[witanime.com] Smnb Ep 12 End Bd-hd.mp4 ⇒

The sound doesn't match the characters' lip movements.

Indicates the source is a Blu-ray Disc (BD) rather than a TV broadcast, typically offering higher quality and uncensored visuals. MP4: The video file container. ✅ Summary [Witanime.com] SMNB EP 12 END BD-HD.mp4

Artifacting, dropped frames, or encoding errors. The sound doesn't match the characters' lip movements

The site or group that encoded/uploaded the file. [Witanime.com] SMNB EP 12 END BD-HD.mp4

If you see in a file name, it is almost always the best version to download , as it solves a known problem found in the "Internal" or original release.