study guide #2 for exam #2
study guide #2 for exam #2 cmp151
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This 2 page Study Guide was uploaded by odette antabi on Friday January 29, 2016. The Study Guide belongs to cmp151 at University of Miami taught by Allegro in Summer 2015. Since its upload, it has received 45 views. For similar materials see Introduction to Digital Production in Cinema And Media Studies at University of Miami.
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Date Created: 01/29/16
CMP STUDY GUIDE 2 1. Define “neutral color balance” When there is an even equal RGB balance. You have white balance which you get with a white card. 2. What do you understand by the term “three-point lighting”? Key light: brightest light Fill light: fills space. Back light 3. What do you understand by the term “lighting ratio? What to we mean by the terms “high key” and “low key”?? Ratio between the key light and the fill light High key: low contrast Low key: high contrast 4. What is the difference between “direct” and “indirect” lighting? Direct: aiming the light at the subject Indirect: bouncing the light 5. What is “soft light”? The light is aimed, toward a white area, is indirect lighting. large-area, diffused sources. 6. What is a Fresnel light? It is a light that has a glass lens; it lets the light be focused 7. In what way can we analogize the focal length of a lens and that of a lightning instrument? When you have a long focal length the lens is going to be a spot narrow. If you move closer it is wider. 8. How can we create or eliminate shadows cast by lightning instruments mounted on tripod stands? Raise the light shadows lowers 9. What is the difference between an incident light meter and a reflective light meter? Which is in your camera? Reflective light meter aiming at the subject Incident light aiming at the light source It is reflective. 10. What is a spot meter? Measures the lightning in a particular point of your subject. It is reflective 11. What is contrast ratio mean? The ratio between the darkest areas of your scene to the lightest. 12. What capability does your HMC150 have to show overexposed areas in frame? Zebra strips 13. What are the following: barn doors, scrim, and diffusion? Barn doors: flaps that more the close to direct the light where you want Scrim: the analogy to a neutral filter reduce the intensity of the light Diffusion: anything you put on the lightning instrument to diffuse the light. You are moving the intensity around. AUDIO: Define the following: Double system audio recording: a separate microphone and recorder are being used in sync with the camera. Ambience: natural sound of the environment. Slate: essential for sync. It is the reference point Synchronous sound: when recording sound for an image they have to be sync. Foley: adding sound to the sound track such as leaves. Clipped audio: Audio has to have good volume; if it does not have it is clipped. Something underexposed in audio., or something to loud. Phantom power: power supplied to an electric microphone. Scratch track: sound track you are recording in the camera. It is used as a reference Shotgun microphone: like telephoto lens, aim it at something to get a close up of sound, only records what you are aiming at. Signal-to-noise- ratio: the signal is very strong and the noise is very weak and does not interfere with signal. Omnidirectional microphone: wide-angle lens records sound very wide. Sampled sound: pieces of sound you are taking. Wavelengths: distance between two peaks of sound Amplitude: is the height of the wave, the higher the more amplitude
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