SIST EN 62289:2003

SLOVENSKI SIST EN 62289:2003
STANDARD
december 2003
Video recording - Helical-scan digital video cassette recording format using 12,65
mm magnetic tape and incorporating MPEG-2 Compression - Format D-10 (IEC
62289:2002)
ICS 33.160.40 Referenčna številka
©  Standard je založil in izdal Slovenski inštitut za standardizacijo. Razmnoževanje ali kopiranje celote ali delov tega dokumenta ni dovoljeno

EUROPEAN STANDARD EN 62289
NORME EUROPÉENNE
EUROPÄISCHE NORM August 2003
ICS 33.160.40
English version
Video recording –
Helical-scan digital video cassette recording format
using 12,65 mm magnetic tape and incorporating MPEG-2 compression –
Format D-10
(IEC 62289:2002)
Enregistrement vidéo –  Videoaufzeichnung -
Format d'enregistrement à balayage Videokassettensystem mit digitaler
hélicoïdal pour cassette vidéo numérique Schrägspuraufzeichnung auf Magnetband
utilisant une bande magnétique 12,65 mm und eingeschlossener
de 12,65 mm avec système de MPEG-2-Kompression –
compression MPEG-2 – Format D-10
Format D-10 (IEC 62289:2002)
(CEI 62289:2002)
This European Standard was approved by CENELEC on 2003-03-01. CENELEC members 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
application 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 Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic,
Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Lithuania, Luxembourg, Malta,
Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: rue de Stassart 35, B - 1050 Brussels

© 2003 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.

Ref. No. EN 62289:2003 E
Foreword
The text of the International Standard IEC 62289:2002, prepared by IEC TC 100, Audio, video and
multimedia systems and equipment, was submitted to the formal vote and was approved by
CENELEC as EN 62289 on 2003-03-01 without any modification.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2004-03-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2006-03-01

Annexes designated "normative" are part of the body of the standard.
Annexes designated "informative" are given for information only.
In this standard, annexes A, B, F and ZA are normative and annexes C; D and E informative.
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 62289:2002 was approved by CENELEC as a European
Standard without any modification.
__________
- 3 - EN 62289:2003
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
This European Standard incorporates by dated or undated reference, provisions from other
publications. These normative references are cited at the appropriate places in the text and the
publications are listed hereafter. For dated references, subsequent amendments to or revisions of any
of these publications apply to this European Standard only when incorporated in it by amendment or
revision. For undated references the latest edition of the publication referred to applies (including
amendments).
NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
Publication Year Title EN/HD Year
IEC 61213 1993 Analogue audio recording on video tape EN 61213 1994
- Polarity of magnetization
IEC 61237-1 1994 Broadcast video tape recorders - EN 61237-1 1994
Methods of measurement
Part 1: Mechanical measurements

ISO/IEC 13818-2 2001 Information technology - Generic coding - -
of moving pictures and associated audio
information: Video
1)
ITU-R BT.601-5 - Studio encoding parameters of digital - -
television for standard 4:3 and wide-
screen 16:9 aspect ratios
SMPTE 12M 1999 Television, audio and film - Time and - -
control code
SMPTE 259M 1997 Bit 4:2:2 component and 4 f NTSC - -
sc
composite digital signals - Serial digital
interface
1)
SMPTE 305M - Television - Serial data transport - -
interface
1)
SMPTE 326M - SDTI content package format (SDTI-CP)- -

1)
SMPTE 328M - MPEG-2 video elementary stream - -
editing information
1)
SMPTE 331M - Element and metadata definitions for - -
the SDTI-CP
1)
SMPTE RP 204 - SDTI-CP MPEG decoder templates - -

1)
Undated reference.
Publication Year Title EN/HD Year
1)
AES3 - Serial transmission format for two-- -
channel linearly represented digital
audio data
INTERNATIONAL IEC
STANDARD
First edition
2002-07
Video recording –
Helical-scan digital video cassette recording
format using 12,65 mm magnetic tape and
incorporating MPEG-2 compression –
Format D-10
 IEC 2002  Copyright - all rights reserved
No part of this publication may be reproduced or utilized in any form or by any means, electronic or
mechanical, including photocopying and microfilm, without permission in writing from the publisher.
International Electrotechnical Commission, 3, rue de Varembé, PO Box 131, CH-1211 Geneva 20, Switzerland
Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: inmail@iec.ch  Web: www.iec.ch
PRICE CODE
Commission Electrotechnique Internationale
XD
International Electrotechnical Commission
Международная Электротехническая Комиссия
For price, see current catalogue

