems, equipment, and techniques to multimedia and/or digital TV applications, as well as computer system designers, engineers, programmers, or technicians needing to learn how to apply digital video to computer systems and application. The text is based on the acclaimed industry 'bible' The Art of Digital Video, but covering only the essential parts of this larger reference work.


Introducing Digital Video: Video as data; What is a video signal?; Why binary?; Colour; Why digital?; Some digital video processes outlined; Time compression and expansion; Error correction and concealment; Product codes; Shuffling; Channel coding; Video compression and MPEG; Disk-based recorders; Rotary-head digital recorders; DVD and DVHS; Digital television broadcasting; Networks; References; Video Principles: The eye; Gamma; Scanning; Synchronizing; Bandwidth and definition; Aperture effect; Colour; Colour displays; Colour difference signals; Motion portrayal and dynamic resolution; Progressive or interlaced scan?; Binary codes; Introduction to digital logic; The computer; The processor; Timebase correction-rate conversion; Transforms and duality; The Fourier transform; The discrete cosine transform (DCT); Modulo-[i]n[r] arithmetic; The Galois field; The phase locked loop; References; Conversion: Introduction to conversion; Sampling and aliasing; Reconstruction; Aperture effect; Two-dimensional sampling; Choice of sampling rate; Jitter; Quantizing; Introduction to dither; Requantizing and digital dither; Basic digital-to-analog conversion; Basic analog-to-digital conversion; Oversampling; Gamma in the digital domain; Colour in the digital domain; References; Digital Video Processing: A simple digital vision mixer; Keying; Digital video effects; Graphics; Applications of motion compensation; Motion compensated standards conversion; De-interlacing; Noise reduction; References; Video Compression and MPEG: Introduction to compression; What is MPEG?; Spatial and temporal redundancy in MPEG; I and P coding; Bidirectional coding; Spatial compression; A bidirectional coder; Handling interlaced pictures; An MPEG-2 coder; The Elementary Stream; An MPEG-2 decoder; Coding artefacts; Processing MPEG-2 and concatenation; References; Digital Coding Principles: Introduction; Types of transmission channel; Transmission lines; Types of recording medium; Magnetic recording; Azimuth recording and rotary heads; Optical and Magneto-optical disks; Equalization and data separation; Slicing and jitter rejection; Channel coding; Simple codes; Group codes; Randomizing and encryption; Partial response; Synchronizing; Basic error correction; Concealment by interpolation; Parity; Block and convolutional codes; Cyclic codes; Introduction to the Reed-Solomon codes; Correction by erasure; Interleaving; Product codes; References; Disks in Digital Video: Types of disk; Magnetic disks; Accessing the blocks; Servo-surface disks; Winchester technology; The disk controller; Defect handling; RAID arrays; Disk servers; Optical disk principles; Focus and tracking systems; Structure of a DVD player; Non-linear video editing; The structure of a workstation; Locating the edit point; Editing with disk drives; References; Introduction to the Digital VTR: History of DVTRs; The rotary-head tape transport; Digital video cassettes; DVTR block diagram; Operating modes of a DVTR; Confidence replay; Colour framing; Timecode; Picture in shuttle; Digital Betacam; DVC and DVCPRO; The D-9 format; Digital audio in VTRs; AES/EBU compatibility; References; Digital Communication: Introduction; Production-related interfaces; SDI; SDTI; ASI; AES/EBU; Telephone-based systems; Digital television broadcasting; MPEG packets and time stamps; Program clock reference; Program specific information (PSI); Transport stream multiplexing; Broadcast modulation techniques; OFDM; Error correction in digital television broadcasting; DVB; ATSC; Networks; FireWire; Broadband networks and ATM; References.


John Watkinson is an independent international consultant in advanced applications of electronics to audiovisual and avionics systems. He is a Fellow of the AES, a member of the Society of Expert Witnesses, and the British Computer Society and is a chartered information systems practitioner. He presents lectures, seminars and training courses worldwide. He is the author of many other Elsevier books, including The Art of DigitalVideo, An Introduction to Digital Video, Convergence in Broadcast and Communications Media, Television Fundamentals and The Art of the Helicopter.


'An Introduction to Digital Video is an ideal starting point for students and technicians.' Edward Woods, University of Westminster.
EAN: 9780240516370
ISBN: 0240516370
Untertitel: 2 Rev ed. black & white illustrations. Sprache: Englisch.
Verlag: Taylor & Francis Ltd
Erscheinungsdatum: Juni 2001
Seitenanzahl: 470 Seiten
Format: kartoniert
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