09/30199949 DC : 0
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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BS EN 60461 ED 4 - TIME AND CONTROL CODE
Hardcopy , PDF
31-07-2011
English
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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 |
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