– 2 – 62289  IEC:2002(E)
CONTENTS
FOREWORD . 5
1 Scope . 6
2 Normative references. 6
3 Abbreviations and acronyms . 7
4 Environment and test conditions . 7
4.1 Calibration tape . 7
4.2 Record locations and dimensions . 7
5 Tape and cassette physical specifications. 7
5.1 Magnetic tape specifications. 7
5.2 Cassette specifications . 8
6 Tape record physical parameters .28
6.1 Tape speed .28
6.2 Helical record physical parameters .28
6.3 Longitudinal record physical parameters.28
7 Longitudinal track signal and magnetic parameters.31
7.1 Longitudinal track record parameters.31
7.2 Control track record parameters .32
7.3 Time and control code record parameters.32
8 Helical track signal parameters and magnetization.34
8.1 General .34
8.2 Helical track data parameters .35
8.3 Scrambling and channel coding .47
8.4 Magnetization .48
8.5 Data arrangement in video sectors .49
8.6 Data arrangement in audio data sectors .63
Annex A (normative) Video shuffling tables .69
Annex B (normative) Digital interfaces .89
B.1 Introduction .89
B.2 Video interface .89
B.3 Audio interface .89
B.4 Serial data interface .90
Annex C (informative) Tape transport and scanner.91
Annex D (informative) Compatibility with the other digital formats using type-L
derivative cassettes .94
Annex E (informative) Compatibility with analog Type-L .95
Annex F (normative) SMPTE 356M, “D-10 Type Stream Specifications: MPEG-2
4:2:2P@ML for 525/60 and 625/50” .96
F.1 Scope .96
F.2 Specification of the D-10 type MPEG-2 4:2:2P@ML elementary stream .96
F.3 Interfaces .98
F.4 D-10 type ES Stream operating points .98
F.5 D-10 recording format compression model.99
F.6 D-10 recording format digital interfaces .100
Annex G (informative)  D-10 document reference tree.101

62289  IEC:2002(E) – 3 –
Figure 1 – Top and side view (S-cassette).10
Figure 2 – Bottom view (S-cassette).11
Figure 3 – Datum areas, supporting areas, tape guides and associated dimensions
(S-cassette) .13
Figure 4 – Reel location in the unlocked position (S-cassette).13
Figure 5 – Protecting lid dimensions (S-cassette).14
Figure 6 – Reel dimensions (S-cassette) .15
Figure 7 – Reel height in the unlocked position (S-cassette) .15
Figure 8 – Unlocking lever insertion area (S-cassette) .16
Figure 9 – Lid unlocking force (S-cassette) .17
Figure 10 – Lid opening force (S-cassette) .17
Figure 11 – Reelspring force (S-cassette) .18
Figure 12 – Safety plug strength (S-cassette).18
Figure 13 – Extraction force (F1, F2) and friction torque (S-cassette).19
Figure 14 – Top and side view (L-cassette) .19
Figure 15 – Bottom view (L-cassette) .20
Figure 16 – Datum areas, supporting areas and tape guides (L-cassette).22
Figure 17 – Reel location in unlocked position (L-cassette) .22
Figure 18 – Protecting lid (L-cassette).23
Figure 19 – Reel dimensions (L-cassette) .24
Figure 20 – Reel height in unlocked operation (L-cassette) .24
Figure 21 – Unlocking lever insertion area (L-cassette) .25
Figure 22 – Lid unlocking force (L-cassette).26
Figure 23 – Lid opening force (L-cassette) .26
Figure 24 – Reel spring force (L- cassette).26
Figure 25 – Safety plug strength (L-cassette) .27
Figure 26 – Extraction force (F1, F2) and friction torque (L-cassette) .27
Figure 27 – Locations and dimensions of recorded tracks .30
Figure 28 – Locations and dimensions of tolerance zones of helical track records.31
Figure 29 – Recorded control code waveform for the 525/60 system .33
Figure 30 – Recorded control code waveform for the 625/50 system .33
Figure 31 – Helical recording block diagram.34
Figure 32 – Helical playback block diagram.35
Figure 33 – Sector arrangement on a helical track .36
Figure 34 – Sector arrangement on a helical track (525/60 system).37
Figure 35 – Sector arrangement on a helical track (625/50 system).38
Figure 36 – Video sync block format.39
Figure 37 – Audio sync block format (525/60 system).39
Figure 38 – Audio sync block format (625/50 system).39
Figure 39 – Sync block identification bytes.40
Figure 40 – ID : sync block number (525/60 system) .41
Figure 41 – ID0: sync block number (625/50 system) .42
Figure 42 – Track, segment and frame/field counts .45

