Many versions include [SDH] tags, which provide descriptions of non-speech sounds (e.g., [ominous screeching] or [gunshot] ), which is particularly helpful for horror films. Where to Find/Use Them
Picking up a year after the events in Barrow, Alaska, Stella Olemaun (played here by Kiele Sanchez) travels the world trying to convince people that vampires exist. She eventually joins a group of vampire hunters in Los Angeles to take down Lilith, the vampire queen responsible for the attack on her town. Technical File Specifications subtitle 30.Days.of.Night:.Dark.Days.2010.720p....
Most modern subtitles come in .SRT (SubRip) or .ASS formats. Many versions include [SDH] tags, which provide descriptions
If using VLC Media Player , you can go to View > VLsub to automatically find subtitles that match your file's hash. Many versions include [SDH] tags