iPhone video and SMPTE color bars were filmed on 16mm at 24fps. The digital overscan of the celluloid is played back at 0.24fps (1% of the original speed). The film is a sequence of 15-second shots in which the computer creates hundreds of frames sampling from three frames. It chooses how to build natural forms out of one of the standard test patterns of NTSC video created by The Society of Motion Picture and Television Engineers.