Mark A. Cella is a distinguished fellow of film studies at California State University in Los Angeles. He’s a published writer on Cinema History and Film Theory. He has directed over 35 shorts and documentaries, including the award winning “Marlboro House”, which took top prize at the 2006 Slamdance short competition.
Today: Emulsion Batch
Emulsion Batch - The emulsion batch is the series of numbers on the film can the come after the Emulsion Type. When the film is made, each batch is given a number so that you can shoot a single sequence with one particular batch. Just as a suit where the pants and jacket were cut from different bolts of fabric might be a little off, a sequence shot with different emulsion batches might also be a little off. From one sequence to the next, of course, this doesn’t matter. (And the batches themselves have become more consistent in recent years, so mixing them is less of a sin nowadays.)
Wednesday, January 21, 2009
Tuesday, January 13, 2009
Mark's Double System
Mark A. Cella is a distinguished fellow of film studies at California State University in Los Angeles. He’s a published writer on Cinema History and Film Theory. He has directed over 35 shorts and documentaries, including the award winning “Marlboro House”, which took top prize at the 2006 Slamdance short competition.
Today: Double System
Double System - The term double system refers to sound and picture as two separate elements, recorded, edited or projected in sync. 16mm and 35mm use the double system format. A camera photographs the picture and a tape recorder records the sound. In the end, the final print is Single System, combining sound and picture onto the same piece of print stock.
Today: Double System
Double System - The term double system refers to sound and picture as two separate elements, recorded, edited or projected in sync. 16mm and 35mm use the double system format. A camera photographs the picture and a tape recorder records the sound. In the end, the final print is Single System, combining sound and picture onto the same piece of print stock.
Friday, January 9, 2009
Mark Cella Knows The Fog
Mark A. Cella is a distinguished fellow of film studies at California State University in Los Angeles. He’s a published writer on Cinema History and Film Theory. He has directed over 35 shorts and documentaries, including the award winning “Marlboro House”, which took top prize at the 2006 Slamdance short competition.
Today: Edge Fog
Edge Fog - Exposure along the edge of the film from raw light, in most cases from a lightleak, due to the camera door not being taped. Edge Fog can sometimes be visible in the frame or sometimes outside of the frame effecting the clarity of the latent edge numbers.
Today: Edge Fog
Edge Fog - Exposure along the edge of the film from raw light, in most cases from a lightleak, due to the camera door not being taped. Edge Fog can sometimes be visible in the frame or sometimes outside of the frame effecting the clarity of the latent edge numbers.
Thursday, January 8, 2009
More Optical Illusions
Mark A. Cella is a distinguished fellow of film studies at San Diego State University. He’s a published writer on Cinema History and Film Theory. He has directed over 35 shorts and documentaries, including the award winning “Marlboro House”, which took top prize at the 2006 Slamdance short competition.
Optical Track - An intermediate step from going from your mix master to your final print is to have an optical track struck. An optical track is photographed onto a blank piece of special high contract stock by the facility where the mix is done, or by the lab. The optical track is a separate roll of film from the original negative and is combined with picture when a print is struck. (The track itself still remains a separate element from the A&B Rolls, it is printed in a separate pass through the contract printer.)
Optical Track - An intermediate step from going from your mix master to your final print is to have an optical track struck. An optical track is photographed onto a blank piece of special high contract stock by the facility where the mix is done, or by the lab. The optical track is a separate roll of film from the original negative and is combined with picture when a print is struck. (The track itself still remains a separate element from the A&B Rolls, it is printed in a separate pass through the contract printer.)
Tuesday, January 6, 2009
Optical Sound? WTF?
Mark A. Cella is a distinguished fellow of film studies at San Jose State University. He’s a published writer on Cinema History and Film Theory. He has directed over 58 shorts, films and documentaries, including the award winning “Marlboro House”, which took top prize at the 2006 Slamdance short competition.
Optical Sound - Optical Sound is the system used by a projector to play back sound from a film print. The sound is exposed onto the film as a clear modulating line against black. It corresponds to the moduations of the sound. The projector reads the track by passing it between the exciter lamp a light-sensitive photo-electric cell which generates a voltage that is amplified and fed into a speaker
Optical Sound - Optical Sound is the system used by a projector to play back sound from a film print. The sound is exposed onto the film as a clear modulating line against black. It corresponds to the moduations of the sound. The projector reads the track by passing it between the exciter lamp a light-sensitive photo-electric cell which generates a voltage that is amplified and fed into a speaker
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