The proprietary program has this blog post: https://www.cleverfiles.com/help/advanced-camera-recovery-in-disk-drill.html https://www.cleverfiles.com/help/advanc

The proprietary program has this blog post: https://www.cleverfiles.com/help/advanced-camera-recovery-in-disk-drill.html https://www.cleverfiles.com/help/advanced-camera-recovery-in... I think the key point is that cameras don't write the video files in one long contiguous block on disk. They internally split it up and write in an interleaved fashion. It even mentions low-level tricks like manipulating the FAT table so the moov atom which is written last appears at the beginning of the file.