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Broadcasting Convention, 1995. IBC 95., International

Date 14-18 Sep 1995

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Displaying Results 1 - 25 of 96
  • The development of an upgraded SPECTRE modem for UK based field trials and tests

    Publication Year: 1995 , Page(s): 109 - 116
    Cited by:  Patents (2)
    Click to expandAbstract | PDF file iconPDF (252 KB)  

    Within the SPECTRE (Special Purpose Extra Channels for Terrestrial Radiocommunication Enhancements) project the paper describes the operation of the SPECTRE-II digital terrestrial transmission modem. The operation of the SPECTRE-II modem incorporates many of the features recommended in the draft specification for terrestrial broadcasting undergoing evaluation within the DVB (digital video broadcas... View full abstract»

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  • New control solutions for existing problems

    Publication Year: 1995 , Page(s): 290 - 293
    Click to expandAbstract | PDF file iconPDF (228 KB)  

    The author discusses the provision of a flexible work environment for control, monitoring and automation. Control solutions for the automation market based on open systems are examined. The divergence of the computer and telecommunication market into the broadcast arena has provided off-the-shelf components for many control applications. The task of the control solution provider has become very mu... View full abstract»

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  • Disks, broadcasting, automation and the demise of tape

    Publication Year: 1995 , Page(s): 500 - 504
    Click to expandAbstract | PDF file iconPDF (260 KB)  

    There have been changes in the television broadcasting industry brought on by politics, commercial pressure and technological advancements. Whereas it was the norm for a television company to be a self-contained programme producer and broadcaster, many operations are now centralising on the concept of being multichannel programme publishers, with the majority of production being acquired from inde... View full abstract»

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  • Design and performance of a variable-rate QAM modem for digital cable television

    Publication Year: 1995 , Page(s): 178 - 183
    Cited by:  Papers (3)  |  Patents (3)
    Click to expandAbstract | PDF file iconPDF (348 KB)  

    The paper presents the design and performance of a quadrature amplitude modulation (QAM) modem for digital cable TV broadcasting. The modem fully complies with the European DVB standard and includes a number of additional features. The most distinctive feature is that this fully-digital modem offers a variable symbol rate and handles all modulation schemes from 16-QAM up to 256-QAM. It also includ... View full abstract»

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  • Converting the BBC's analogue-based broadcasting network to the digital telecommunications domain

    Publication Year: 1995 , Page(s): 470 - 475
    Click to expandAbstract | PDF file iconPDF (364 KB)  

    For the last 25 years the BBC's vision contribution and distribution networks, and network radio distribution have been provided by a combination of BT analogue circuits of various types, supplemented by BBC analogue radio links. The authors discuss the stages involved in the BBC upgrading its network. Cost control strategies and pilot projects undertaken are outlined. The BBC tendered to 6 PTOs f... View full abstract»

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  • Media management and control of video disks

    Publication Year: 1995 , Page(s): 310 - 315
    Cited by:  Patents (2)
    Click to expandAbstract | PDF file iconPDF (380 KB)  

    With the introduction of video disk technology, tapeless broadcasting has become a reality. In order to maximise the effectiveness of this new technology, control software to manage the recording, retrieval, playout and archiving of material has been required. Such software has now been developed and installed in Europe. This paper discusses Logica's experiences in the control of video disks and i... View full abstract»

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  • Improved motion estimation for MPEG coding within the RACE `COUGAR' project

    Publication Year: 1995 , Page(s): 238 - 243
    Click to expandAbstract | PDF file iconPDF (428 KB)  

    The COUGAR project (an EC-funded project within the RACE programme) is studying the use of high-quality motion estimation methods to provide vectors and other control information for the MPEG-2 coder being developed in the project. It is hoped that the use of a motion estimator, optimized to produce `true' motion vectors, will lead to higher quality pictures compared to the use of a simple `best m... View full abstract»

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  • Performance of an ATM network with multimedia traffic-a simulation study

    Publication Year: 1995 , Page(s): 263 - 268
    Click to expandAbstract | PDF file iconPDF (388 KB)  

    The asynchronous transfer mode (ATM) allows real-time (RT) and non-real-time (non-RT) traffic to share the same network. These traffic types have different characteristics and requirements. This paper investigates different network access policies for an ATM network with heterogeneous traffic. The performance of a single queue model is examined and compared to the performance of a dual queue model... View full abstract»

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  • Optical broadband network for TV contribution in Zagreb-Croatia

