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SMPTE ST 425-3

Image Format and Ancillary Data Mapping for the Dual Link 3 Gb/s Serial Interface

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Organization: SMPTE
Publication Date: 26 March 2015
Status: active
Page Count: 45
scope:

This standard defines 1080-line and 2160-linemapping formats as described below;

1080-line mapping specifies:

The mapping of the image formats of 1920 × 1080 and 2048 × 1080 pixels listed in Table 2 into four parallel 10-bit data streams (known as data stream one, data stream two, data stream three and data stream four) of a 40-bit virtual interface, followed by the mapping of these four 10-bit data streams onto the Dual Link 3 Gb/s Serial Interface (3G-SDI Link 1 and Link 2) via two 20-bit virtual interfaces.

2160-line mapping specifies:

The mapping of the image formats of 3840 × 2160 and 4096 × 2160 pixels listed in Table 3 into four parallel 10-bit data streams (known as data stream one, data stream two, data stream three and data stream four) of a 40-bit virtual interface, followed by the mapping of these four 10-bit data streams on to the Dual Link 3 Gb/s Serial Interface (3G-SDI Link 1 and Link 2) via two 20-bit virtual interfaces.

This standard also defines the carriage of ancillary data such as the audio data, the audio control packets, the payload identifier and the time code.

It is not necessary for implementations to include support for all formats that are included in this standard. Implementers should indicate supported formats in commercial publications.

Document History

SMPTE ST 425-3
March 26, 2015
Image Format and Ancillary Data Mapping for the Dual Link 3 Gb/s Serial Interface
This standard defines 1080-line and 2160-linemapping formats as described below; 1080-line mapping specifies: The mapping of the image formats of 1920 × 1080 and 2048 × 1080 pixels listed in Table...
March 26, 2015
Image Format and Ancillary Data Mapping for the Dual Link 3 Gb/s Serial Interface - Amendment 1
Introduction The purpose of this amendment is to add detail about the placement of audio data and control packets in the 1080-line Level A mapping, to describe the mapping of 4:2:0 source images, to...
February 20, 2014
Image Format and Ancillary Data Mapping for the Dual Link 3 Gb/s Serial Interface
This standard defines 1080-line and 2160-linemapping formats as described below; 1080-line mapping specifies: The mapping of the image formats of 1920 × 1080 and 2048 × 1080 pixels listed in Table...

References

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