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By
John Watkinson, Reading, UK
International consultant in audio, video and data recording.
Description
Convergence in Broadcast and Communications Media offers concise and accurate information for engineers and technicians tackling products
and systems combining audio, video, data processing and communications. Without adequate fundamental knowledge of the core technologies,
products could be flawed or even fail. John Watkinson has provided a definitive professional guide, designed as a standard point of reference
for engineers, whether you are from an audio, video, computer or communications background.
Without assuming any background and starting
from first principles, the four core technologies of image reproduction, sound reproduction, data processing and communications are described.
Covering everything from digital fundamentals to conversion methods, sound and image technologies, compression techniques, digital coding
principles, storage devices and the latest communications systems, the book shows how these technologies operate together and the necessary
conversions that take place between them. Acronyms and buzzwords are introduced only after their purpose has been described in plain
English - as the book serves to give a reliable grasp of the fundamentals. The criteria involved in determining image and sound quality
are based on a thorough treatment of the human senses, a unique description of how motion portrayal works in managing systems.
John
Watkinson is an international consultant in audio video and data recording. He is a Fellow of the AES, a member of the British Computer
Society and a chartered information systems practitioner. He presents lectures, seminars, conference papers and training courses worldwide
and writes for many industry magazines. His other books for Focal Press are widely acknowledged as standard reference works and industry
`bibles'. John is author of MPEG2, The Art of Digital Video and the Art of Digital Audio, An Introduction to Digital Video, An Introduction
to Digital Audio, The Art of Sound Reproduction, Television Fundamentals, Co-author of The Digital Interface Handbook and Contributor
to The Loudspeaker and Headphone Handbook.
Audience
Audio, video, broadcast, computer and communications engineers and technicians. Students on media technology and communications courses.
Contents
1.Introduction to convergent systems:
What this book is about, Why binary?, Conversion, Integrated circuits, Storage technology, Noise
and probability, Time compression and expansion, Error correction and concealment, Channel coding, Compression; JPEG and MPEG, Convergence
and commercial television, Electronic cinema.
2. Digital Processing Principles:
Introduction, Logic elements, Storage elements, Binary
coding, Gain control, Floating-point coding, Modulo-[i] n [r] arithmetic, The Galois Filed, The phase- locked loop, Timebase correction,
Programmers, The Computer, The processor, Interrupts, Programmable timers, Memory management, The human interface, DSP, Multiplexing
principles, Packets, Statistical multiplexing, Networks.
3. Filters and transforms:
Introduction, Transforms, Convolution, FIR and IIR
filters, FIR filters, Sampling-rate conversion, Transforms and duality, The Fourier transform, The discrete cosine transform (DCT), The
wavelet transform, References.
4. Sampling:
Introduction, Sampling, Reconstruction, Aperture effect, Sampling clock jitter, Quantizing,
Quantizing error, Introduction to dither, Requantizing and digital dither, Dither techniques, Basic digital-to-analog conversion, Basic
analog-to-digital conversion, References.
5. Sound:
Introduction, The deciBel, Audio level metering, The ear, Level and loudness, Frequency
discrimination, Music and the ear, The physics of sound, How sound is radiated, Acoustics, Directionality in hearing, Microphone principles,
Microphone, mechanisms, Stereo and surround sound, Stereo and surround microphones, M-S stereo, Digitising audio, Audio convertors, Oversampling
in audio, Noise shaping, References.
6. Light:
Introduction, What is Light? Sources of light, Optical principles, Photometric units,
MTF, contrast and sharpness, The human visual system, The eye, Gamma, Motion portrayal and dynamic resolution, Background strobing and
frame rate, Colour, Colour vision, Colorimity, The CIE chromaticity diagram, Whites, Colour matching functions, Choice of primaries,
References.
7. Image portrayal:
Introduction, Film, Spatial sampling, Spatial aperture effect, Spatial oversampling, Temporal aperture
effects, Analog video, Synchronizing, Bandwidth and definition, Interlace, Colour television, Constant luminance, Analog colour television
signals, Digital colour signals, Digital colour space, Telecine, Conversion between television and computer formats, The importance of
motion compensation, Motion-estimation techniques, Motion-compensated picture rate conversion, Motion-compensated telecine system, Camera
shake compensation, Motion-compensated de-interlacing, Aspect ratios, References.
8. Displays and Loudspeakers:
Display principles,
The monochrome CRT, The colour CRT, The projection CRT, Plasma displays, Scanning lasers, Micromirror projectors, Temporal effects, Display
processors, Optical filtering, Loudspeaker principles, Loudspeaker mechanisms, Directivity, The moving-coil speaker, Low-frequency reproduction,
Crossover networks, Enclosures, Active loudspeakers, Loudspeaker criteria for stereo and surround sound, References.
9. Compression:
Introduction to compression, Compression standards, Profiles levels and layers, Spatial and temporal redundancy in MPEG, [i] I[r] and
[I] P [r] coding, Bidirectional coding, Coding applications, Spatial compression, Scanning and run-length/variable-length coding, A bidirectional
coder, Slices, Handling interlaced pictures, An MPEG-2 coder, Coding artifacts, Processing MPEG-2 and concatenation, Audio compression,
Sound quality measurement, Audio compression tools, Sub-band coding, Compression formats, MPEG audio compression, MPEG Layer I, MPEG
Layer II, MPEG Layer III, MPEG-2 AAC, Dolby AC-3, References.
10. Digital coding principles:
Introduction, Types of communication 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 interoperation, Parity, Block and convolutional codes, Cyclic
codes, Introduction to the Reed-Soloman codes, Correction by erasure, Interleaving, Product codes, References.
11. Storage devices:
Introduction, Disk storage, Magnetic disks, Accessing the blocks, Servo-surface disks, Winchester technology, The disc controller, Defect
handling, RAID arrays, Disk servers, Optical disk principles, Focus and tracking systems, Structure of a DVD player, Digital video tape,
The rotary head tape transport, Digital video cassettes, DVTR block diagram, Picture in shuttle, DV and DVCPRO.
12. Communication systems:
Introduction, Production-related interfaces, SDI, SDTI, ASI, AES/EBU, Telephone based systems, Digital television broadcasting, MPEG
packets and time stamps, Program Specific Information (PSI), Transport stream multiplexing, Remultiplexing, Broadcast modulation techniques,
OFDM, Error correction in digital television broadcasting, DVB, The DVB receiver, ATSC, Networks, Network arbitration, FireWire, Broadband
networks and ATM, ATM AALs, References.
| Bibliographic details |
Hardbound, 747 pages, publication date: APR-2001
ISBN-13: 978-0-240-51509-0
ISBN-10: 0-240-51509-9
Imprint: FOCAL PRESS
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| Price and Ordering |
Price:
USD 128
EUR 104
GBP 72
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Last update: 26 Sep 2008
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