BS-5550-4.4.1-1992 ISO-2404-1986.pdf
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1、BRITISH STANDARD BS 5550-4.4.1: 1992 ISO 2404:1986 Cinematography Part 4: 65 mm and 70 mm film Section 4.4 Sound Subsection 4.4.1 Specification for the location and dimensions of six-track magnetic sound records on 70 mm motion-picture release prints with magnetic stripes Licensed Copy: sheffieldun
2、sheffieldun, na, Mon Dec 04 13:29:43 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5550-4.4.1:1992 This British Standard, having been prepared under the direction of the Cinematography and Photography Standards Policy Committee, was published under the authority of the Standard Board and comes into
3、effect on 15 July 1992 BSI 10-1999 First published February 1980 Second edition July 1992 The following BSI references relate to the work on this standard: Committee references CPM/5 Draft for comment 85/44695 DC ISBN 0 580 20998 9 Committees responsible for this British Standard The preparation of
4、this British Standard was entrusted by the Cinematography and Photography Standards Policy Committee (CPM/-) to Technical Committee CPM/5, upon which the following bodies were represented: Association of Independent Cinemas British Broadcasting Corporation British Film and Television Producers Assoc
5、iation British Film Institute British Kinematograph, Sound and Television Society Broadcasting Entertainment and Cinematograph Technicians Union Cinematograph Exhibitors Association of Great Britain and Northern Ireland ITV Association Institute of Amateur Cinematographers Royal Photographic Society
6、 Amendments issued since publication Amd. No.DateComments Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 13:29:43 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5550-4.4.1:1992 BSI 10-1999i Contents Page Committees responsibleInside front cover National forewordii 1Scope and field of applicat
7、ion1 2Reference1 3Dimensions1 4Alignment of heads1 5Sound recording1 6Picture-sound displacement1 7Reproducing speed1 Figure2 Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 13:29:43 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5550-4.4.1:1992 ii BSI 10-1999 National foreword This revision o
8、f this Subsection of BS 5550 has been prepared under the direction of the Cinematography and Photography Standards Policy Committee. It is identical with ISO 2404:1986 Cinematography Six-track magnetic sound records on 70 mm striped release prints Locations and dimensions, published by the Internati
9、onal Organization for Standardization (ISO). This Subsection of BS 5550 supersedes BS 5550-4.4.1:1980, which is withdrawn. In reviewing ISO 2404:1979 (adopted as BS 5550-4.4.1:1980), the UK anticipated and supported the US proposals to change magnetic stripe widths, as given in clause 3. The UK requ
10、ested that magnetic heads be more accurately aligned, and that, in clause 4, “90 5” be changed to “90 3”. Other countries accepted this UK proposal, duly incorporated in this revision. Additional information. It should be noted that it is difficult to maintain the same distance from the film edge to
11、 the outer edge of the magnetic stripes. Liquid stripe lacquer is applied to a moving film base, and the resulting sound track has a slightly wavy edge. This dimension (given as F at one edge of the film and G at the other edge of the film in ISO 2404:1979, and given as B at each edge of the film in
12、 this revision) has been changed from 0.1 mm to 0.2 mm. NOTEThe latest edition of ISO 3023 is ISO 3023:1988; it was not published at the time of publication of ISO 2404:1986. ISO 3023:1988 was not adopted as a British Standard since it contained only editorial changes. A British Standard does not pu
13、rport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Cross-reference International StandardCorresponding British Standard IS
14、O 3023:1974BS 5550 Cinematography Subsection 4.1.1:1978 Specification for cutting and perforating dimensions of 65 mm and 70 mm motion-picture film (Identical) Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 and 2 and a back cover. This standard
15、 has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 13:29:43 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5550-4.4.1:1992 BSI 10-19991 1 Scope
16、 and field of application This International Standard specifies the locations and the width dimensions of magnetic stripes and recording and reproducing gaps of magnetic heads for six-track magnetic sound records on 70 mm striped release prints on safety base stock cut and perforated in accordance w
17、ith ISO 3023. 2 Reference ISO 3023, Cinematography 65 mm and 70 mm unexposed motion-picture film Cutting and perforating dimensions. 3 Dimensions The locations and width dimensions of magnetic stripes and gaps of magnetic heads shall be as shown in the Figure and as given in the table. NOTE 1 For re
18、ference only. NOTE 2The locations and width dimensions of magnetic stripes and recording gaps of magnetic heads are chosen on the assumption that the lateral film shrinkage is within the range of 0 to 0,2 % at the time of striping and/or recording. NOTE 3The locations of reproducing gaps of magnetic
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