_dlmux_720p_-_-_ita_aac_elementary_s01e23-24_-_... -

: This indicates it is a "Digital Layer Multiplex," meaning the video was likely taken from a high-quality web source (like iTunes or Amazon) and "muxed" (combined) with other audio tracks. 720p : High-definition resolution (1280x720).

If you are having trouble playing the file, ensure your media player (like VLC or MPC-HC) is updated to support AAC audio syncing, as muxed files can sometimes have slight offsets if played on older hardware. _DLMux_720p_-_-_Ita_Aac_Elementary_S01E23-24_-_...

: DLMux files generally avoid the "watermarks" or channel logos found in HDTV rips. : This indicates it is a "Digital Layer

If you are looking for this specific version, it is highly regarded because: _DLMux_720p_-_-_Ita_Aac_Elementary_S01E23-24_-_...

: This covers the two-part season finale where Sherlock confronts Moriarty.