: The parentheses usually indicate a duplicate filename or a sequential file segment created when a continuous recording is split into smaller parts for easier storage and playback.
: A clip triggered by motion detection or a scheduled recording from a home monitoring system. True_IPCAMB_1_(1).MP4
: If you use a mobile app to manage your cameras, this is the default format used when you "save" or "download" a clip from the cloud to your phone's gallery. : The parentheses usually indicate a duplicate filename