BS 5550-3 4 8-1986 Cinematography - 35 mm film - Sound - Specification for the lateral positions and width dimensions of two-track negative photographic sound records on 35 mm moti.pdf

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1、BRITISH STANDARD BS 5550-3.4.8: 1986 Cinematography Part 3: 35 mm film Section 3.4 Sound Subsection 3.4.8 Specification for the lateral positions and width dimensions of two-track negative photographic sound records on35mm motion-picture film UDC 778.5.068.26:778.534.45.068BS5550-3.4.8:1986 This Bri

2、tish Standard, having been prepared under the directionof the Cinematography and Photography Standards Committee, was published underthe authority of the Board ofBSI and comes into effect on 31 July 1986 BSI 10-1999 The following BSI references relate to the work on this standard: Committee referenc

3、e CPM/5 Draft for comment 85/35609 DC ISBN 0 580 15263 4 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Cinematography and Photography Standards Committee (CPM/-) to Technical Committee CPM/5, upon which the following bodies were repres

4、ented: Association of Cinematograph, Television and Allied Technicians Association of Independent Cinemas British Broadcasting Corporation British Film and Television Producers Association British Film Institute British Kinematograph, Sound and Television Society Cinematograph Exhibitors Association

5、 of Great Britain and Ireland Independent Television Companies Association Institute of Amateur Cinematographers Royal Photographic Society Amendments issued since publication Amd. No. Date of issue CommentsBS5550-3.4.8:1986 BSI 10-1999 i Contents Page Committees responsible Inside front cover Forew

6、ord ii 1 Scope 1 2 Positions and dimensions 1 3 Sound records 1 4 Track usage 1 Figure 1 Positions of the track records 1 Table 1 Dimensions 2 Publications referred to Inside back coverBS5550-3.4.8:1986 ii BSI 10-1999 Foreword This Subsection of BS5550 has been prepared under the direction of the Ci

7、nematographic and Photographic Standards Committee and applies to raw stock cut and perforated in accordance with BS5550-3.1.1. Because imperial film dimensions are still widely used in the UK, it was considered necessary to list the equivalent imperial film dimensions alongside the metric film size

8、s. A British Standard does not purport 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. Summary of pages This document compris

9、es a front cover, an inside front cover, pages i and ii, pages1 and 2, an inside back cover and a back cover. This standard 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.BS5550-3.4.8:1986 BSI 10

10、-1999 1 1 Scope This Subsection of BS5550 specifies the lateral positions and width dimensions of original two-track negative photographic sound records on35mm motion-picture film and applies to raw stock cut and perforated in accordance with BS5550-3.1.1. NOTEThe titles of the publications referred

11、 to in this standard are listed on the inside back cover. 2 Positions and dimensions The positions and dimensions of the two sound records shall be as shown inFigure 1 and given inTable 1 for100% modulation. NOTEThe values of the positions and width dimensions given in the table have been arrived at

12、 so that the final print produced from the negative will comply with BS5550-3.4.7. 3 Sound records 3.1 Channel 1 shall be recorded on the inside track nearest to the picture, and channel2 shall be recorded on the outside track nearest to the reference edge of the film. 3.2 The recording slit images

13、shall be positioned in line at an angle of90 5 to the reference edge of the film. 4 Track usage When used for stereophonic material, track1 shall be used for the left hand channel information and track2 shall be used for the right hand channel information. NOTE 1The two tracks may also be used for u

14、nrelated material such as two languages. NOTE 2It is recommended that the container of a negative having two sound records should be labelled with the track usage. NOTEThe film is shown with the photo layer away from the observer. Figure 1 Positions of the track recordsBS5550-3.4.8:1986 2 BSI 10-199

15、9 Table 1 Dimensions mm in A (min.) 5.20 0.205 B 6.04 0.025 0.238 0.001 C 6.30 0.025 0.248 0.001 D (max.) 7.14 0.281BS5550-3.4.8:1986 BSI 10-1999 Publications referred to BS 5550, Cinematography. BS 5550-3.1.1, Specification for cutting and perforating dimensions of35mm motion-picture film and magne

16、tic film. BS 5550-3.4.7, Specification for the lateral positions and width dimensions of two-track photographic sound records on35mm motion-picture prints. BS 5550-3.4.8: 1986 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for

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