RT Journal Article SR Electronic A1 Thein, Karel T1 Color versus Sound or Triumph of Trichromatic Technicolor. A Brief Note on the Rhythm of Film History JF Iluminace YR 2001 VO 13 IS 2 SP 33 OP 40 UL https://iluminace.cz/en/artkey/ilu-200102-0002.php AB The reflection develops the thesis that the most dramatic turning point in the history of film is not the advent of sound, but one of the phases of the transition to colour in the sense of dichromy and trichromy of the film strip.