    Publication Year: 1995 , Page(s): 476 - 481
    Click to expandAbstract | PDF file iconPDF (252 KB)  

    The use of optical fiber in the television distribution local network in Zagreb brings for users better transmission quality, low loss, high bandwidth propagation characteristics, potentially, access protection facilities and open outlook to accommodate changing requirements. The development of such high-performance transmission systems has been made possible by the use of the latest technologies,... View full abstract»

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  • Using hybrid fibre-coax networks for demand and inter-active services

    Publication Year: 1995 , Page(s): 316 - 331
    Click to expandAbstract | PDF file iconPDF (768 KB)  

    Of particular interest to traditional and new cable television network operators, currently owning or building broadband delivery networks to provide broadcast television services, is the development of the network to service demand oriented and interactive voice, video, and data services over the broadband infrastructure. As these services represent a potential competitive advantage in the future... View full abstract»

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  • A digital audio production system

    Publication Year: 1995 , Page(s): 202 - 207
    Click to expandAbstract | PDF file iconPDF (316 KB)  

    The digital broadcast studio has awaited for some time an audio production system capable of handling large-scale events. The key is the capacity to handle a very large number of inputs & outputs without the need for a complex and expensive matrix switcher. In the system described, digital signals are bundled into high-capacity serial links that join physically remote I/O resources with 95 cha... View full abstract»

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  • Virtual economics: calculating the I-Way

    Publication Year: 1995 , Page(s): 357 - 360
    Click to expandAbstract | PDF file iconPDF (284 KB)  

    A new type of product has entered the marketplace. In its best known form, the computer program, the virtual product is to be found in shops and mail-order catalogues. The virtual product is beginning to replace whole industries. An exact list of which industries are to change and how that change will affect them is not possible, though broadcasters and publishers are often cited as being the firs... View full abstract»

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  • Broadcast quality video over SDH networks; eradicating sub carrier corruption due to pointers

    Publication Year: 1995 , Page(s): 269 - 273
    Cited by:  Patents (2)
    Click to expandAbstract | PDF file iconPDF (340 KB)  

    The Synchronous Digital Hierarchy (SDH) has been developed to meet the demands of future networks in providing a transport infrastructure as a common platform for the building of diverse networks. The largest of these is telephony, but the SDH system was intended to be the backbone for broadband networks such as ATM (asynchronous transfer mode) and broadcast television. This paper examines how the... View full abstract»

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  • A magneto-optical video disk recorder for 625/50 digital component signal

    Publication Year: 1995 , Page(s): 482 - 487
    Click to expandAbstract | PDF file iconPDF (260 KB)  

    A magneto-optical (MO) video disk recorder for 625/50 digital video signals and 4 channel digital audio signals has been developed. Using a φ30 cm MO disk, more than 30 minutes digital recording has been achieved with an optical head at 680 nm wavelength LD, (1,7)RLL code, 3-level Viterbi detection, CWL-CAV method, and data compression. When this recorder system is used for editing video progr... View full abstract»

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  • High capacity digital switched fiber optic networks

    Publication Year: 1995 , Page(s): 464 - 469
    Click to expandAbstract | PDF file iconPDF (280 KB)  

    Television operations require increasing numbers of video transmission circuits to meet requirements such as new program sources, centralized transmission facilities and fast circuit availability. Fiber optic systems can meet these demands but require efficient use of both the optical fibers and associated terminal equipment. Circuit switching is a flexible, simple method to access and route large... View full abstract»

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  • Practical satellite news gathering using compressed video

    Publication Year: 1995 , Page(s): 570 - 575
    Cited by:  Papers (1)
    Click to expandAbstract | PDF file iconPDF (384 KB)  

    The commercial introduction of practical video compression equipment has enabled operational digital satellite news gathering [DSNG] to develop with a number of advantages over analogue methods. These include space segment cost savings as well as a reduction in the size and bulk of a typical system. Successful applications of digital transmission and compression on satellites, including DSNG, have... View full abstract»

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  • Video and audio on demand-today's CATV networks on their way to interactive communications networks

    Publication Year: 1995 , Page(s): 332 - 337
    Click to expandAbstract | PDF file iconPDF (392 KB)  

    In digital TV, technology has progressed to a stage where concepts and ideas can be implemented straight away. The adoption of MPEG-2 as a world standard has laid the foundations for the global transmission of compressed digital video and audio services. In order to test the technology, its effectiveness and acceptance among the users the Deutsche Telekom AG is planning to set up a number of pilot... View full abstract»

