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Contact UsOverview of ARIB Standards (STD-B68)
1. Overview
| STD Number | ARIB STD-B68 |
|---|---|
| Standard Name | Time Code Format in the Interface for UHDTV Production Systems |
| Enactment Date | 12.03.2015 |
| General Description | This standard specifies data structure and multiplexing method for timecode transmission in the interface of studio equipment for the ultra-high definition television (UHDTV) signal. Data structure is a packet structure of 64 bits which is called time information packet, and time code data is transmitted in progressive scanning system of which video frame frequency is 60Hz or 60/1.001Hz. There are user data words (UDW) in the structure of time information packet, and three kinds of data in UDW: time code data, time information data identification code 1 (DBB1) and time information data identification code 2 (DBB2) are specified. As for multiplexing method, the multiplexing method for time information packet is provided, and multiplexing in case of transmitting by interface provided in STD-B58 is also specified. |
2. Amendment History
| Ver. | Amendment or Enactment Date | Amendment summary |
|---|---|---|
| 2.0 | 07.27.2017 | By expanding the time code format based on SMPTE ST 12-3 that specifies the high frame rate time code, the time code format corresponding to the high frame rate video from 60 Hz to 120 Hz is defined. |
| 1.0 | 12.03.2015 | Enactment |
