Broadband Last Mile: Access Technologies for Multimedia by Nikil Jayant PDF

By Nikil Jayant

ISBN-10: 0824758862

ISBN-13: 9780824758868

Broadband final Mile: entry applied sciences for Multimedia Communications offers in-depth remedies of entry applied sciences and the purposes that depend on them or aid them. It examines suggestions and improvements alongside a number of dimensions in entry, with the overarching target of making sure that the final mile isn't the susceptible hyperlink within the broadband chain. Written through specialists from the tutorial and advertisement segments of the sphere, the book's self-contained sections deal with issues on the topic of the disciplines of communications, networking, computing, and sign processing.The middle of this therapy comprises modern studies of broadband pipes within the sessions of copper, cable, fiber, instant, and satellite tv for pc. It emphasizes the coexistence of those periods inside of a community, the significance of optical communications for remarkable bandwidth, and the pliability and mobility supplied via wireless.The ebook additionally comprises point of view at the more and more vital subject of community administration, delivering insights which are real whatever the nature of the pipe. The textual content concludes with a dialogue of newly rising purposes and broadband services.This booklet bargains an all-in-one therapy of the actual pipes and community architectures that make wealthy and more and more custom-made functions attainable. It serves as a worthwhile source for researchers and practitioners operating within the more and more pervasive box of broadband.

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Extra resources for Broadband Last Mile: Access Technologies for Multimedia Communications (Signal Processing and Communications)

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In terms of compression efficiency and error resilience. 24,25 The temporal redundancy is exploited by applying MC prediction and the spatial redundancy is exploited by applying the DCT; the color space redundancy is exploited by a color space conversion. The resulting DCT coefficients are quantized, and the nonzero quantized DCT coefficients are runlength and Huffman coded to produce the compressed bitstream. 2 ISO and ITU Compression Standards Compression standards provide a number of benefits, foremost of which is ensuring interoperability or communication between encoders and decoders made by different people or different companies.

Speech or music) and synthetic audio is computer-generated audio signals. Copyright © 2005 by Taylor & Francis Specifically, MPEG-4 audio is divided into algorithms for natural audio and algorithms for synthetic audio. To code natural audio, MPEG-4 includes a number of codecs, including parametric coder for 2 to 4 kbps speech at 8-kHz sampling rate or 4 to 16 kbps audio at 8- or 16-kHz sampling rate; CELP coder for speech at 6 to 24 kb/sec at 8 or 16 kHz for narrowband and wideband speech, respectively; and MPEG4 AAC and twin VQ for general audio signals over a broad range of bit rates.

In subjective tests, a large number of expert and/or nonexpert viewers/listeners view or listen to and evaluate the reconstructed quality of the media, and the final evaluation corresponds to some form of averaging of the individual evaluations. The evaluation is often performed using mean opinion scores (MOSs). In the absolute category rating (ACR) for evaluating speech coding, the quality of the speech is evaluated on an absolute scale of 5 to 1 (5 = excellent; 4 = good; 3 = fair; 2 = poor; and 1 = bad quality).

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Broadband Last Mile: Access Technologies for Multimedia Communications (Signal Processing and Communications) by Nikil Jayant

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