Fixing low brightness (darkness) in 4K HDR movies
Recently, I started watching movies in 4K HDR format more frequently. However, they often appear too dark on both my display and TV. I use the VLC player in both cases. This issue occurs because 4K HDR (High Dynamic Range) movies can look too dark on displays or players that do not fully support HDR. This happens due to the way HDR content is encoded and processed. I’ve decided to investigate why this happens and explore how I can fix it. 1. HDR Content Is Optimized for HDR Displays HDR content is created with a specific emphasis on a wider range of brightness levels (dynamic range) and colors compared to standard dynamic range (SDR) content. HDR uses metadata to provide instructions to HDR-compatible displays about how to render the brightest highlights, darkest shadows, and vibrant colors. When viewed on an HDR-capable display, this content is mapped correctly to take advantage of the screen’s expanded capabilities, resulting in a more vivid and realistic image. 2. Ton...
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