: If you only need a specific "piece" of a video rather than the full file, tools like FFmpeg can be used to capture a timed segment by specifying a start time ( -ss ) and duration ( -t ).

MP4 Video Repair - تنزيل وتثبيت على Windows | Microsoft Store

If you are looking for a "piece" or a specific section of such a file, here are the most common contexts and ways to handle it: Managing and Trimming "FhV" Video Files

In academic or research settings, "FHV" can refer to the . There are scientific videos (often labeled as Movie S1, S2, etc.) that demonstrate virus behaviors or lab techniques like "inkjet-based intracellular delivery" that are distributed as MP4 files.