1、 g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58The European Standard EN 62345:2005 has the status of a British StandardICS 33.160.40ID format for
2、50 mm magneto-optical disc systemBRITISH STANDARDBS EN 62345:2005BS EN 62345:2005This British Standard was published under the authority of the Standards Policy and Strategy Committee on 5 December 2005 BSI 5 December 2005ISBN 0 580 46195 5request to its secretary.Cross-referencesThe British Standar
3、ds which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.This pu
4、blication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard does not of itself confer immunity from legal obligations.Summary of pagesThis document comprises a front cover, an inside front cove
5、r, the EN title page, pages 2 to 108, an inside back cover and a back cover.The BSI copyright notice displayed in this document indicates when the document was last issued.Amendments issued since publicationAmd. No. Date CommentsA list of organizations represented on this committee can be obtained o
6、n present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK.National forewordThis British Standard is the official Eng
7、lish language version of EN 62345:2005. It is identical with IEC 62345:2005.The UK participation in its preparation was entrusted to Technical Committee EPL/100, Audio, video and multimedia systems and equipment, which has the responsibility to: aid enquirers to understand the text;EUROPEAN STANDARD
8、 EN 62345 NORME EUROPENNE EUROPISCHE NORM April 2005 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels ICS 33.160.40 English versi
9、on ID format for 50 mm magneto-optical disc system (IEC 62345:2005) Format de Iidentifiant pour un systme disque magnto-optique de 50 mm (CEI 62345:2005) ID-Format fr das magneto-optische System mit 50 mm Platte (IEC 62345:2005) This European Standard was approved by CENELEC on 2005-02-01. CENELEC m
10、embers are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on applic
11、ation to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). 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 Secretaria
12、t has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, P
13、oland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. 2005 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 62345:2005 E EN 62345:2005 - 2 - Foreword The text of document 100/870/FDIS, future edition 1
14、 of IEC 62345, prepared by IEC TC 100, Audio, video and multimedia systems and equipment, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 62345 on 2005-02-01. The following dates were fixed: latest date by which the EN has to be implemented at national level by publi
15、cation of an identical national standard or by endorsement (dop) 2005-12-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2008-02-01 The International Electrotechnical Commission (IEC) and CENELEC draw attention to the fact that it is claimed that com
16、pliance with this document may involve the use of a patent. The IEC and CENELEC take no position concerning the evidence, validity and scope of this patent right. The holder of this patent right has assured the IEC that he/she is willing to negotiate licences under reasonable and non-discriminatory
17、terms and conditions with applicants throughout the world. In this respect, the statement of the holder of this patent right is registered with the IEC. Information may be obtained from: Sanyo Electric Co., Ltd. 5-5, Keihan-hondori 2-chome, Moriguchi City, Osaka, 570-8677, Japan Attention is drawn t
18、o the possibility that some of the elements of this document may be the subject of patent rights other than those identified above. IEC and CENELEC shall not be held responsible for identifying any or all such patent rights. Annex ZA has been added by CENELEC. _ Endorsement notice The text of the In
19、ternational Standard IEC 62345:2005 was approved by CENELEC as a European Standard without any modification. _ 3 EN 62345:2005 CONTENTS 1 Scope 9 2 Normative references .9 3 Terms and definitions .9 4 Conventions and notations12 4.1 Representation of numbers 12 4.2 Names 12 5 List of acronyms .13 6
20、General description of the optical disc cartridge 13 7 General requirements .14 7.1 Environments 14 7.2 Temperature shock14 7.3 Safety requirements.15 8 Reference drive15 8.1 Optical system.15 8.2 Optical beam .16 8.3 Read channels 16 8.4 Tracking 17 8.5 Rotation of the disc17 9 Mechanical and physi