– 4 – 62289  IEC:2002(E)
Figure 43 – Re-ordering of coefficient data.50
Figure 44 – Length information for video data .53
Figure 45 – Example of packing 10 slices into 10 sync blocks .55
Figure 46 – Video AUX sync block .57
Figure 47 – Block interleave (525/60 system).58
Figure 48 – Block interleave (625/50 system).58
Figure 49 – Video outer ECC (525/60 system).60
Figure 50 – Video outer ECC (625/50 system).62
Figure 51 – Audio video timing .63
Figure 52 – Audio data word assignment.64
Figure 53 – Audio auxiliary data words.65
Figure 54 – Audio data block layout (525/60 system) .66
Figure 55 – Audio data block layout (625/50 system) .67
Figure 56 – Sync block shuffling.67
Figure 57 – Channel sector shuffling .68
Figure C.1 – Possible scanner configuration (525/60 and 625/50 systems) .92
Figure C.2 – Possible longitudinal head location and tape wrap (525/60 and 625/50
systems) .93
Figure F.3 – Digital recorder compression model.99
Figure G.1 – D-10 document reference tree .101
Table 1 – Record location and dimensions for the 525/60 and 625/50 systems .29
Table 2 – ID : sync block number .43
Table A.1 – Shuffling pattern (525/60 system).69
Table A.2 – Shuffling pattern (625/50 system).78
Table C.1 – Parameters for a possible scanner design.91
Table C.2 – Data rate and wavelength.91
Table F.1 – Basic bit stream constraints.96
Table F.2 – Operating points .99

