SMPTE規格 ST 425-1, 2017: Source Image Format and Ancillary Data Mapping for the 3 Gb/s Serial Interface

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SMPTE規格 ST 425-1, 2017【見積商品】

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SMPTE ST 425-1: 2017 Source Image Format and Ancillary Data Mapping for
the 3 Gb/s Serial Interface
発行元 SMPTE
発行年/月 2017年10月   
装丁 ペーパー
ページ数 32 ページ
発送予定 御見積時にお知らせします
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Description

This standard defines three mapping formats: Level A, Level B Dual-Link mapping and Level B Dual-Stream mapping as described below;

Level A specifies:

- The direct mapping of various uncompressed video image formats as defined in Table 1;
- The direct mapping of packetized data;
- The carriage of ancillary data such as the audio data, the audio control packets, the payload ID, the time code, etc.;

into a serial digital interface operating at a nominal rate of 3 Gb/s.

Level B Dual-Link mapping specifies: The mapping of the SMPTE ST 372 Dual Link interface (Dual-Link mapping) as defined in Table 13 into a serial digital interface operating at a nominal rate of 3 Gb/s.

Level B Dual-Stream mapping specifies: The mapping of 2 x SMPTE ST 292-1 (HD-SDI) interfaces (Dual-Stream mapping) as defined in Table 14 into a serial digital interface operating at a nominal rate of 3 Gb/s.

Informative Annex A provides further details on the differences between Level A and Level B mapping.

Uncompressed video image formats or packetized data, and all applicable ancillary data such as the audio data, the audio control packets, the payload ID, the time code, etc. are mapped into SMPTE ST 372 Dual Link and 2 x SMPTE ST 292-1 interfaces prior to mapping into the virtual interfaces.

It is not necessary for implementations to include support for all formats defined in Table 1, Table 13 and Table 14 to conform to this standard. Implementers are encouraged to indicate supported formats in commercial publications