video production: light and sound
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Sound and Light Lecture from KSU Com: 3340 Amani Channel, MA http://www.webvideochefs.com http://www.visualeyemedia.comTRANSCRIPT
Digital Media Production
Com 3340Amani Channel, MA
Class ScheduleNo Quiz!
Assignment 1 Review/Critique
Class Review
Talk About Cameras
Chapter 4/5/6 Light and Sound
In Class Assignment - Interviews
Photo AssignmentDo the photos tell a story?
Are they visually interesting?
Composition, Lighting, In focus?
Write up?
5Ws and H
Accurate, Spelling , Typos?
Interview
Intro to Video Production
Visual storytelling is the art and science of using visual images, sound, and graphics/text to create an emotional connection with the viewers.
Visuals can be photos or video.
Sound can be interviews (actualities) or music.
Why do you like to watch films/video?
Why LightLight is the basis of visual media
Quantity, Quality, Direction, Color and Sources
The amount of light (Exposure)
Lumen: Quality of light perceived by the human eye
Illuminance: The brightness (foot candles/lux)
Contrast: Comparison of the brightest and darkest area in the frame.
Waveform Monitor: Displays the brightness range
Quality How the light creates the look and mood
Direct light (hard/spotted) Sun, spotlight – hard shadows/dramatic
Soft light (diffused/flooded) less intense, even or soft shadows
How to Light Three point lighting
Key light
Fill light
Back light
http://www.youtube.com/watch?v=j_Sov3xmgwg
Color Temperature
All light isn’t equal
Measured in Kelvin
Incandescant bulb = 3200K
Direct sunlight = 5000k
You should always white balance
SoundWith video, good sound is just as if not more important than video
Microphone: Equipment that turns sound into an electromagnetic signal
Sound waves: Vibrations that travel through air Crest: maximum air pressure - trough: release
Frequency: Number of cycles that the sound wave travels in one second
Pitch: high/low
Amplitude: Height of the wave
Decibel: How amplitude is measured
Microphones Need to know what kind of speech, instrument, or situation that you’re capturing
Transducer: Transduction - converting sound
Two main kinds of mics: Dynamic/CondenserDynamic: Durable, no batteryCondenser: More sensitive/phantom power/battery
Ribbon: (sometimes called dynamic)
Pickup Pattern
Mics hear sound differently pp. 130/149
Omnidirectional, bidirectional, unidirectional (cardiod)
Omni – Picks up sound from every direction
Bi – Picks up sound from two opposite directions
Uni – Heart shaped-narrow range of sound
Type of MicsHandheld: Good for run and gun, need to move the mic – a bit obtrusive. Condenser/or dynamic
Lavaliere: (Personal) Clip/lapel – condenser – good for sit down interviews – hands free
Shotgun: Long mics (look like a gun) – captures sound from a distance (1-15 feet). Usually condenser
Quality of Sound
VU/LED meters: Measures sound wave voltage
Peak 0dB = 100% (above that audio will distort)
Overmodulation: distortion
Recording clean soundMonitor with headphonesTest recordPatience