To this end, many comedies of this period, including " Leave It to Beaver ", " Mister Ed ", " The Andy Griffith Show ", " My Three Sons ", " optical printing techniques, and would not have been possible had the shows been shot using a multi-camera setup.
22.
Between March 2006 and January 2008, the restoration of " This Happy Breed ", combining digital and photochemical techniques, was carried out at the British Film Institute's National Archive's Conservation Centre in Berkhamsted and at Cineric, a post-production facility which combines optical printing and photochemical restoration with innovative digital techniques, in New York City.
23.
Acquiring the matte film element ( as a first-generation original ) at the same time as the live action makes a much better fit during optical printing, because it requires fewer separate, duplicate film generations than does bluescreen ( though both processes degrade the image and introduce more " error " to the resulting matte ) in the process of achieving sufficiently dense mattes.
