It is not possible to write a meaningful or substantial "article" about the specific keyword string you provided:

The string "Ram.Setu.2022.1080p.AMZN.WEB-DL.MULTI.DDP5.1.H.264-Telly"

DDP5.1: Refers to the audio format. DDP stands for "Dolby Digital Plus" or "Dolby Digital Pro Logic II," and 5.1 indicates that the audio is in 5.1 surround sound, which includes five full-bandwidth channels (left, center, right, left rear, right rear) and one subwoofer channel.

H...: This part seems to be truncated but could indicate the file's format or additional features, such as HDR (High Dynamic Range) for enhanced color and contrast.

Ram.Setu.2022.1080p.AMZN.WEB-DL.MULTI.DDP5.1.H....