A and B ROLLS - The negative of an edited film, cut to picture, but built into 2 rolls, A and B, to allow for invisible splices, instant changes of the timing lights, fades and dissolves. A roll will have all the odd numbered shots, with black leader in place of any missing shots contained on the B roll. B roll has all the even numbered shots, with black leader in place of all the shots on the A roll. Negative is printed in 3 passes through the contact printer, one for each roll, and another for soundtrack. ACADEMY APERTURE - In 35mm this is the full frame exposed by the camera, with an aspect ratio of 1:33. A.D.R. - Automated Dialogue Recording. Very popular term. This is essentially Dubbing, done in addition to, or as replacement for Location Sound. The term A.D.R. has certain secrecy around it, probably because it obscures the fact that dubbing sound was involved when it appears on the credits of films. ANAMORPHIC - Method of cr...