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IEC 62447-1:2007

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Current

The latest, up-to-date edition.

Helical-scan compressed digital video cassette system using 6,35 mm magnetic tape - Format D-12 - Part 1: VTR specifications
Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English

Published date

06-05-2007

FOREWORD
1 Scope
2 Normative references
3 Abbreviations and acronyms
4 Environment and test conditions
   4.1 Environment
   4.2 Reference tape
   4.3 Calibration tapes
        4.3.1 Tape
        4.3.2 Record locations and dimensions
        4.3.3 Calibration signals
5 Tape
   5.1 Base
   5.2 Width
   5.3 Width fluctuation
   5.4 Reference edge straightness
   5.5 Tape thickness
   5.6 Transmissivity
   5.7 Offset yield strength
   5.8 Magnetic coating
   5.9 Coating coercivity
6 Helical recordings
   6.1 Tape speed
   6.2 Sectors
   6.3 Record location and dimensions
   6.4 Helical track record tolerance zones
   6.5 Relative positions of recorded information
        6.5.1 Relative positions of longitudinal tracks
        6.5.2 Programme area reference point
   6.6 Gap azimuth
        6.6.1 Cue and control track
        6.6.2 Helical track
   6.7 Transport and scanner
7 Programme track data
   7.1 General
        7.1.1 Introduction
        7.1.2 Labeling convention
        7.1.3 Signal processing
        7.1.4 Magnetization
   7.2 Insert and track information (ITI) sector
        7.2.1 Structure
        7.2.2 ITI preamble
        7.2.3 Start sync area (SSA)
        7.2.4 Track information area (TIA)
        7.2.5 ITI postamble
   7.3 Audio sector
        7.3.1 Structure
        7.3.2 Audio pre and post-amble
        7.3.3 Audio sync block
   7.4 Video sector
        7.4.1 Structure
        7.4.2 Video pre and post-amble
        7.4.3 Video sync block
   7.5 Subcode sector
        7.5.1 Structure
        7.5.2 Subcode preamble and postamble
        7.5.3 Subcode sync block
   7.6 Edit gap
8 Audio processing
   8.1 Introduction
   8.2 Encoding mode
        8.2.1 Source coding
        8.2.2 Emphasis
        8.2.3 Audio error code
        8.2.4 Relative audio-video timing
        8.2.5 Audio frame processing
   8.3 Audio shuffling
   8.4 Audio auxiliary data (AAUX)
        8.4.1 AAUX source pack (AS)
        8.4.2 AAUX source control pack (ASC)
   8.5 Error correction code addition
        8.5.1 Inner error correction code
        8.5.2 Outer error correction code
9 Video processing
   9.1 Introduction
   9.2 Compressed macro block and data-sync block
   9.3 Video auxiliary data (VAUX)
        9.3.1 VAUX source pack (VS)
        9.3.2 VAUX source control pack (VSC)
   9.4 Error correction code addition
        9.4.1 Inner error correction code
        9.4.2 Outer error correction code
10 Subcode processing
   10.1 Introduction
   10.2 Subcode data
        10.2.1 Time code pack ( TC )
        10.2.2 Binary group pack ( BG )
   10.3 Error correction code addition
11 Longitudinal tracks
   11.1 Control track
        11.1.1 Method of recording
        11.1.2 Servo reference pulse
        11.1.3 Flux polarity
        11.1.4 Flux level
        11.1.5 Pulse width
        11.1.6 Servo reference pulse timing
        11.1.7 Colour frame indication
   11.2 Cue track
        11.2.1 Method of recording
        11.2.2 Flux level
        11.2.3 Relative timing
Annex A (normative) Tape tension
Annex B (normative) Track pattern during insert editing
Annex C (normative) Cross-tape track measurement technique
Annex D (informative) Relationship between tape length and
                      recording time
Annex E (informative) Interface
Bibliography

It specifies the content, format, and recording method of the data blocks containing video, audio, and associated data which form the helical records on 6,35-mm tape in cassettes as specified in SMPTE 307M. In addition, this standard specifies the content, format, and recording method for longitudinal cue and control tracks.

Committee
TC 100/TA 6
DevelopmentNote
Stability Date: 2026. (11/2012)
DocumentType
Standard
Pages
81
PublisherName
International Electrotechnical Committee
Status
Current

Standards Relationship
DIN IEC 62447-1:2008-01 Identical

IEC 60735:1991 Measuring methods for video tape properties
SMPTE ST 276 : 1995 TELEVISION - TRANSMISSION OF AES-EBU DIGITAL AUDIO SIGNALS OVER COAXIAL CABLE
SMPTE ST 296 : 2012 1280 X 720 PROGRESSIVE IMAGE 4:2:2 AND 4:4:4 SAMPLE STRUCTURE - ANALOG AND DIGITAL REPRESENTATION AND ANALOG INTERFACE
AES 3 : 2009(R2014) AES STANDARD FOR DIGITAL AUDIO ENGINEERING - SERIAL TRANSMISSION FORMAT FOR TWO-CHANNEL LINEARLY REPRESENTED DIGITAL AUDIO DATA
SMPTE ST 274 : 2008 TELEVISION - 1920 X 1080 IMAGE SAMPLE STRUCTURE, DIGITAL REPRESENTATION AND DIGITAL TIMING REFERENCE SEQUENCES FOR MULTIPLE PICTURE RATES
SMPTE 292M : 1998 TELEVISION - BIT-SERIAL DIGITAL INTERFACE FOR HIGH-DEFINITION TELEVISION SYSTEMS
SMPTE ST 272 : 2004 TELEVISION - FORMATTING AES/EBU AUDIO AND AUXILIARY DATA INTO DIGITAL VIDEO ANCILLARY DATA SPACE
SMPTE ST 307 : 1998 TELEVISION DIGITAL RECORDING - 6.35-MM TYPE D-7 AND TYPE D-12 COMPONENT FORMAT - TAPE CASSETTE
SMPTE RP 155 : 2014 REFERENCE LEVELS FOR ANALOG AND DIGITAL AUDIO SYSTEMS
IEC 61834-1:1998+AMD1:2001 CSV Recording - Helical-scan digital video cassette recording system using 6,35 mm magnetic tape for consumer use (525-60, 625-50, 1125-60 and 1250-50 systems) - Part 1: General specifications
IEC 62447-2:2007 Helical-scan compressed digital video cassette system using 6,35 mm magnetic tape - Format D-12 - Part 2: Compression format
SMPTE 12M : 1999 TELEVISION, AUDIO AND FILM - TIME AND CONTROL CODE

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