62289  IEC:2002(E) – 5 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
_________________
VIDEO RECORDING –
HELICAL-SCAN DIGITAL VIDEO CASSETTE RECORDING FORMAT
USING 12,65 MM MAGNETIC TAPE AND INCORPORATING MPEG-2
COMPRESSION – FORMAT D-10
FOREWORD
1) The IEC (International Electrotechnical Commission) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of the IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, the IEC publishes International Standards. Their preparation is
entrusted to technical committees; any IEC National Committee interested in the subject dealt with may
participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. The IEC collaborates closely with the International
Organization for Standardization (ISO) in accordance with conditions determined by agreement between the
two organizations.
2) The formal decisions or agreements of the IEC on technical matters express, as nearly as possible, an
international consensus of opinion on the relevant subjects since each technical committee has representation
from all interested National Committees.
3) The documents produced have the form of recommendations for international use and are published in the form
of standards, technical specifications, technical reports or guides and they are accepted by the National
Committees in that sense.
4) In order to promote international unification, IEC National Committees undertake to apply IEC International
Standards transparently to the maximum extent possible in their national and regional standards. Any
divergence between the IEC Standard and the corresponding national or regional standard shall be clearly
indicated in the latter.
5) The IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with one of its standards.
6) Attention is drawn to the possibility that some of the elements of this International Standard may be the subject
of patent rights. The IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 62289 has been prepared by IEC technical committee 100: Audio,
video and multimedia systems and equipment.
The text of this standard is based on the following documents:
CDV Report on voting
100/416A/CDV 100/481/RVC
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 3.
The committee has decided that the contents of this publication will remain unchanged until
2007. At this date, the publication will be
• reconfirmed;
• withdrawn;
• replaced by a revised edition, or
• amended.
– 6 – 62289  IEC:2002(E)
VIDEO RECORDING –
HELICAL-SCAN DIGITAL VIDEO CASSETTE RECORDING FORMAT
USING 12,65 MM MAGNETIC TAPE AND INCORPORATING MPEG-2
COMPRESSION – FORMAT D-10
1 Scope
This standard specifies the formatting for the recording of data blocks containing MPEG-2
compressed video, multiple channels of AES3 audio and associated data which form helical
records on 12,65 mm tape in cassettes. This standard also defines the helical track record
parameters, the content and format of the longitudinal records and the cassette physical
specifications.
The compressed video uses the MPEG-2 compression which is defined by ISO/IEC 13818-2
with constraints as defined by Annex F. The compressed video channel supports frame
frequencies of 30/1,001 Hz (hereafter referred to as 525/60 system) and 25 Hz (hereafter
referred to as 625/50 system).
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 amendments) applies.
IEC 61213:1993, Analogue audio recording on video tape – Polarity of magnetization
IEC 61237-1:1994, Broadcast video tape recorders – Methods of measurement – Part 1:
Mechanical measurements
ISO/IEC 13818-2:2001, Information technology – Generic coding of moving pictures and
associated audio information: Video
ITU-R BT.601-5, Studio encoding parameters of digital television for standard 4:3 and wide-
screen 16:9 aspect ratios
SMPTE 12M:1999, Time and Control Code
SMPTE 259M:1997, 10-Bit 4:2:2 Component and 4 f NTSC Composite Digital Signals –
sc
Serial Digital Interface
SMPTE 305M, Television - Serial Data Transport Interface
SMPTE 326M, SDTI Content Package Format (SDTI-CP)
SMPTE 328M, MPEG-2 Video Elementary Stream Editing Information
SMPTE 331M, Element and Metadata Definitions for the SDTI-CP
SMPTE RP 204, SDTI-CP MPEG Decoder Templates
AES3-1992, Serial transmission format for two-channel linearly represented digital audio data

62289  IEC:2002(E) – 7 –
3 Abbreviations and acronyms
For the purposes of this standard, the following abbreviations and acronyms apply.
AUX: Auxiliary
CH: Channel
DCT: Discrete cosine transform
ECC: Error correcting code
EOB: End of block
I-NRZI: Interleaved non return to zero inverted
MUX Multiplex
SYNC: Synchronization
VLC: Variable length coding
4 Environment and test conditions
Tests and measurements made on the system to check the requirements of this standard
shall be carried out under the following conditions:
– temperature: 20 °C ± 1 °C;
– relative humidity: 50 % ± 2 %;
– barometric pressure: from 86 kPa to 106 kPa;
– tape tension: 0,3 N ± 0,05 N;
– tape conditioning: not less than 24 h.
4.1 Calibration tape
Calibration tapes meeting the tolerances specified below should be made available by
manufacturers of digital television tape recorders and players in accordance with this
standard.
4.2 Record locations and dimensions
Geometrical location and dimensions of the recordings on the tape and their relative positions
in regard to timing relations of the recorded signals shall be as specified in Figure 27 and
Table 1. Tolerances shown in Table 1 should, however, be reduced by 50 % for calibration
tapes.
5 Tape and cassette physical specifications
5.1 Magnetic tape specifications
5.1.1 Base
The base material shall be polyester or equivalent.
5.1.2 Tape width and width fluctuation
The tape width shall be 12,650 mm ± 0,01 mm. Tape width fluctuation shall not exceed 6 µm
peak to peak. The value of tape width fluctuation shall be evaluated by measuring 10 points,
each 20 mm apart, over a tape length of 200 mm.

– 8 – 62289  IEC:2002(E)
5.1.3 Tape thickness
The tape thickness shall be from 12,3 µm to 14,5 µm.
5.1.4 Offset yield strength
The offset yield strength shall be greater than 15 N.
5.1.5 Magnetic coating
The magnetic tape shall have a coating of longitudinally oriented metal particles or equivalent.