21、cal characteristics17 9.1 Dimensional and physical characteristics of the cartridge .17 9.2 Dimensional, mechanical and physical characteristics of the disc27 9.3 Interface between cartridge and drive 32 10 Format of information .33 10.1 Track geometry .33 10.2 Track format34 10.3 Frame format.35 10
22、.4 ECC Block format 42 10.5 Recording code .43 10.6 Format of the Information Zone45 10.7 Format of the Data Zone46 10.8 Defect Management.51 11 Characteristics of embossed information .55 11.1 Method of testing.55 11.2 Signals from grooves (see Figure 26).56 11.3 Signals from wobble groove (see Fig
23、ure 27).57 11.4 Signal from fine clock marks (see Figure 28) 58 12 Characteristics of the recording layer 59 12.1 Method of testing.59 12.2 Magneto-optical characteristics60 13 File system.63 13.1 Volume .63 13.2 File .73 14 File format of Sound and Images 78 14.1 General .78 14.2 Directory Structur
24、e 78 EN 62345:2005 4 14.3 File Format79 Annex A (normative) Air cleanliness class 10000082 A.1 Definition.82 A.2 Test method 82 Annex B (normative) Measurement method of reference plane flatness.83 Annex C (normative) Measurement method of cartridge flatness .84 Annex D (normative) Measurement metho
25、d of cartridge curvature.85 Annex E (normative) Test method for measuring the friction force.86 Annex F (normative) Format of the Data field .88 F.1 Contents of the Data field 88 Annex G (normative) Contents of Control Tracks 95 G.1 General description of Control Track 95 G.2 Track format of the Con
26、trol Zone95 G.3 Control Segment96 G.4 Control Data unit .97 Annex H (normative) Relaxation by zones of the requirement for signals.99 Annex I (informative) Transportation.100 I.1 General .100 I.2 Packaging .100 Annex J (informative) Track deviation measurement .101 J.1 Relation between requirements1
27、01 J.2 Reference Servo102 J.3 Requirement for track deviations103 J.4 Measurement implementation 103 Annex K (informative) Digital still camera image file format standard Exif .105 Annex L (informative) Design Rule for Camera File System DCF106 Annex M (informative) Movie file format QuickTime107 An
28、nex ZA (normative) Normative references to international publications with their corresponding European publications108 Figure 1 Optical system of the reference drive15 Figure 2 Outline of cartridge.18 Figure 3 Cartridge reference line and reference plane.19 Figure 4 Cartridge Top and Side View 23 F
29、igure 5 Cartridge Bottom View24 Figure 6 Shutter.25 Figure 7 Shutter lock25 Figure 8 Holding area 26 Figure 9 Screw location26 Figure 10 Disc dimensions .28 Figure 11 Thickness of the protective coating .32 Figure 12 Gap between the disc and the internal wall of the cartridge .33 Figure 13 Track lay
30、out .34 Figure 14 Layout of the Address Segment 35 Figure 15 Wolbble Pattern of the Address Segment .35 5 EN 62345:2005 Figure 16 Layout of the Data Segment .39 Figure 17 The patterns of the Pre-write field and the Post-write field .40 Figure 18 ECC Block layout .42 Figure 19 Header.43 Figure 20 NRZ
31、I Plus convolution method44 Figure 21 NRZI Plus convolution method44 Figure 22 Layout of the Data Zone and Test Zones.47 Figure 23 Structure of Logical Zone51 Figure 24 Structure of PDL entry 54 Figure 25 Structure of SDL entry 55 Figure 26 Signals from grooves57 Figure 27 Signals from wobbled groov
32、e 57 Figure 28 Signals from fine clock marks .58 Figure 29 Radial push-pull signal and envelope of fine clock mark 58 Figure 30 Recording magnetic field shape and Write pulse .60 Figure 31 Resolution61 Figure 32 Spectrum analyser display61 Figure 33 Crosstalk test pattern .62 Figure 34 Directory str
33、ucture including motion picture.79 Figure A.1 Particle size distribution curve.82 Figure B.1 Measurement method of reference plane flatness 83 Figure C.1 Measurement method of cartridge flatness 84 Figure D.1 Measurement method of cartridge curvature 85 Figure E.1 Arrangement of testing chip and dis
34、c for the measurement of friction force.86 Figure E.2 Shape of testing chip.87 Figure E.3 Test cycle .87 Figure F.1 Processing flow to generate Data unit 1 .88 Figure F.2 Processing flow to generate Data unit 2 and Data unit 3.88 Figure F.3 Data unit 1 configuration89 Figure F.4 Data ID information
