HDR stands for High Dynamic Range. It’s a high-end feature that allows for better color reproduction in any given scene. When HDR is enabled, your iPhone is able to record a wider gamut of colors, and more accurately balances the contrast of the frame’s darkest and lightest areas. On top of this, the iPhone’s HDR capability supports Dolby Vision, which helps the target screen make the most out of all the extra visual data.
To enable HDR video on your iPhone, first, open the “Settings” app, and then scroll down to the Camera option.
Next, select “Record Video.”
Finally, toggle on “HDR Video (High Efficiency).”
Before switching on HDR videos, keep in mind that they are recorded in the “High Efficiency” mode. This means that they’ll be stored on your phone in the HEVC format instead of in the more broadly compatible MP4 file type. However, your iPhone can automatically convert HEVC videos to MP4, so you don’t have to worry about doing that yourself before sharing HDR videos.
As far as playback is concerned, most latest-gen phones and computers, including iPhones (iPhone X or above) and MacBooks (2018 or later), can play HDR videos without any hassle. On incompatible screens, your HDR video will play in the normal, lower-quality standard.
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