The coating coercivity shall be in the range of 118 000 A/m to 136 000 A/m, with an applied
field of 800 000 A/m as measured by a 50 or a 60 Hz BH meter or a vibrating sample
magnetometer (VSM).
5.2 Cassette specifications
5.2.1 Cassette dimensions
Two sizes of cassettes shall be identified as follows:
S-cassette: 96 mm x 156 mm x 25 mm (as shown in Figures 1 to 13);
L-cassette: 145 mm x 254 mm x 25 mm (as shown in Figures 14 to 26).
5.2.2 Tape length and recording time
Maximum tape length and recording time are recommended as follows:
+ 2
S-cassette: 239 m m 60 min for 525/60 71 min for 625/50;
+ 2
725 m m
L-cassette: 184 min for 525/60 220 min for 625/50.
5.2.3 Datum planes
Datum plane Z shall be determined by three datum areas A, B and C, as shown in Figures 3
and 16a. Datum plane X shall be orthogonal to datum plane Z and shall include the centres of
datum holes (a) and (b) as shown in figures 2 and 15. Datum plane Y shall be orthogonal to
both datum plane X and datum plane Z and shall include the centre of datum hole (a) as
shown in Figures 2 and 15.
5.2.4 Tape winding
The magnetic coating side of the magnetic tape shall face outside on both the supply reel and
the take-up reel as shown in Figures 4 and 17.
5.2.5 Label area and window area
The hatched areas shown in Figures 1 and 14 are for the label and window. Labels attached
to the cassette shall not protrude above the outside cassette surface plane.
5.2.6 Guiding groove
For correct insertion into the VTR, four guiding grooves for S-cassettes as shown in Figures 1
and 2, and three guiding grooves for L-cassettes as shown in Figure 15 shall be provided.

62289  IEC:2002(E) – 9 –
5.2.7 Safety tab and safety plug for recording inhibition
For S-cassettes, a safety plug at the supply reel side and a hole of minimum depth 10 mm
from datum plane Z at the take-up reel side shall be provided as shown in Figure 2.
For L-cassettes, a safety plug shall be provided at the take-up reel side as shown in Figure
15.
The safety plug shall not be deformed by 0,3 mm or more when a force of 2,0 N (204 gf) is
applied to the centre of it, using a 2,5 mm diameter rod. See Figures 12 and 25.
5.2.8 Identification holes
Six identification holes (holes 1 to 6) shall be located as specified in Figures 2 and 15. For
this format, holes 1, 2, 3 and 6 shall be closed. Holes 4 and 5 shall be open.
5.2.9 Reels
The reels shall be automatically unlocked when the cassette is inserted into the video tape
recorder and/or player unit and automatically locked when the cassette is ejected from it.
The locations of the reels, when in the unlocked position, are shown in Figures 4 and 17.
Dimensions of the reels are shown in Figures 6 and 19. Heights of the reels are shown in
Figures 7 and 20.
The reel shall be completely released when the cassette lid is opened 23,5 mm minimum from
datum plane Z.
5.2.9.1 Reel spring force
The reels assembled in the cassette shall be pressed by the reel spring with a specified force
under the conditions specified in Figures 11 and 24. The spring force shall be 1,5 N ± 0,5 N
(153 gf ± 51 gf) for S-cassettes and 3,5 N ± 0,5 N (357 gf ± 51 gf) for L-cassettes when
pressing on a reel 2,4 mm above datum plane Z as shown in Figures 11 and 24.
5.2.9.2 Extraction force
The force (F1, F2) required to pull the tape out from the reel shall not exceed 0,17 N (17 gf),
as specified in Figures 13a and 26a.
5.2.9.3 Friction torque
The torque required to wind the tape shall be less than 15 mN m (152 gf cm) for S-cassettes
and less than 30 mN m (305 gf cm) for L-cassettes, as specified in Figures 13b and 26b.
5.2.10 Protecting lid
The cassette lid shall be automatically unlocked when the cassette is inserted into the video
tape recorder and/or player unit and automatically locked when the cassette is ejected from it.
The unlocking lever insertion area is specified in Figures 8 and 21.
The lid shall be unlocked when the lid lock lever is shifted in either direction A or B, as
illustrated in Figures 9 and 22. The force required to unlock the lid shall be less than 1 N
(101 gf) in the A direction or less than 1,5 N (152 gf) in the B direction.
The lid shall open 29,0 mm with a force of 1,5 N (152 gf) or less as specified in Figures 10
and 23.
– 10 – 62289  IEC:2002(E)
Dimensions in millimetres
NOTE 1 These dimensions are inspected by using limit gauges.
NOTE 2 No part of the lid shall protrude beyond the bottom plane of the cassette when the lid opens nor when it
closes.
NOTE 3 These dimensions shall be specified based on datum plane Z.
NOTE 4 Label and/or window areas, shown by the hatched area is available for the label and/or window.
NOTE 5 The cassette may be held in position by the recorder and/or player unit on the holding area shown by the
cross hatched area.
NOTE 6 The fine hatched area shows the acceptable range of plug notch position and depth at the side.
Figure 1 – Top and side view (S-cassette)

