A clean, straightforward library hosting official 4K HDR demo loops from LG, Samsung, Sony, and SES Astra.
Bright tropical landscapes, colorful animals, or close-up macro shots of food and textures.
Look for clips featuring specular highlights—such as sunlight reflecting off waves, chrome cars, or neon lights against a dark night. These scenes test your display’s localized dimming zones (on Mini-LED or FALD TVs) or its pixel-level brightness (on OLED panels) without causing "blooming" or halo effects. Shadow Detail and Infinite Black Tests
For a completely optimized experience, I can help you find a sample that specifically tests that format. Samples - Official Kodi Wiki
To properly appreciate a high-quality 4K HDR sample, your hardware must meet certain thresholds.
Streaming platforms like Netflix, Disney+, and YouTube offer massive libraries of 4K HDR content, but they use aggressive compression algorithms to save internet bandwidth. A typical 4K stream operates at a bitrate of 15 to 25 Mbps. In contrast, a high-quality 4K sample MKV file sourced from a UHD Blu-ray can average between 60 and 120 Mbps.
When downloading test files, understanding the strengths of MKV versus MP4 and other containers can help you make the right choice for your specific test.
The baseline standard for high dynamic range. It uses static metadata, establishing a single brightness boundary for the entire video file.
For content that is both incredibly high-quality and free to use, the initiative is unparalleled. Netflix has released a collection of professional-grade titles shot in 4K HDR with Dolby Vision and Atmos. These are real-world, cinematic assets available under a Creative Commons Attribution 4.0 license.
Ensure you are using the latest version with hardware acceleration enabled.
In the world of home theater calibration and high-end display testing, nothing beats a high-quality file. Whether you’ve just unboxed a new OLED TV, invested in a high-brightness projector, or want to test the limits of your media player (like VLC, Plex, or an Nvidia Shield), these samples serve as the gold standard for evaluating picture quality.
If you are looking to test a specific aspect of your TV, such as or 60fps motion , I can recommend a particular file from the sources above.
Before you play the file, use (free tool) to inspect the MKV. Look for these three lines: