It looks like you're referencing a release label for the Bollywood movie . The string you provided ( RAEES 2017 HQ 1080p WebRip x264 DTSHD 5.1 ESub ... ) is a typical file naming convention used by piracy release groups.
: The title and release year of the Indian Hindi-language action crime film directed by Rahul Dholakia, starring Shah Rukh Khan, Nawazuddin Siddiqui, and Mahira Khan. RAEES 2017 HQ 1080p WebRip x264 DTSHD 5.1 ESub ...
This stands for "Embedded Subtitles." It means that subtitle files for the movie are included within the video container, typically in a soft-sub format. This allows the viewer to easily turn the subtitles on or off during playback. It looks like you're referencing a release label
The x264 (H.264) codec is the industry standard for balancing high compression with high quality. It ensures smooth playback across various devices, including smart TVs, laptops, and media players, without compromising the visual experience. 4. DTSHD 5.1 Surround Sound : The title and release year of the