62289  IEC:2002(E) – 11 –
Dimensions in millimetres
NOTE 1 Datum hole (a) is primary.
NOTE 2 The cross hatched area shows the VTR detection area.
Figure 2 – Bottom view (S-cassette)

– 12 – 62289  IEC:2002(E)
Dimensions in millimetres
62289  IEC:2002(E) – 13 –
NOTE 1 The cross hatched areas 10 mm in diameter are datum areas.
NOTE 2 The four supporting areas shown by the hatched areas shall be coplanar with their corresponding datum
areas within 0,05 mm of each of them.
NOTE 3 Datum plane Z shall be defined by the three datum areas, A, B, C.
NOTE 4 Datum area D shall be coplanar, within 0,3 mm, with datum plane Z.
NOTE 5 The areas within 1 mm of the edges of a cassette shall not be included in the supporting areas.
NOTE 6 Measurement L: 15 mm
NOTE 7 Perpendicularity of tape guides is specified as follows (even if they themselves are tapered):
Dimensions in millimetres
Direction
Tape guide
XY
Supply side 0 ± 0,15 0 ± 0,15
Take-up side
0 ± 0,15 0 ± 0,15
Direction X: Parallel to the tape running direction.
Direction Y: Horizontally orthogonal to direction X.
Figure 3 – Datum areas, supporting areas, tape guides and associated dimensions
(S-cassette)
Dimensions in millimetres
NOTE 1 The rotating direction of reels during forward operation.
NOTE 2 The lid opening height L shall be 29 mm or more.
NOTE 3 The reel shall be reset completely when the lid opening height L is 23,5 mm.
Figure 4 – Reel location in the unlocked position (S-cassette)

– 14 – 62289  IEC:2002(E)
Dimensions in millimetres
NOTE 1 The hatched area is where the loading mechanism of the video tape recorder and/or player unit
positions the video cassette when it is inserted.
NOTE 2 The hatched and cross hatched areas are so designed that the loading mechanism of the video tape
recorder and/or player unit unwinds and extends the magnetic tape towards the head drum after the lid opens.
Figure 5 – Protecting lid dimensions (S-cassette)

62289  IEC:2002(E) – 15 –
Dimensions in millimetres
NOTE The reels with large hubs (hub diameter 53,3 mm ± 0,2 mm) can be used for cassettes whose recording
time is less than 12 min.
Figure 6 – Reel dimensions (S-cassette)
Dimensions in millimetres
Figure 7 – Reel height in the unlocked position (S-cassette)

– 16 – 62289  IEC:2002(E)
Dimensions in millimetres
NOTE 1 The cross hatched and hatched areas show the allowable total area where the unlocking lever extending
from the video tape recorder and/or player unit can be inserted into a cassette.
NOTE 2 The cross hatched area shows the range of the unlocking lever insertion which permits the lid to be
unlocked.
NOTE 3 Allowable range within which the unlocking lever can be inserted in the A direction.
NOTE 4 Allowable range within which the unlocking lever can be inserted in the B direction.
NOTE 5 The tip of the unlocking lever shall be shaped into a semicircle or hemisphere whose radius is a half of
the unlocking lever width.
Figure 8 – Unlocking lever insertion area (S-cassette)

