IVTC和3: 2PULL DOWN正好相反
IVTC是把30FPS->24FPS,而3: 2PULL DOWN則是把24FPS->30FPS
3: 2PULL DOWN又叫做Telecine(TELEvision from CINEma)
和IVTC(InVerse TeleCine)正好是相反低~~~從英文來看就很明顯了

真正電影的膠捲是24FPS,但電視卻是29.976FPS interlaced,於是我們便將24FPS降低0.01%的速率變成23.976然後再做3: 2PULL DOWN(Telecine),如此一來才能在電視上撥放
了解了嗎??