IEC 62330-3:2003

Helical-scan digital video cassette recording system using 12,65 mm (0,5 in) magnetic tape - Format HD-D5 - Part 3: Data stream format

IEC 62330-3:2003 defines the data stream used for synchronous transmission of HD-D5 compressed video and audio data over 360 Mb/s serial digital interface (SDI) for the 525/60 system as defined in SMPTE 259M.

Système de magnétoscope numérique à cassette à balayage hélicoïdal sur bande magnétique de 12,65 mm (0,5 in) - Format HD-D5 - Partie 3: Format de flux de données

La CEI 62330-3:2003 définit le flux de données utilisé pour la transmission synchrone des données vidéo et audio comprimées HD-D5 sur une interface numérique série (Serial Digital Interface ou SDI) à 360 Mb/s pour le système 525/60 tel qu'il est défini dans le SMPTE 259M.

General Information

• Status: Published
• Publication Date: 26-May-2003
• ICS: 33.160.40 - Video systems
• ICS: 35.240.99 - IT applications in other fields
• Technical Committee: TC 100 - Audio, video and multimedia systems and equipment
• Current Stage: PPUB - Publication issued
• Start Date: 27-May-2003
• Completion Date: 15-Jan-2004

Overview

The IEC 62330-3:2003 standard specifies the data stream format for the HD-D5 helical-scan digital video cassette recording system. Designed for use with 12.65 mm (0.5 inch) magnetic tape, this standard defines the format for synchronous transmission of compressed high-definition video and audio data over a 360 Mb/s Serial Digital Interface (SDI). It specifically targets the 525/60 system, following the SMPTE 259M standard for digital video interface.

This part 3 of the IEC 62330 series complements Part 1 (VTR specifications) and Part 2 (compression format) by detailing the mapping and structure of the data stream, including the organization of data into DIF blocks and their transmission over SDI, ensuring compatibility and streamlined data flow in professional video recording and broadcasting environments.

Key Topics

• DIF Block and DIF Slice Structure
  The HD-D5 compressed video data is arranged into 5,760 DIF blocks per video field (1080/60i) or frame (720/60p). These DIF blocks are grouped into 480 DIF slices, each containing 12 DIF blocks. This hierarchical structure facilitates efficient data handling and mapping onto the SDI.

• DIF Block Mapping onto SDI
  DIF blocks are mapped to a 360 Mb/s SDI transmission space defined by 1920 word columns and 255 word rows. This creates a rectangular data area corresponding to one video field or frame. The mapping formula ensures the spatial organization of data is consistent and aligned with SDI field definitions.

• Slice Cell and DIF Area Configuration
  The SDI transmission area is subdivided into 480 slice cells, each containing 12 DIF areas labeled A through D. Each DIF area has a specific byte allocation and word count, optimizing the data layout for error detection and synchronization.

• Bit Allocation and Error Flagging
  Each byte of DIF data is encoded into SDI data words with defined bit assignments, including an error flag (EF) and its complement to enable reliable error detection and data integrity verification during transmission.

• Audio Data Transmission
  The standard mandates that audio data complies with ANSI/SMPTE 272M formatting, ensuring consistent audio encapsulation within the SDI ancillary data space alongside video.

Applications

IEC 62330-3:2003 is critical for industries and applications involving:

• Professional Broadcasting
  Enables reliable recording and playback of HD video with synchronized audio on magnetic tape formats, suitable for broadcast studios and archival preservation.

• Video Production
  Supports high-definition editing and processing workflows requiring standardized, compressed video streams transmitted over SDI for interoperability between devices.

• Digital Archiving
  Provides a robust framework for encoding and storing HD video content on magnetic tape media, facilitating long-term preservation with error detection capabilities.

• Broadcast Equipment Manufacturing
  Assists manufacturers in designing and validating VTRs and SDI-compatible devices that comply with international standards for HD video data transmission.