62289  IEC:2002(E) – 17 –
Direction A
The force to unlock the lid shall
be not greater than 1,0 N in
the A direction.
Refer to figure 8 regarding the
measuring ranges.
Direction B
The force to unlock the lid shall
be less than 1,5 N in the B
direction.
Refer to figure 8 regarding the
measuring ranges.
Dimensions in millimetres
Figure 9 – Lid unlocking force (S-cassette)
The maximum force to open the
lid shall be 1,5 N.
Dimensions in millimetres
Figure 10 – Lid opening force (S-cassette)
The force of the spring for
pushing down the reel shall
be (1,5 ± 0,5) N.
Dimensions in millimetres
Figure 11 – Reelspring force (S-cassette)

– 18 – 62289  IEC:2002(E)
Dimensions in millimetres
Figure 12 – Safety plug strength (S-cassette)
Figure 13 a) – Extraction force (F1, F2) Figure 13 b) – Friction torque
NOTE 1 Holdback torque of 1 mN m.
NOTE 2 Friction torque to wind the tape.
Figure 13 – Extraction force (F1, F2) and friction torque (S-cassette)

62289  IEC:2002(E) – 19 –
Dimensions in millimetres
NOTE 1 These dimensions are inspected by using limit gauges.
NOTE 2 No part of the lid shall protrude beyond the bottom plane of the cassette when the lid opens nor when it
closes.
NOTE 3 Label and/or window area shown by the hatched area is available for the label and/or window.
NOTE 4 The cassette may be held in position by the recorder and/or player unit on the holding area shown by the
cross hatched area.
NOTE 5 The fine hatched area shows the acceptable range of plug notch position and depth at the side.
Figure 14 – Top and side view (L-cassette)

– 20 – 62289  IEC:2002(E)
Dimensions in millimetres
NOTE 1 Datum hole (a) is primary.
NOTE 2 The cross hatched area shows the VTR detection area.
Figure 15 – Bottom view (L-cassette)

62289  IEC:2002(E) – 21 –
Figure 16 a) – Datum areas and supporting areas
Figure 16 b) – Tape guides
Dimensions in millimetres
NOTE 1 The four round areas 10 mm in diameter are datum areas.
NOTE 2 The four supporting areas shown by the cross hatched areas shall be coplanar with their corresponding
datum areas within 0,05 mm of each of them and shall be coplanar with the hatched areas.

– 22 – 62289  IEC:2002(E)
NOTE 3 Datum plane Z shall be defined by the three datum areas, A, B, C.
NOTE 4 Datum area D shall be coplanar, within 0,3 mm with datum plane Z.
NOTE 5 The areas within 1 mm of the edges of the cassette shall not be included in the supporting areas.
NOTE 6 Measurement L: 15 mm
NOTE 7 Perpendicularity of tape guides is specified as follows (even if they themselves are tapered):
Dimensions in millimetres
Direction
Tape guide
XY
Supply side 0 ± 0,15 0 ± 0,15
Take-up side
0 ± 0,15 0 ± 0,15
Direction X: Parallel to the tape running direction.
Direction Y: Horizontally orthogonal to direction X.
Figure 16 – Datum areas, supporting areas and tape guides (L-cassette)
Dimensions in millimetres
NOTE 1 The rotating direction of reels during forward operation.
NOTE 2 The lid opening height L shall be 29 mm or more.
NOTE 3 The reel shall be reset completely when the lid opening height L is 23,5 mm.
Figure 17 – Reel location in unlocked position (L-cassette)

62289  IEC:2002(E) – 23 –
Dimensions in millimetres
NOTE 1 The hatched area is where the loading mechanism of the video tape recorder and/or player unit positions
the video cassette when it is inserted.
NOTE 2 The hatched and cross hatched areas are so designed that the loading mechanism of the video tape
recorder and/or player unit unwinds and extends the magnetic tape towards the head drum after the lid opens.
NOTE 3 This condition is sometimes defined as “Minimum space for loading mechanism
Figure 18 – Protecting lid (L-cassette)

– 24 – 62289  IEC:2002(E)
Dimensions in millimetres
NOTE The reels with large hubs (hub diameter 53,3 mm ± 0,2 mm) can be used for cassettes whose recording
time is less than 34 min.
Figure 19 – Reel dimensions (L-cassette)
Dimensions in millimetres
Figure 20 – Reel height in unlocked operation (L-cassette)