35、.89 Figure F.5 Feedback shift register for generation scramble data92 Figure F.6 ECC block configuration 93 Figure F.7 ECC block after row interleave.94 Figure G.1 Track layout of the Control Zone .96 Figure G.2 Layout of the Control Segment96 Figure G.3 Unit of the Control Segment 97 Figure J.1 Max
36、imum allowed amplitude of a sinusoidal track deviation 101 Figure J.2 Implementation of a Reference Servo by filtering the track position signal with the reduction characteristics of the Reference Servo 103 Figure J.3 Implementation of a Reference Servo by changing the transfer function of the actua
37、l servo 103 Figure J.4 Implementation of a Reference Servo by changing the tracking error of the actual servo 104 EN 62345:2005 6 Table 1 Write protection.21 Table 2 User hole 22 Table 3 Index hole .22 Table 4 Nominal Address Data clock frequencies when the disc rotates at 50 Hz 41 Table 5 Layout of
38、 the Information Zone 45 Table 6 Locations of the DMAs.47 Table 7 Byte assignment of the Disc Definition Structure (DDS) 48 Table 8 Assign of Logical Zone 49 Table 9 Content of the PDL 53 Table 10 Content of the SDL 54 Table 11 OSTA CS0 Charspec .63 Table 12 Time stamp .64 Table 13 Domain Entity Ide
39、ntifier64 Table 14 Domain Identifier Suffix64 Table 15 UDF Entity Identifier 65 Table 16 UDF Identifier Suffix 65 Table 17 Implementation Entity Identifier65 Table 18 Implementation Identifier Suffix65 Table 19 Beginning Extended Area Descriptor 66 Table 20 NSR Descriptor .66 Table 21 Terminating Ex
40、tended Area Descriptor .66 Table 22 Descriptor Tag.67 Table 23 Anchor Volume Descriptor Pointer67 Table 24 Primary Volume Descriptor 67 Table 25 Implementation Use Volume Descriptor68 Table 26 Implementation Use of Implementation Use Volume Descriptor.68 Table 27 Partition Descriptor69 Table 28 Part
41、ition Contents69 Table 29 Partition Header Descriptor69 Table 30 Logical Volume Descriptor .70 Table 31 File Set Descriptor Extent Information 70 Table 32 Integrity Sequence Extent Information71 Table 33 Partition Maps .71 Table 34 Unallocated Space Descriptor 71 Table 35 Terminating Descriptor.71 T
42、able 36 Logical Volume Integrity Descriptor72 Table 37 Logical Volume Contents Use 72 Table 38 Implementation72 Table 39 lb_addr (Logical Block Address).73 Table 40 short_ad (Short Allocation Descriptor)73 Table 41 long_ad (Long Allocation Descriptor)73 Table 42 File Set Descriptor.73 7 EN 62345:200
43、5 Table 43 File Identifier Descriptor.74 Table 44 d-characters 74 Table 45 File Entry.75 Table 46 ICB Tag.76 Table 47 Extended Attributes .76 Table 48 Extended Attributes Header Descriptor.76 Table 49 File Times Extended Attribute 77 Table 50 Flags in ICB Tag77 Table 51 Space Bitmap Descriptor .77 T
44、able 52 Allocation Extent Descriptor.78 Table F.1 Initial value of shift register.91 Table G.1 Layout of the Control Zones .95 Table H.1 Requirements for signals in each zone .99 EN 62345:2005 8 9 EN 62345:2005 ID FORMAT FOR 50 mm MAGNETO-OPTICAL DISC SYSTEM 1 Scope This International Standard speci
45、fies the characteristics of 50 mm Optical Disc Cartridges (ODC) with a capacity of 730 Mbytes per Cartridge. This regulation covers the logical format of removable 50 mm magneto-optical discs used on digital still cameras, digital movie cameras, electronic albums and similar devices and combinations
46、 of these devices that record, play or process the digital data of still pictures, motion pictures and audio. This standard specifies the recording and reproducing format and processing method of files of still pictures, motion pictures and audio on 50 mm magneto-optical discs so that the users can
47、use these discs on various compatible devices. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any
48、amendments) applies. IEC 60950-1:2001, Information technology equipment Safety Part 1: General requirements ISO/IEC 13346-1:1995, Information technology Volume and file structure of write-once and rewritable media using non-sequential recording for information interchange Part 1: General 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 band part of the Data Zone comprising a fixed number of consecutive physical tracks 3.2 base band wobble address address information formed by wobb
