BS-5550-2.4.4-1980 ISO-4242-1980.pdf
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1、BRITISH STANDARD BS 5550-2.4.4: 1980 ISO 4242:1980 Cinematography Part 2: 16 mm film Section 2.4 Sound Subsection 2.4.4 Specification for positions and width dimensions of recording head gaps for two sound records on 16 mm magnetic film UDC 778.5.068.25:778.534.455:681.84.083.82 Licensed Copy: sheff
2、ieldun sheffieldun, na, Mon Dec 04 13:23:34 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5550-2.4.4:1980 This British Standard, having been prepared under the direction of the Cinematograph Standards Committee, was published under the authority of the Executive Board and comes into effect on 31 Dec
3、ember 1980 BSI 10-1999 The following BSI references relate to the work on this standard: Committee reference CMS/23 Draft for comment 75/62490 DC ISBN 0 580 11771 5 Cooperating organizations The Cinematograph Standards Committee, under whose direction this British Standard was prepared, consists of
4、representatives from the following: Association of Cinematograph, Television and Allied Technicians Association of Film Laboratory Employers* British Broadcasting Corporation* British Film Institute British Kinematograph, Sound and Television Society* British Photographic Association Chartered Insti
5、tution of Building Services Cinematograph Exhibitors Association of Great Britain and Ireland* Film Production Association of Great Britain* Independent Television Companies Association* Royal Photographic Society* The organizations marked with an asterisk in the above list, together with the follow
6、ing, were directly represented on the Technical Committee entrusted with the preparation of this British Standard: Association of Independent Cinemas Institute of Amateur Cinematographers Coopted members Amendments issued since publication Amd. No.Date of issueComments Licensed Copy: sheffieldun she
7、ffieldun, na, Mon Dec 04 13:23:34 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5550-2.4.4:1980 BSI 10-1999i Contents Page Cooperating organizationsInside front cover National forewordii 1Scope and field of application1 2References1 3Location and width of magnetic head gaps1 4Recorded characteristic
8、1 5Velocity1 6Track usage1 Figure Magnetic sound records and head gaps2 Table Dimensions of sound records and head gap widths2 Publications referred toInside back cover Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 13:23:34 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5550-2.4.4:1980 ii BS
9、I 10-1999 National foreword This British Standard is identical with ISO 4242 “Cinematography Recording head gaps for two sound records on 16 mm magnetic film Positions and width dimensions” published in 1980 by the International Organization for Standardization (ISO). It supersedes BS 5550-2.4.2:197
10、8 and BS 5550-2.4.5:1978 both of which are now withdrawn. BS 5550 is to encompass eventually all British Standards on cinematography. BSI Sectional List 1, obtainable free from the BSI Sales Department, catalogues the British Standards on cinematography. The latest edition of SL 1 should be referred
11、 to particularly in view of this development. Terminology and conventions. The text of the International Standard has been approved as suitable for publication, without deviation, as a British Standard. Some terminology and certain conventions are not identical with those used in British Standards;
12、attention is especially drawn to the following. Where the words “International Standard” appear, referring to this standard, they should be read as “British Standard” The comma has been used in some places as a decimal marker. In British Standards it is current practice to use a full point on the ba
13、seline as the decimal marker. 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. Cross-refer
14、ences International StandardCorresponding British Standard ISO 69:1974BS 5550 Cinematography Subsection 2.1.1:1980a Specification for dimensions of 16 mm motion-picture film (Technically equivalent) ISO 1188:1974BS 5550 Cinematography Subsection 2.4.3:1978 Specification for recording characteristics
15、 for magnetic sound record on 16 mm motion-picture film (Identical) a This standard was previously numbered BS 4526-2 and has been renumbered by amendment. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 and 2, an inside back cover and a back co
16、ver. 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. Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 13:23:34 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5550-2.4.4:1980 BS
17、I 10-19991 1 Scope and field of application This International Standard specifies the lateral positions and width dimensions of the recording heads for two magnetic sound records and a control track on 16 mm single perforated magnetic recording film. It also specifies the reproducing velocity of the
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