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本文(BS 5550-9 4 1-1989 Cinematography - 17 5 mm film - Sound - Specification for the positions and width dimensions of recording head gaps for two sound records on 17 5 mm magnetic fil.pdf)为本站会员(appealoxygen216)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

BS 5550-9 4 1-1989 Cinematography - 17 5 mm film - Sound - Specification for the positions and width dimensions of recording head gaps for two sound records on 17 5 mm magnetic fil.pdf

1、BRITISH STANDARD BS 5550-9.4.1: 1989 ISO 9525:1988 Cinematography Part 9: 17.5 mm film Section 9.4 Sound Subsection 9.4.1 Specification for the positions and width dimensions of recording head gaps for two sound records on 17.5 mm magnetic film UDC 778.534.5:534.852:681.84 (083.3)BS5550-9.4.1:1989 T

2、his British Standard, having been prepared under the directionof the Cinematographyand PhotographyStandards PolicyCommittee, was publishedunder the authority ofthe Board of BSI and comes intoeffect on 30November1989 BSI 10-1999 The following BSI references relate to the work on this standard: Commit

3、tee reference CPM/5 Draft for comment 87/41369 DC ISBN 0 580 17674 6 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Cinematography and Photography Standards Policy Committee (CPM/-) to Technical Committee CPM/5, upon which the following

4、 bodies were represented: 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 Exhi

5、bitors Association of Great Britain and Northern Ireland ITV Association Institute of Amateur Cinematographers Royal Photographic Society Amendments issued since publication Amd. No. Date of issue CommentsBS5550-9.4.1:1989 BSI 10-1999 i Contents Page Committees responsible Inside front cover Nationa

6、l foreword ii 1 Scope 1 2 Normative reference 1 3 Location and width of magnetic head gaps 1 4 Recorded characteristic 1 5 Velocity 1 6 Track usage 1 Figure 1 Audio records on 17,5 mm magnetic film 2 Table 1 Dimensions 2BS5550-9.4.1:1989 ii BSI 10-1999 National foreword This Subsection of BS5550 has

7、 been prepared under the direction of the Cinematography and Photography Standards Policy Committee. It is identical with ISO9525:1988 “Cinematography Recording head gaps for two sound records on17,5mm magnetic film Positions and width dimensions”, published by the International Organization for Sta

8、ndardization (ISO). 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-reference Inter

9、national Standard Corresponding British Standard ISO 1189:1986 BS 5550: Cinematography Subsection 3.4.2:1978 Specification for recorded characteristics for magnetic sound records on35mm motion-picture film (Technically equivalent) Summary of pages This document comprises a front cover, an inside fro

10、nt cover, pages i and ii, pages1 and 2 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.BS5550-9.4.1:1989 BSI 10-1999 1 1 Scope This International Standard specifies

11、 the lateral positions and width dimensions of the recording heads for two magnetic sound records and a control track on17,5mm single perforated magnetic recording film. It also specifies the reproducing velocity of the film travel. 2 Normative reference The following standard contains provisions wh

12、ich, through reference in this text, constitute provisions of this International Standard. At the time of publication, the edition indicated was valid. All standards are subject to revision, and parties to agreements based on this International Standard are encouraged to investigate the possibility

13、of applying the most recent edition of the standard listed below. Members of IEC and ISO maintain registers of currently valid International Standards. ISO 1189:1986, Cinematography Recorded characteristic for magnetic sound records on35mm motion-picture film excluding striped release prints Specifi

14、cations. 3 Location and width of magnetic head gaps 3.1 The width dimensions and lateral positions of the magnetic head gaps shall be as shown onFigure 1 and given inTable 1. 3.2 The magnetic head gaps shall be physically in line at an angle of90 3 to the direction of the film travel. 4 Recorded cha

15、racteristic The recorded characteristic shall be in accordance with ISO1189. 5 Velocity 5.1 The sound records are intended for use at velocities of24 frames (approximately45,6cm or18in) per second, or at25 frames (approximately47,5cm or18,7in) per second. 5.2 The tolerances given in ISO1189 permit a

16、 choice of operating conditions such that the recorded characteristic conforms to ISO1189 even though the recording is intended for either24 or25 frames per second, and the reproduction is conducted at the other velocity. 6 Track usage 6.1 The two tracks specified in this International Standard may

17、be used for either related or unrelated material. 6.2 When used for two-channel stereophonic programme material, track1 shall be used for the left (as viewed from the auditorium) loudspeaker channel. Track2 shall be used for the right (as viewed from the auditorium) loudspeaker channel. 6.3 The cont

18、rol track shall be used for recording other information and for address systems in analogue or digital form. NOTEIt is recommended that the container and leader of material having two sound records be labelled to indicate the nature of each recording and, if applicable, the nature of the information

19、 recorded on the control track.BS5550-9.4.1:1989 2 BSI 10-1999 Table 1 Dimensions Figure 1 Audio records on17,5mm magnetic film Dimension mm in l 1 (ref) 17,49 0,689 l 2 14,05 0,05 0,553 0,002 l 3 8,10 0,05 0,319 0,002 l 4 0,60 0,05 0,024 0,002 l 5 4,00 0,157 l 6 0,70 0,028 0 0,1 0 0,004 0 0,1 0 0,0

20、04 3 blankBS 5550-9.4.1: 1989 ISO 9525:1988 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for preparing BritishStandards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Ro

21、yal Charter. Revisions BritishStandards are updated by amendment or revision. Users of BritishStandards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an i

22、naccuracy or ambiguity while using this BritishStandard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel:02089969000. Fax:02089967400. BSI offers members an individual updating service called PLUS which ensures that

23、subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel:02089969001. Fax:02089967001. In response to orders for international standards, it is BSI policy to

24、 supply the BSI implementation of those that have been published as BritishStandards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. Vario

25、us BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel:02089967111. Fax:02089967048. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchas

26、e price of standards. For details of these and other benefits contact Membership Administration. Tel:02089967002. Fax:02089967001. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as

27、 permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the c

28、ourse of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. If permission is granted, the terms may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager. Tel:02089967070.

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