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  • Desktop video post-production: the reality of its use in the UK. An analysis of the expansion in use of desktop video post-production in the UK, across the broadcast and corporate video sectors

    Publication Year: 1995 , Page(s): 208 - 212
    Click to expandAbstract | PDF file iconPDF (304 KB)  

    An analysis is given of the expansion of desktop video post-production in the UK, across the broadcast and corporate video sectors. A majority of the desktop video systems in the UK favour a future for post-production based on simple to use, intuitive software interfaces with instant access to video and audio data, and no VTR pre-roll times during a long edit. Quantel has dominated the high cost u... View full abstract»

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  • Spatial prediction in scalable video coding

    Publication Year: 1995 , Page(s): 244 - 249
    Cited by:  Papers (2)  |  Patents (46)
    Click to expandAbstract | PDF file iconPDF (352 KB)  

    Spatial scalability allows the transmission of images at different levels of resolution in a single bit stream, offering potential spectrum savings with respect to simulcast transmission. The authors consider a two-layer MPEG-2 system which uses spatial scalability to transmit a conventional television signal as a base layer, and an HDTV signal as an enhancement layer or alternatively a convention... View full abstract»

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  • Evaluating public policy options for implementing digital terrestrial television: the challenges of transition

    Publication Year: 1995 , Page(s): 447 - 452
    Click to expandAbstract | PDF file iconPDF (436 KB)  

    The authors elaborate some public policy issues surrounding the widespread adoption of digital communication technology, in particular digital terrestrial television. First, they identify the important economic benefits of digitisation. These benefits, alongside the recognition that market forces cannot bring about the digital revolution unassisted, ultimately justify the need for governmental int... View full abstract»

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  • Digital terrestrial television-commercial issues of multiplex operation

    Publication Year: 1995 , Page(s): 415 - 420
    Click to expandAbstract | PDF file iconPDF (500 KB)  

    One of the major issues now exercising the television industry is how new digital services should be introduced, how they should be allocated between existing broadcasters and new entrants and how they should be regulated. The allocation of the multiplex of services that can be provided in the 20 Mbit/sec on one UHF channel is a key issue in the introduction of digital terrestrial television (DTT)... View full abstract»

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  • Terrestrial transmission of DTVB signals-the European specification

    Publication Year: 1995 , Page(s): 79 - 84
    Cited by:  Papers (7)  |  Patents (2)
    Click to expandAbstract | PDF file iconPDF (352 KB)  

    Considering the developments of the collaborative R&D projects dTTb, HD-DIVINE and HDTVT this paper describes the specification for a European, terrestrial DTVB system, which has been drafted under the umbrella of the European DVB project. This system has been designed to meet the user requirements established by the terrestrial commercial module (TCM) of DVB concerning f... View full abstract»

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  • Getting the job done. How hybrid systems can increase your studio's productivity

    Publication Year: 1995 , Page(s): 361 - 365
    Cited by:  Patents (1)
    Click to expandAbstract | PDF file iconPDF (316 KB)  

    Professional video production with its studios, post-production facilities, AV departments in companies (corporate AV), ad agencies, and other service companies are going through four major changes. These changes are: from analogue to digital editing, linear tape to nonlinear hard disk editing, hardware to software, and online instead of offline. The author discusses these changes and goes on to c... View full abstract»

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  • Provision of uplink and transmission facilities for Australia's digital satellite subscription television service

    Publication Year: 1995 , Page(s): 524 - 529
    Click to expandAbstract | PDF file iconPDF (364 KB)  

    In 1992 Optus Communications became the second Australian telecommunications carrier, taking over the previously government owned AUSSAT in the process. It inherited two A series craft (Hughes HS 376) and one B series (Hughes HS 601) satellite. The satellites provide domestic interconnections to all five television networks as well as remote area direct to the home services. The system technology ... View full abstract»

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  • Operational experiences of the digital video cache and its role in the development of the television local area network

    Publication Year: 1995 , Page(s): 505 - 511
    Click to expandAbstract | PDF file iconPDF (388 KB)  

    There have been very rapid developments in the operational use of digital television. The author presents some experiences of using digital storage in practice, and shows how these principles may be applied in the future. Where a station is generating its own productions, the input stages will be studios or outside broadcast facilities. Live events will pass through the system directly to an outpu... View full abstract»

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