BS-EN-61120-3-1994 IEC-61120-3-1991.pdf
《BS-EN-61120-3-1994 IEC-61120-3-1991.pdf》由会员分享,可在线阅读,更多相关《BS-EN-61120-3-1994 IEC-61120-3-1991.pdf(24页珍藏版)》请在三一文库上搜索。
1、BRITISH STANDARD BS EN 61120-3:1994 IEC 1120-3: 1991 Digital audio tape recorder reel to reel system, using 6.3 mm magnetic tape, for professional use Part 3: Format B The European Standard EN 61120-3:1993 has the status of a British Standard UDC 621.396.7:681.84.083.84:681.327.636 Licensed Copy: sh
2、effieldun sheffieldun, na, Sat Nov 11 09:09:30 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 61120-3:1994 This British Standard, having been prepared under the direction of the Electronic Equipment Standards Policy Committee, was published under the authority of the Standards Board and comes into
3、 effect on 15 January 1994 BSI 01-2000 The following BSI references relate to the work on this standard: Committee reference EEL/22 Draft for comment 89/22505 DC ISBN 0 580 22696 4 Cooperating organizations The European Committee for Electrotechnical Standardization (CENELEC), under whose supervisio
4、n this European Standard was prepared, comprises the national committees of the following countries: AustriaItaly BelgiumLuxembourg DenmarkNetherlands FinlandNorway FrancePortugal GermanySpain GreeceSweden IcelandSwitzerland IrelandUnited Kingdom Amendments issued since publication Amd. No.DateComme
5、nts Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 09:09:30 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 61120-3:1994 BSI 01-2000i Contents Page Cooperating organizationsInside front cover National forewordii Foreword2 Text of EN 61120-33 National annex NA (informative) Committees respon
6、sibleInside back cover National annex NB (informative) Cross-referencesInside back cover Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 09:09:30 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 61120-3:1994 ii BSI 01-2000 National foreword This British Standard has been prepared under the di
7、rection of the Electronic Equipment Standards Policy Committee and is the English language version of EN 61120-3:1993 Digital audio tape recorder reel to reel system, using 6,3 mm magnetic tape, for professional use, Part 3: Format B, published by the European Committee for Electrotechnical Standard
8、ization (CENELEC). It is identical with IEC 1120-3:1991, published by the International Electrotechnical Commission (IEC). BS EN 61120 consists of the following Parts. Part 1: General requirements; Part 2: Format A; Part 3: Format B; Part 4: Magnetic tape properties: definitions and methods of measu
9、rement; Part 5: Reels for 6.3 mm digital audio tape1). Additional information. IEC 1120-4 stated in 1.5.1 and 1.5.3 as being “(under consideration)” was published in 1992, and was implemented as BS EN 61120-4:1993. A British Standard does not purport to include all the necessary provisions of a cont
10、ract. 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 comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 1
11、8, 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. 1) In preparation. Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 09:09:30 GMT+00:0
12、0 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 61120-3 October 1993 UDC 621.396.7:681.84.083.84:681.327.636 Descriptors: Audio recording, digital recording, magnetic tape, code, format, recording characteristics, recording track English version Digital audio
13、tape recorder reel to reel system, using 6,3 mm magnetic tape, for professional use Part 3: Format B (IEC 1120-3:1991) Systme denregistrement bande audionumrique, bobine bobine, utilisant une bande magntique de 6,3 mm, usage professionnel Partie 3: Format B (CEI 1120-3:1991) Digitales Tonbandgert Sp
14、ulensystem mit Magnetband 6,3 mm fr Studioanwendungen Teil 3: Format B (IEC 1120-3:1991) This European Standard was approved by CENELEC on 1993-09-22. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the st
15、atus of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German
16、). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Denmark, F
17、inland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische
18、 Normung Central Secretariat: rue de Stassart 35, B-1050 Brussels 1993 Copyright reserved to CENELEC members Ref. No. EN 61120-3:1993 E Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 09:09:30 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 61120-3:1993 BSI 01-2000 2 Foreword The CENELEC questi
19、onnaire procedure, performed for finding out whether or not the International Standard IEC 1120-3:1991 could be accepted without textual changes, has shown that no common modifications were necessary for the acceptance as European Standard. The reference document was submitted to the CENELEC members
20、 for formal vote and was approved by CENELEC as EN 61120-3 on 22 September 1993. The following dates were fixed: For products which have complied with the relevant national standard before 1994-09-01, as shown by the manufacturer or by a certification body, this previous standard may continue to app
21、ly for production until 1999-09-01. Annexes designated “normative” are part of the body of the standard. In this standard, Annex ZA is normative. Contents Page Foreword2 1Main track recording3 1.1Recording modulation method3 1.2Signal block structure5 1.2.1The word format5 1.2.2The block structure5
22、1.2.3The Sync/Control word7 1.3Signal word distribution to tracks8 1.3.1Track-to-channel assignment8 1.3.2Signal word distribution to tracks9 1.4Error protection method10 1.4.1Interleaving and parity sums10 1.4.2The CRC word12 1.5Recording and reproducing characteristics12 1.5.1Reference tape12 1.5.
23、2Calibration tapes13 1.5.3Procedure for adjusting recording current level and waveform13 1.5.4Specifications of tolerance relative to calibration tape13 Page 2Sub-track recording13 2.1Digital recording method13 2.1.1Recording method on sub-track 213 2.1.1.1The recording code13 2.1.1.2The data format
24、14 2.1.1.3The synchronization pattern14 2.1.1.4The Control word15 2.1.1.5The Reference address15 2.1.1.6The CRC word16 2.2Alignment of digital audio signals and sub-track signals16 2.2.1Alignment of cue audio-1 and cue audio-2 track signals16 2.2.2Alignment of time code track signal16 2.2.3Alignment
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- BS-EN-61120-3-1994 IEC-61120-3-1991 BS EN 61120 1994 IEC 1991
链接地址:https://www.31doc.com/p-3743837.html