• Post-Production Facilities
  Ensures that HD content can be transferred, stored, and retrieved efficiently under a standardized data stream format, minimizing data loss or corruption.

Related Standards

To fully implement the HD-D5 data stream format using IEC 62330-3, the following related standards are essential references:

• IEC 62330-1:2003 – Covers the VTR system specifications including tape magnetization, helical recording, and modulation for HD video via HD-D5.
• IEC 62330-2:2003 – Details the compression format for HD video, describing encoding processes for 1080i and 720p systems.
• ANSI/SMPTE 259M – Defines the Serial Digital Interface standard at 360 Mb/s used for transmitting uncompressed or compressed video data.
• ANSI/SMPTE 272M – Specifies the formatting of AES/EBU audio and ancillary data in digital video streams.
• SMPTE 305M – Serial Data Transport Interface standard; noted but not directly referenced for this SDI data stream format.

By adhering to these standards, organizations can ensure interoperability, maintain broadcast-grade quality, and streamline their workflows involving digital HD video cassette recording systems.

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Keywords: IEC 62330-3, HD-D5, digital video cassette, helical-scan, data stream format, 360 Mb/s SDI, SMPTE 259M, high-definition video, compressed video transmission, DIF block, DIF slice, professional broadcasting, video production, digital archiving, audio data format, IEC standards.

Standards Content (Sample)

INTERNATIONAL IEC
STANDARD
62330-3
First edition
2003-05
Helical-scan digital video cassette recording
system using 12,65 mm (0,5 in) magnetic tape –
Format HD-D5 –
Part 3:
Data stream format
Reference number
Publication numbering
As from 1 January 1997 all IEC publications are issued with a designation in the
60000 series. For example, IEC 34-1 is now referred to as IEC 60034-1.
Consolidated editions
The IEC is now publishing consolidated versions of its publications. For example,
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INTERNATIONAL IEC
STANDARD
62330-3
First edition
2003-05
Helical-scan digital video cassette recording
system using 12,65 mm (0,5 in) magnetic tape –
Format HD-D5 –
Part 3:
Data stream format
 IEC 2003  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: [phone] Telefax: [phone] E-mail: [e-mail]  Web: www.iec.ch
PRICE CODE
Commission Electrotechnique Internationale
K
International Electrotechnical Commission
Международная Электротехническая Комиссия
For price, see current catalogue

– 2 – 62330-3  IEC:2003(E)
CONTENTS
FOREWORD . 3
1 Scope . 5
2 Normative references. 5
3 DIF block mapping . 5
3.1 DIF block and DIF slice . 5
3.2 Mapping of DIF blocks over SDI . 6
4 Audio Data. 9
Bibliography .10
Figure 1 – DIF block . 5
Figure 2 – DIF slice structure.6
Figure 3 – Slice sell structure over SDI . 7
Figure 4 – DIF area type and byte allocation of DIF blocks . 8
Figure 5 – Bit allocation . 9

62330-3  IEC:2003(E) – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HELICAL-SCAN DIGITAL VIDEO CASSETTE RECORDING SYSTEM
USING 12,65 mm (0,5 in) MAGNETIC TAPE – FORMAT HD-D5 –
Part 3: Data stream format
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 62330 has been prepared by Technical Area 6: Higher data rate
storage media and equipment of IEC technical committee 100: Audio, video and multimedia
systems and equipment.
It was submitted to the national committees for voting under the Fast Track Procedure as the
following documents:
CDV Report on voting
100/506/CDV 100/605/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 2.
The committee has decided that the contents of this publication will remain unchanged until
2008. At this date, the publication will be
• reconfirmed;
• withdrawn;
• replaced by a revised edition, or
• amended.
...

