• There are no items in your cart
We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
Dismiss alert

09/30199949 DC : 0

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

BS EN 60461 ED 4 - TIME AND CONTROL CODE
Available format(s)

Hardcopy , PDF

Superseded date

31-07-2011

Language(s)

English

FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Time representation in 30 and 60 frames per
   second systems
   4.1 Definitions of real time and NTSC time
   4.2 Time address of a frame
   4.3 Colour frame identification in NTSC analogue
        composite television systems
5 Time representation in 25 and 50 frames per
   second systems
   5.1 Definition of real time
   5.2 Time address of a frame
   5.3 Colour frame identification in PAL analogue
        composite television systems
6 Time representation in 24-frame systems
   6.1 Definitions of real time and NTSC time
   6.2 Time address of a frame
7 Structure of the time address and control bits
   7.1 Numeric code
   7.2 Time address
   7.3 Flag bits
   7.4 Use of the binary groups
   7.5 Clock time reference - Binary group flag combinations
8 Linear time code application
   8.1 Code word format
   8.2 Code word data content
   8.3 Modulation method
   8.4 Bit rate
   8.5 Timing of the code word relative to a television signal
   8.6 Linear time code interface electrical and
        mechanical characteristics
9 Vertical interval application - Analogue Television systems
   9.1 Code word format
   9.2 Code word data content
   9.3 Modulation method
   9.4 Bit timing
   9.5 Timing of the code word relative to the television
        signal
   9.6 Location of the address code signal in the vertical
        interval
   9.7 Redundancy
   9.8 Vertical interval time code waveform characteristics
10 Relationship between LTC and VITC
   10.1 Time address data
   10.2 Binary group data
   10.3 VITC and LTC code word comparison
11 Progressive systems with frame rates greater than
   30 frames per second
   11.1 Time address of a frame pair in 50 and 60
        frames per second progressive systems
   11.2 Implementation guidelines (informative)
Annex A (informative) - Explanatory notes
   A.1 Time precision
   A.2 Leap second corrections
   A.3 Frames and time code
Annex B (informative) - Converting time codes when
        converting video from 24 frames per second
        television systems
   B.1 Conversion of time codes
   B.1 Conversion of 24/1.001 (23.98) fps video to 30/1.001
        (29.97) fps video
   B.2 Conversion of 24 fps video to 25 fps video
Bibliography

BS EN 60461 ED 4

Committee
EPL/100
DocumentType
Draft
Pages
42
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

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
IEC 60169-8:1978 Radio-frequency connectors. Part 8: R.F. coaxial connectors with inner diameter of outer conductor 6.5 mm (0.256 in) with bayonet lock - Characteristic impedance 50 ohms (Type BNC)
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
IEC 60461:2010 Time and control code
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

View more information
£20.00
Excluding VAT

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.