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- Wireless Multimedia Communication Systems By K R Rao
- Multimedia Communication Systems: Techniques, Standards, Networks
- Multimedia Communications
- Multimedia Communications
Innovations in multimedia technology have truly revolutionized communication, transforming the definitions of text, audio, and visual information through hybrid combinations of these forms.
This book addresses the fundamentals of the major topics of the multimedia communication systems: audio-visual integration, multimedia processing in communications, distributed multimedia systems, multimedia communication standards and multimedia communications over networks. Please sign in to write a review. If you have changed your email address then contact us and we will update your details. Would you like to proceed to the App store to download the Waterstones App?
Wireless Multimedia Communication Systems By K R Rao
Abstract: In this paper, it is outlined that multimedia - an integrated and interactive presentation of speech, audio, video, graphics and text, has become a major theme in todays information technology that merges the practices of communications, computing and information processing into an interdisciplinary fields.
The challenge of multimedia communications is to provide services that integrate text, sound, image and video information and to do it in a way that preserves the case of use and interactivity. A brief description of elements for multimedia systems is presented.
User and network requirements are discussed together with pocket transfer concept. An overview of multimedia communication standards is given. The issues concerning multimedia digital subscriber lines are outlined together with multimedia over wireless, mobile and broadcasting networks as well as digital TV infrastructure for interactive multimedia services.
Keywords: multimedia, standard, network, communication, system, user, requirement, asynchronous transfer mode, terminal, Internet, protocol.
Introduction The past years have seen an explosion in the use of information from remote computers or servers, digital media. Industry is making significant investments multimedia information must travel through computer to deliver digital audio, image and video information to networks.
Since the amount of information involved in consumers and customers. A new infrastructure of digital the transmission of video and audio can be substantial, the audio, image and video recorders and players, on-line multimedia information must be compressed before it can services, and electronic commerce is rapidly being be sent through the network in order to reduce the deployed.
At the same time major corporations are communication delay. Constraints, such as limited delay converting their audio, image and video archives to an and jitter, are used to ensure a reasonable video and audio electronic form. Digital media offer several distinct effect at the receiving end. Therefore, communication advantages over analog media: the quality of digital networks are undergoing constant improvements, in order audio, image and video signals is higher than that of their to provide for multimedia communication capabilities.
Editing is easy because one can Local area networks are used to connect local computers access the exact discrete locations that should be changed. A copy of Internet connect the local area networks together.
Better digital media is identical to the original. Digital audio, standards are constantly being developed, in order to image and videos are easily transmitted over networked provide a global information superhighway over which information systems.
These advantages have opened up multimedia information will travel. Multimedia data machine-processable information expressed in multiple is informally considered as the collection of three M's: media, such as text, image, graphics, speech, audio, video, multi-source, multi-type and multi-format data.
The animation, handwriting, data files. With the advent of interactions among the multimedia components consist of high capacity storage devices, powerful and yet complex relationships without which multimedia would economical computer workstations and high speed be a simple set of visual, audio and other data.
The multimedia only technically but also economically feasible. In software and applications provide a direct interactive addition, the broadband integrated services digital environment for users.
Some glamorous applications on Force multimedia processing include: distance learning, virtual IP Internet Protocol library access and living books. Virtual library access Standardization means that we instantly have access to all of the published ISOC Internet Society material in the world, in its original form and format, and JPEG Joint Photographic Experts can browse, display, print and even modify the material Group instantaneously. The new paradigm of of multimedia networks. Trends towards multimedia BISDN application system as a result of the integration of communication are represented in Fig.
Much of the work on packet video has considered A multimedia communication model is strongly fairly homogenous networking scenario . It would be a influenced by the manufacturer-dependent solutions for proper if a single type of video service dominated in the personal computers and workstations including networks.
However, it is not a valid assumption for the application software on the one hand and by the traffic issues. First, video will not constitute a uniform intelligent network concept on the other [7,8,9,10]. A service with easily determined behavior and requirements. This means that multiplexing in the network should be evaluated for a heterogeneous mix of traffic types.
In business areas, there is a potential need for various kinds of new communication system, such as. Audio communication telephony, sound broadcasting,. New information Integration system paradigm. Multimedia Workstation, PC processing. Figure 2. User Transport User interface a interface. Processing, Transport User storage and b interface retrieval. Figure 3. The storage and retrieval distinct information types for the purpose of easier mechanisms involve browsing and searching to find communication, storing and processing.
This existing multimedia data. Also, storage and archiving in comprises data, video or audio taking into account order to move user-created multimedia data to the the integration of different information types not appropriate place for access by others.
Examples of being excluded. The second level which prepares and presents the information of interest, provides communication support on the basis of allows for the dynamic control of applications and information structure and information exchange provides a natural interface.
From a users point of view, building blocks for a large number of applications. With regards to the capability of the available resources Intelligent support of users taking into consideration in each case, the multimedia communication applications their individual capabilities, and must be scalable in order to run in a constant manner Standardization.
As it can be sean both of these modes have a lot of and also as being for residential, business or mobile use. The context in which multimedia services can be used is shown in Table1.
In the person-to-person mode shown in Fig. Services can some or all other user locations associated with the be for private or business use. The terminal and services communications. The user interface creates the are usually used in the office, the home, the car or a multimedia signal and allows users to interact with the public place.
Independence could be defined by the multimedia signal in an easy-to-use manner. The transport portability of the terminal and its independence of a given layer preserves the quality of the multimedia signals so infrastructure as perceived by the user. The degree of that all users receive what they perceive to be high-quality independence varies from one type of terminal to another.
Examples of applications for On the other hand, the degree of urgency, from the users the person-to-person mode are teleconferencing, point of view, determines whether the service should be videophones, distance learning and shared workspace provided in real time or an off-line service is sufficient.
