ITU-R BR 1530-2001 Guide to Recommendations on the Use of Film in Television《电视中胶片使用的建议指南》.pdf
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1、.- i . . . .* . _. - ,., . Rec. ITU-R BR.1530 1 RECOMMENDATION ITU-R BR. 1530 Guide to Recommendations on the use of film in television (Question ITU-R 240/11) (2001) The ITU Radiocommunication Assembly, considering a) that programmes on film are often used in television operation; b) technical appr
2、oaches; that the television use of programmes on film benefits from the application of appropriate c) of programmes on film, such as: - that such approaches concern various aspects of the generation, archival and broadcasting the framing and characteristics of images on the film; - - - - - the chara
3、cteristics of film soundtracks and their allocation to the various audio components; the identification of the content and of the sequence of film reels; the leaders and trailers for such film reels (sound and image); the methods for quality evaluation of programmes on film; the conditions for mediu
4、m and long term storage of film programes in broadcasters archives, required to achieve adequate preservation of their progra - the transfer to video tape of archived films that may be reaching the end of their archive life; - the image areas to be scanned by telecine on programme films according to
5、 their broadcast use; - the presentation of film programmes in the various image formats currently used in television broadcasting; the audio treatment for films with stereo, multitrack, matrixed and companded sound; - d) on film, that the ITU-R has issued several Recommendations on the television u
6、se of programmes recommends 1 that, when broadcasting programmes that are available on film, broadcasters should base their operation on the Recommendations detailed in Annex 1, in order to achieve uniformly optimal results. 57 2 BR. 12 19 BR. 1287 Rec. ITU-R BR1530 Handling and storage of cinematog
7、raphic film recording Broadcasting of programmes on film with multichannel sound ANNEX 1 BR.1355 BR. 1374 Guide to ITU-R Recommendations on the use of film in television Viewing condition for telecine transfer of film images on a television display Scanned area dimensions from 16 mm and 35 mm cinema
8、tographic film used in television This Annex is intended to be a users guide on the application of all the ITU-R Recommendations in the BR Series, on the use of film in television. I BR.1422 It indicates which Recommendations should be applied to solve specific operational problems that broadcasters
9、 could meet when producing, archiving and broadcasting programmes available in the form of films. Operational practices for television use of film soundtracks encoded with noise reduction and matrix surround It should be noted that IT-R Recommendations are constantly updated to reflect new technolog
10、ies as well as new approaches or requirements. This Annex makes reference to ITU-R Recommendations by only giving their basic number, to indicate that the reference applies to the most recent version of each Recommendation. BR.1441 The list below is an index of the Recommendations of the ITU-R relat
11、ed to technical specifications and operational methods applicable to the television use of programmes on film: Compromise scanned area dimensions for television from 35 mm wide-screen films Recommendation 1 ITU-R Title Standards for the international exchange of programmes on film for television 1 u
12、se Basic operating practices for international exchange of film programmes* Basic technical specifications and operating practices to be applied to the international exchange of programmes on film are given in Recommendation ITU-R BR.265 - Standards for the international exchange of programmes on fi
13、lm for television use. * International programme exchange is defined as the transmission of television or sound programme material (or components thereof) among professional parties in different countries. It should be based on internationally agreed and widely employed technical standards or operat
14、ing practices, except by prior bilateral agreement among the parties involved. 58 Rec. ITU-R BR.1530 3 I The Recommendation specifies: - - - - - - - the types of film and soundtrack recommended for international programme exchange; the preferred characteristics, such as the colour balance of image f
15、ilms; the dimensions standardized for the various films and for the images recorded on them; the leaders and trailers to be used on films for intemational programme exchange; the minimum information to be provided with exchanged film programmes; the standardized characteristics of optical and of mag
16、netic soundtracks for such films; the allocation of such tracks to the various sound components of the film programme. Archival of film programmes Appropriate guidelines on the handling and storage of programmes that broadcasters archive on cinematographic film are provided in Recommendation ITU-R B
17、R. 12 19 - Handling and storage of - cinematographic film recording. The guidelines are based on the consideration that: - - film programmes are often archived for a very long period of time; during archival storage they may be reused many times to transfer the programme from film onto tape; proper
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