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INDEXED GLOSSARY
AMPLIFIER. Apparatus for operating a loudspeaker or recording equipment from electrical impulses otherwise too feeble for the purpose. Generally it employs valves similar to those in a radio set 10
AUTO-COUPLINGS. A method of arranging disc recordings back to back so that an automatic record-changer will play them in correct sequence 20
BALANCING STRIPE. A second stripe applied to the opposite margin of "striped" film to ensure even spooling ... ... ... 105
BLIMP. A box enclosing a camera or projector while it is running so that mechanical noise is greatly reduced 145
BLIND SHOTS. Shots used at the beginning or end of a sound effect and not showing the origin of the sound on the screen ... 127
BLOOP. An oblique opaque line painted across a sound track to obscure a splice or defect 64
CAPSTAN. The drum or roller pulling wire or tape through a magnetic recorder 65
CHASSIS. The metal framework to which are attached the components of a radio set or amplifier II
CLAPPER BOARD. A board and hinged batten used when shooting a film with lip-synchronisation for producing synchronised marks on both picture and sound record 130
CORNING-UP. The accumulation of particles of emulsion to produce hard lumps in the film channel 105
COUNTERPOINT. The use of sound to present an aspect of the story different from, but complementary to, that shown by the picture ... ... ... ... ... ... ... ... 115
CREEP. The difference between the tape speed and capstan speed, due to the effects of tension and elasticity 95
CUTTING COPY. A silent print made from an un-edited picture negative. The print is edited and used as a guide for cutting the negative preparatory to the production of married prints ... 55
CRYSTAL PICK-UP. A type of pick-up producing electrical impulses from a mineral crystal instead of a magnet and coil. It has an extremely high resistance 13
DISC RECORDING. Sound recorded mechanically as a spiral, wavy groove on a disc; the ordinary gramophone record ... ... 41
DUBBING. The re-recording of sound, e.g., from disc on to tape or film 138
152