In the person-to-machine mode, shown in A number of key requirements are common to the new Fig. Users should be able to access their services from Suitable standardizad services and supplementary any terminal mobile point of delivery service supporting multimedia applications.
Whereas traditional voice services already have these The requirements of applications regarding the characteristics, data services over the Internet including communications services can be divided into traffic and voice over data have typically been limited to basic bit functional requirements.
The traffic requirements transport, with no service guarantees, no guaranteed include transmission bandwidth delay and reliability. They depend on the used kind, number and quality of With new data service emerging, such as virtual the data streams.
The traffic requirements can be private networks VPN and interconnection service satisfied by the use of resource management between two network service providers, priorities in the mechanisms. They establish a relationship between data networking domain have to change. In order to transmitted data and resources and ensure that the resolve and build robust multimedia networks, it is audio-visual data are transmitted in a timely manner. This participating in the distributed applications, i.
Hence, resources must be reserved required to meet the new demands of future users. Also, and state must be created in these nodes, which it will enable operators to offer the sophisticated basically means that a connection is established.
The services currently provided for voice, in the multimedia functional requirements are multicast transmission and domain. These requirements depend on mature architectures with strong traffic management, the type of the application and on its usage scenario. For configuration capabilities, service platforms and well instance, a nonconversational application for the defined points of interconnection between the networks retrieval of audio-visual data has different needs then a of different operators.
A key requirement is that the conversational application for live audio-visual same high quality network services should exist when communication i. The usage building integrated networking platforms for voice, data scenario influences the criticality of the demands. From the network point of view, the most important A future multimedia network must be organized to requirements of multimedia communications are: support heavy traffic flows, a wide variety of service High speed and changing bit rates mixes, and different traffic patterns, both in terms of Several virtual connections over the same access routing the traffic efficiently and in terms of scaling for Synchronization of different information types overload.
Reliable security features hardware protocols. Furthermore, packet and firewalls must be in place for interworking between communication does not require users to allocate a fixed the many operators that will be competing in the market channel or bandwidth before data transmission.
Since a result of deregulation. Video signals are especially well suited for packet Todays fiber technology offers a transmission transmission. Images usually contain regions of high capability that can easily handle high bit rates like those detail and low detail as well as periods of rapid motion required for video transmission. This leads to the and little motion. Thus, effective video coders should be development of networks, which integrate all types of able to produce data streams with variable bit rates that information services.
By basing such a network on change with local characteristics . Packet networks packet switching, the services video, voice and data can carry variable bit rate VBR signals directly. No can be dealt with in a common format. Packet switching buffering or rate control feedback is necessary at the is more flexible than circuit switching in that it can transmitter. In addition, the networks are based on virtual circuit switching: all fixed size statistically multiplexing of variable rate services may packets of a circuit have the fixed route .
The tasks yield a higher utilization of the channel capacity than of packet video transfer over asynchronous time what is obtainable with fixed capacity allocation. Many division multiplexed network or Internet is to code and years ago, most of these arguments were verified in a transfer digital video signal under quality contrains as it number of projects [10,12,13,14] is shown in Fig.
In Internet protocol IP networks the Compared to circuit switching, packet switching packets are of variable length and there is no pre- offers dynamic allocation of bandwidths and switching established route, so they may arrive out of order at resources as well as the elimination of channel structure.
They can carry voice, video and data using the same. Users - transformation - data structuring routing - resynchronization - dequantization - quantization - overhead FEC - error detection - entropy decoding - entropy coding - retransmission - loss detection - inv. Figure 4 Digital video signal transport. The generic functions of network in packet transfer probabilistic guarantees a network must know its from source to user are routing and multiplexing. Multiplexing New connections are allowed if they can be guaranteed determines much of the transfer quality in the network the quality they request and their characteristics do not and is highly dependent of the traffic characteristics, the risk the quality of already accepted connections or quality requirements and users applications.
Statistical multiplexing with quality guarantees is the best choice for video transfer . This could make Every major advance in networking has been preceded the integration of all information types easier and provide by an advance in the user interface that has precipitated the necessary high bit rates.
Multimedia Communication Systems: Techniques, Standards, Networks
The challenge of multimedia communications is to provide services that integrate text, sound, image and video information and to do it in a way that preserves the case of use and interactivity. A brief description of elements for multimedia systems is presented. User and network requirements are discussed together with pocket transfer concept. An overview of multimedia communication standards is given. The issues concerning multimedia digital subscriber lines are outlined together with multimedia over wireless, mobile and broadcasting networks as well as digital TV infrastructure for interactive multimedia services. Keywords: multimedia, standard, network, communication, system, user, requirement, asynchronous transfer mode, terminal, Internet, protocol I.
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Bojkovic Dragorad A. Rao available from Rakuten Kobo. Rapid progress in software, hardware, mobile networks, and the potential of interactive media poses many questions for r. Rao holds a B. Bojkovic, Zoran S.
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Abstract: In this paper, it is outlined that multimedia - an integrated and interactive presentation of speech, audio, video, graphics and text, has become a major theme in todays information technology that merges the practices of communications, computing and information processing into an interdisciplinary fields. The challenge of multimedia communications is to provide services that integrate text, sound, image and video information and to do it in a way that preserves the case of use and interactivity. A brief description of elements for multimedia systems is presented.
Rao, Zoran S. Bojkovic, Dragorad A. Milovanovic , an e-book, 10 publication, hundreds publications, and also a lot more. Milovanovic as well as getting the message of guides, after that finding the various other following book to review.
Multimedia Communication Systems: Techniques, Standards, and Networks K. R. Rao, Zoran S. Bojkovic, Dragorad A. Milovanovic ebook PDF download.
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