62289  IEC:2002(E) – 25 –
Dimensions in millimetres
NOTE 1 The cross hatched and hatched area shows the allowable total area where the unlocking lever extending
from the video tape recorder and/or player unit can be inserted into a cassette.
NOTE 2 The cross hatched area shows the range of the unlocking lever insertion which permits the lid to be
unlocked.
NOTE 3 Allowable range within which the unlocking lever can be inserted in the A direction.
NOTE 4 Allowable range within which the unlocking lever can be inserted in the B direction.
NOTE 5 The tip of the unlocking lever shall be shaped into a semicircle or hemisphere whose radius is a half of
the unlocking lever width.
Figure 21 – Unlocking lever insertion area (L-cassette)

– 26 – 62289  IEC:2002(E)
Direction A
The force to unlock the lid
shall be not greater
than 1,0 N in the A
direction.
Refer to Figure 21
regarding the
measuring ranges.
Direction B
The force to unlock the lid
shall be less than 1,5 N
in the B direction.
Refer to Figure 21
regarding the
measuring ranges.
Dimensions in millimetres
Figure 22 – Lid unlocking force (L-cassette)
The maximum force to open
the lid shall be 1,5 N.
Dimensions in millimetres
Figure 23 – Lid opening force (L-cassette)
The force of the spring for
pushing down the reel shall
be (3,5 ± 0,5) N.
Dimensions in millimetres
Figure 24 – Reel spring force (L- cassette)

62289  IEC:2002(E) – 27 –
Dimensions in millimetres
Figure 25 – Safety plug strength (L-cassette)
Figure 26 a) – Extraction force (F1, F2)              Figure 26 b) – Friction torque
NOTE 1 Holdback torque of 1 mN m.
NOTE 2 Friction torque to wind the tape.
Figure 26 – Extraction force (F1, F2) and friction torque (L-cassette)

– 28 – 62289  IEC:2002(E)
6 Tape record physical parameters
6.1 Tape speed
The tape speed shall be 64,467 mm/s for the 525/60 system or 53,776 mm/s for the 625/50
system. The tape speed tolerance shall be ±0,2 %.
6.2 Helical record physical parameters
6.2.1 Helical record location and dimensions
The reference edge of the tape for the dimensions specified in this standard shall be the lower
edge as shown in Figure 27. The magnetic coating, with the direction of tape travel as shown
in Figure 27, is on the side facing the observer.
The programme reference point for each video frame is determined by the intersection of a
line which is parallel to the reference edge of the tape at the distance Y from the reference
edge and the centre line of the first track in each video frame, that is track 0 of segment 1.
The programme reference point defines the start of the first video sector in the video frame.
The physical locations and dimensions of the helical recordings on the tape and their relative
positions in regard to the time code start bit and the reference edge shall be as specified in
Figure 27 and Table 1.
6.2.2 Helical track record tolerance zones
The lower edges of all four consecutive tracks shall be contained within the pattern of the four
tolerance zones defined in Figure 28.
Each zone is defined by two parallel lines which are inclined at an angle of 4,626 44° with
respect to the tape reference edge.
The centre lines of all zones shall be spaced apart by 0,021 7 mm. The width of zones 2, 3
and 4 shall be 0,008 mm. The width of zone 1 shall be 0,004 mm. These zones are
established to contain track angle errors, track straightness errors and vertical head offset
tolerance.
The measuring techniques are shown in IEC 61237-1, clause 7.
6.2.3 Helical track gap azimuth
The azimuth angle of the head gaps used for recording the helical tracks shall be at an angle
of α 0 or α 1 to the line perpendicular to the helical tracks, as specified in Figure 27 and
Table 1.
The azimuth of the first track of every frame, that is the programme reference point, shall be
orientated in the counterclockwise direction with respect to the line perpendicular to the track
direction when viewed from the side of the tape carrying the magnetic recording.
6.3 Longitudinal record physical parameters
6.3.1 Longitudinal record location and dimensions
The track widths and tolerances of the control
...