IEC 62330-3 ®
Edition 1.0 2003-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Helical-scan digital video cassette recording system using 12,65 mm (0,5 in)
magnetic tape – Format HD-D5 –
Part 3: Data stream format
Système de magnétoscope numérique à cassette à balayage hélicoïdal sur
bande magnétique de 12,65 mm (0,5 in) – Format HD-D5 –
Partie 3: Format de flux de données

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IEC 62330-3 ®
Edition 1.0 2003-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Helical-scan digital video cassette recording system using 12,65 mm (0,5 in)

magnetic tape – Format HD-D5 –

Part 3: Data stream format
Système de magnétoscope numérique à cassette à balayage hélicoïdal sur

bande magnétique de 12,65 mm (0,5 in) – Format HD-D5 –

Partie 3: Format de flux de données

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX K
ICS 33.160.40; 35.240.99 ISBN 978-2-83220-314-9

– 2 – 62330-3  IEC:2003
CONTENTS
FOREWORD . 3

1 Scope . 5
2 Normative references. 5
3 DIF block mapping . 5
3.1 DIF block and DIF slice . 5
3.2 Mapping of DIF blocks over SDI . 6
4 Audio Data . 9

Bibliography . 10

Figure 1 – DIF block . 5
Figure 2 – DIF slice structure . 6
Figure 3 – Slice sell structure over SDI . 7
Figure 4 – DIF area type and byte allocation of DIF blocks . 8
Figure 5 – Bit allocation . 9

62330-3  IEC:2003 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HELICAL-SCAN DIGITAL VIDEO CASSETTE RECORDING SYSTEM
USING 12,65 mm (0,5 in) MAGNETIC TAPE – FORMAT HD-D5 –

Part 3: Data stream format
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 62330 has been prepared by Technical Area 6: Higher data rate
storage media and equipment of IEC technical committee 100: Audio, video and multimedia
systems and equipment.
This bilingual version (2012-12) corresponds to the monolingual English version, published in
2003-05. It was submitted to the national committees for voting under the Fast Track
Procedure as the following documents:
CDV Report on voting
100/506/FCDV 100/605/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.
The French version of this standard has not been voted upon.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
The committee has decided that the contents of this publication will remain unchanged until
2008. At this date, the publication will be
• reconfirmed;
• withdrawn;
• replaced by a revised edition, or
• amended.
– 4 – 62330-3  IEC:2003
IEC 62330-3 consists of the following parts, under the general title Helical-scan digital video
cassette recording system using 12,65 mm (0,5 in) magnetic tape – Format HD-D5.
– Part 1: VTR specifications
– Part 2: Compression format
– Part 3: Data stream format
Part 1 describes the VTR specifications which are tape, magnetization, helical recording,
modulation method and basic system data for high definition video compressed data on 29,97
or 59,94 frame rate.
Part 2 describes the specifications for encoding process and data format for 1080i and 720p
systems.
This part 3 describes the specifications for transmission of HD-D5 compressed video and audio
data stream over 360 Mb/s serial digital interface.

62330-3  IEC:2003 – 5 –
HELICAL-SCAN DIGITAL VIDEO CASSETTE RECORDING SYSTEM
USING 12,65 mm (0,5 in) MAGNETIC TAPE – FORMAT HD-D5 –

Part 3: Data stream format
1 Scope
This part of IEC 62330 defines the data stream used for synchronous transmission of HD-D5
compressed video and audio data over 360 Mb/s serial digital interface (SDI) for the 525/60
system as defined in SMPTE 259M.
This practice does not define data stream structure applicable for transmission over the serial
data transport interface (SDTI), SMPTE 305M.
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.
ANSI/SMPTE 259M, Television – 10-bit 4:2:2 Component and 4fsc NTSC Composite Digital
Signals – Serial Digital Interface
ANSI/SMPTE 272M, Television – Formatting AES/EBU Audio and Auxiliary Data into Digital
Video Ancillary Data Space
3 DIF block mapping
HD-D5 compressed digital video data, assembled as a DIF block stream, are mapped onto an
SDI video field for transmission.
3.1 DIF block and DIF slice
One field of 1 080/60i, or one frame of 720/60p compressed video is represented by 5 760 DIF
Blocks defined in Part 2 as shown in Figure 1.
0     1     2      3      - - - - - - - - - - - - - - - - -     5 756  5 757  5 758  5 759
DIF block 8 bits
Bytenumber
in DIF block i :
0, 1, 2,         83, 84

Figure 1 – DIF block
5 760 DIF blocks are divided into 480 DIF slices, each DIF slice comprising of 12 DIF blocks.
DIF blocks in one field (1 080i), or one frame (720p) of video are numbered from 0 through
5 759. Likewise, DIF slices are numbered from 0 through 479.

