ITU-R BR 785-1-2001 Release of Programmes in a Multiple Release Media Environment《在若干发布媒体环境中的节目的发布》.pdf
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1、Rec. ITU-R BR.785-1 1 RECOMMENDATION ITU-R BR.785-1 The release of programmes in a multiple release media environment (1 992-200 1) The ITU Radiocommunication Assembly, considering that television programmes can be produced for release on a variety of media; that end-user television installations ca
2、n desirably be conceived to use programmes that the same concept applies to audio programmes and audio end-user installations; that there is a need to ensure harmonization of standards between programme generation that the terms of the ITU-R cooperation with the IEC and the IS0 are described in reco
3、mmends 1 that, when television or sound programmes are produced for multiple release media, the programme quality should be commensurate with the quality capability of the most demanding release medium envisaged; 2 that, when television or sound programmes are only produced for a given service, the
4、quality capability of the various elements in the total chain from production to presentation should be commensurate with the quality capability of the intended service; 3 that production facilities as well as consumer equipment should use harmonized technical standards whenever possible and appropr
5、iate, for broadcast and for non-broadcast applications. NOTE 1 - information on a multiple release media environment is given in Annex 1. a) b) delivered through a variety of media; cl d) e) Opinion 16 and Resolution ITU-R 4 1 , - and programme presentation; ANNEX 1 The release of programmes in a mu
6、ltiple release media environment 1 Introduction The development of audiovisual media has progressed in a way that makes it more necessary than ever to harmonize the standardization that takes place in the ITU-R, the IEC, and in the IS0 respectively. The increasing integration of film and electronic
7、methods in the production of programmes for both broadcasting and cinema release must be considered in the distribution of the work. Account must therefore be taken of the important work of the IS0 regarding standards for the production and distribution of programmes on film. The terms of cooperatio
8、n among the ITU-R, the IS0 and the IEC are covered in Opinion 16 and Resolution ITU-R 4 1. 27 2 Rec. ITU-R BR.785-1 2 The multiple release media environment It is recognized that the IEC has a wide field of action, extending well outside the broadcast equipment field, whilst Radiocommunication Study
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