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| Chinese National Standard Category: Code, character set and character recognition |
| English Title: | High dynamic range (HDR) video technology—Part 1: Metadata and processing |
| Chinese Title: | 高动态范围（HDR）视频技术 第1部分: 元数据及适配 |
| Standard No.: | GB/T 46269.1-2025 |
| Category No.: | L71 |
| Issued by: | SAMR; SAC |
| Issued on: | 2025-8-29 |
| Implemented on: | 2026-3-1 |
| Status: | to be valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 32500 words |
| Similar Standards: |
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