– 6 – 62330-3  IEC:2003
The relationship between DIF block number (BN) and DIF slice number (SN) within the video
field or frame is as shown below:
SN = int (BN / 12)   where BN = 0 to 5 759
DIF Slice structure is shown in Figure 2.
0     1     2      3     4      5      6     7     8      9     10     11
SN = 0
SN = 1
12    13     14    15     16     17    18     19    20     21    22     23
SN = 479 5 748  5 749  5 750  5 751  5 752  5 753  5 754  5 755  5 756  5 757  5 758  5 759
BN = 0 to 5 759
Figure 2 – DIF slice structure
3.2 Mapping of DIF blocks over SDI
DIF Blocks shall be mapped into 360 Mb/s SDI that is specified in ANSI/SMPTE 259M. One 1
080i field or one 720p frame of 5 760 DIF blocks, containing 489 600 words, are mapped into a
rectangular area of 1 920 word columns (from sample number 0 to 1 919 horizontally) by 255
word rows (from line number 9 to 263 in the first field or from line number 271 to 525 in the
second field vertically) on SDI. In the case of 1 080i, DIF blocks of the 1st field compressed
video data shall be mapped into the first field of SDI and DIF Blocks of the second field
compressed video data shall be mapped into the second field of SDI respectively.
One field contains 480 slice cells. One slice cell is composed of 4 word columns by 255 word
rows. The slice cell structure over SDI is shown in Figure 3. Each DIF slice (see Figure 2) is
allocated into each slice cell according to the following expression:
CN = (SN × 4) mod 480 + int (SN / 120)
where
SN: DIF slice number
CN: Slice cell number
Each slice cell is divided into 12 DIF areas. The DIF area, consisting of 85 words, has four
different area configurations; i.e. type A through D as shown in Figure 4. Each DIF area is
identified by a DIF area number (AN). The DIF block number (BN), DIF area number (AN), and
slice cell number (CN) are correlated through the following expressions:
CN = { int (BN / 12) × 4 } mod 480 + int (BN / 1 440)
AN = BN mod 12
where BN = 0 to 5 759
62330-3  IEC:2003 – 7 –
Ancillary data space
Sample number
0   - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  1 919
1 920 words
Line number
[CN]
(1st field/2nd field)
0    1    2   3    4    5   6    7    8   - - - - - - - - - - - - - - - - - - - - - -  476  477 478  479
[AN]
- - -  9 / 271
0 1 4402 8804 320 12 1 4522 8924 332 24 1 4282 8684 3085 748
1 1 1 4412 8814 321 13 1 4532 8934 333 25 1 4292 8694 3095 749
2 2 1 4422 8824 322 14 1 4542 894 2 8704 3105 750
3 3 1 4432 8834 323 15 4 3115 751
4 4 1 4442 884 5 752
5 5
words
SN  SN  SN SN SN SN SN  SN SN                            SN  SN  SN  SN
0 120  240 360 1   121  241 361 2     - - - - -          - - - - -   119  239 359 479
Slice
cell
10 5 758
4 3195 759
11 1 451
- -  263 / 525
4 words
AN : DIF area number (0 to 11)
EAV SAV
BN : DIF block number (0 to 5 759)
SDI video field
CN : Slice cell number (0 to 479)
SN : DIF slice number (0 to 479)

Figure 3 – Slice sell structure over SDI
...