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BS EN 60461:2011

Current
Current

The latest, up-to-date edition.

Time and control code
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

07-31-2011

Publisher

British Standards Institution

INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions and reserved
4 Time representation in 30 frames per second and 60
   frames per second systems
5 Time representation in 25 frames per second and 50
   frames per second systems
6 Time representation in 24-frame systems
7 Structure of the time address and control bits
8 Linear time code application
9 Vertical interval application - Analogue television
   systems
10 Relationship between LTC and VITC
11 Progressive systems with frame rates greater than 30
   frames per second
Annex A (informative) - Explanatory notes
Annex B (informative) - Converting time codes when converting
        video from 24 fps television systems
Bibliography
Annex ZA (normative) - Normative references to international
         publications with their corresponding European
         publications

Describes a time address, binary groups, and flag bit structure. Also describes a binary group flag assignment, a linear time code transport, and a vertical interval time code transport.

IEC 60461:2012 specifies a digital time and control code for use in television, film, and accompanying audio systems operating at nominal rate of 60, 59, 94, 50, 30, 29, 97, 25, 24 and 23,98 frames per second. This International Standard specifies a time address, binary groups, and flag bit structure. In addition, the standard specifies a binary group flag assignment, a linear time code transport, and a vertical interval time code transport. It cancels and replaces the third edition published in 2001, of which it constitutes a technical revision. It includes the following significant change with regard to the previous edition: The time code for progressive television systems with a frame rate greater than 30 frames per second is added. This bilingual version (2012-01) corresponds to the monolingual English version, published in 2010-03.

Committee
EPL/100
DevelopmentNote
Supersedes BS 6865(1987), 99/202953 DC. (12/2001) Supersedes 09/30199949 DC. (07/2011)
DocumentType
Standard
Pages
48
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
I.S. EN 60461:2011 Identical
IEC 60461:2010 Identical
DIN EN 60461:2011-08 Identical
SN EN 60461 : 2001 Identical
EN 60461:2011 Identical
NF EN 60461 : 2012 Identical

IEC 61169-8:2007 Radio-frequency connectors - Part 8: Sectional specification - RF coaxial connectors with inner diameter of outer conductor 6,5 mm (0,256 in) with bayonet lock - Characteristic impedance 50 Ω (type BNC)
SMPTE ST 318 : 1999 SYNCHRONIZATION OF 59.94- OR 50-HZ RELATED VIDEO AND AUDIO SYSTEMS IN ANALOG AND DIGITAL AREAS - REFERENCE SIGNALS
SMPTE ST 293 : 2003 TELEVISION - 720 X 483 ACTIVE LINE AT 59.94 HZ PROGRESSIVE SCAN PRODUCTION - DIGITAL REPRESENTATION
SMPTE RP 164 : 1996 LOCATION OF VERTICAL INTERVAL TIME CODE
SMPTE RP 188 : 1999 TRANSMISSION OF TIME CODE AND CONTROL CODE IN THE ANCILLARY DATA SPACE OF A DIGITAL TELEVISION DATA STREAM
SMPTE RP 196 : 1997 TRANSMISSION OF LTC AND VITC DATA AS HANC PACKETS IN SERIAL DIGITAL TELEVISION INTERFACES
SMPTE ST 12-2 : 2014 TRANSMISSION OF TIME CODE IN THE ANCILLARY DATA SPACE
SMPTE ST 125 : 2013 SDTV COMPONENT VIDEO SIGNAL CODING 4:4:4 AND 4:2:2 FOR 13.5 MHZ AND 18 MHZ SYSTEMS
SMPTE RP 169 : 1995 TELEVISION, AUDIO AND FILM TIME AND CONTROL CODE - AUXILIARY TIME ADDRESS DATA IN BINARY GROUPS - DIALECT SPECIFICATION OF DIRECTORY INDEX LOCATIONS
SMPTE ST 258 : 2004 TELEVISION - TRANSFER OF EDIT DECISION LISTS
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
ISO/IEC 2022:1994 Information technology Character code structure and extension techniques
SMPTE RP 179 : 2002 DIALECT SPECIFICATION OF PAGE-LINE DIRECTORY INDEX FOR TELEVISION, AUDIO AND FILM TIME AND CONTROL CODE FOR VIDEO-ASSISTED FILM EDITING
SMPTE RP 136 : 2004 TIME AND CONTROL CODES FOR 24, 25 OR 30 FRAME-PER-SECOND MOTION-PICTURE SYSTEMS
SMPTE ST 266 : 2012 SD DIGITAL COMPONENT SYSTEMS - DIGITAL VERTICAL INTERVAL TIME CODE
SMPTE ST 274 : 2008 TELEVISION - 1920 X 1080 IMAGE SAMPLE STRUCTURE, DIGITAL REPRESENTATION AND DIGITAL TIMING REFERENCE SEQUENCES FOR MULTIPLE PICTURE RATES
SMPTE EG 40 : 2016 CONVERSION OF TIME VALUES BETWEEN SMPTE 12-1 TIME CODE, MPEG-2 PCR TIME BASE AND ABSOLUTE TIME
SMPTE RP 135 : 2004 USE OF BINARY USER GROUPS IN MOTION-PICTURE TIME AND CONTROL CODES
SMPTE RP 168 : 2009 DEFINITION OF VERTICAL INTERVAL SWITCHING POINT FOR SYNCHRONOUS VIDEO SWITCHING
ISO/IEC 646:1991 Information technology ISO 7-bit coded character set for information interchange
SMPTE ST 240 : 1988 TELEVISION - 1125-LINE HIGH-DEFINITION PRODUCTION SYSTEMS - SIGNAL PARAMETERS
SMPTE RP 159 : 1995 VERTICAL INTERVAL TIME CODE AND LONGITUDINAL TIME CODE RELATIONSHIP
SMPTE ST 170 : 2004 TELEVISION - COMPOSITE ANALOG VIDEO SIGNAL - NTSC FOR STUDIO APPLICATIONS
SMPTE ST 292 : 2008 1.5 GB/S SIGNAL/DATA SERIAL INTERFACE
SMPTE ST 260 : 1992 TELEVISION - 1125/60 HIGH-DEFINITION PRODUCTION SYSTEM - DIGITAL REPRESENTATION AND BIT-PARALLEL INTERFACE
SMPTE ST 262 : 1995 TELEVISION, AUDIO AND FILM - BINARY GROUPS OF TIME AND CONTROL CODES - STORAGE AND TRANSMISSION OF DATA
SMPTE ST 309 : 2012 TRANSMISSION OF DATE AND TIME ZONE INFORMATION IN BINARY GROUPS OF TIME AND CONTROL CODE

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