Subtitle Ammonite.2020.720p.amzn.web-dl.ddp5.1.... Access

: Stands for Dolby Digital Plus 5.1 , indicating surround sound audio. Ammonite (2020) - Plot - IMDb

If you are looking for the subtitle file itself or trying to understand the technical "story" of that specific version, here is what those tags mean: : The video resolution (High Definition). AMZN : The source of the file was Amazon Prime Video . subtitle Ammonite.2020.720p.AMZN.WEB-DL.DDP5.1....

: The file was downloaded directly from a streaming service without being re-encoded. : Stands for Dolby Digital Plus 5