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18 Cards in this Set
- Front
- Back
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What are the types of microphones?
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- Lectern - placed on a lecturn
- Omnidirectional - picks up from numerous directions, good for use for 3pp - Lavaliere - Clip on Mic - Wireless - 2 types: VHF (very high frequency) & UHF (ultra high frequency). UHF more reliable, VHF performs well in most environments |
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What are the proper number of microphones?
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1) For panels, plan on 1 microphone for every 2 pp
2) For onstage interactive panels, each participant should have their own. 3) For roving speakers, wireless microphones work well, but limit the number to 6 in a single meeting. |
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What is a mixer?
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from every input device, audio signal travel to an audio mixer, which takes the various inputs and combines the signals to make them work in harmony with each other.
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What is an equalizer?
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balances the various signals to ensure the sound in the room is crystal clear and easily heard.
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What are the two mixer levels?
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Mic Level & Line Level - putting these levels together to create a single signal is a key function
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What are minimum needs for mixers?
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- one mixer for two or more microphones
- a technician for 5+ mics - a larger mixer when a room exceeds 4 inputs |
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What does a amplifier/speaker do? What are the different types?
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increases sound signals
- Distributed: used in ballrooms, exhibit hall venues, etc. and are most appropriate for voice reproduction. Good with music - Clustered: sound is typicaly in arenas and sporting venues. Sound projects from a single point in the center of the venue. Can be problematic for events, as often sound can't be heard under the cluster and a fill front system needs to be added. - Stacked: option for both meetings and concerts. Speakers sit on the floor and project from each side of the room. |
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What is the Line Array System?
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For general sessions and concerts. It is the latest development in audio. This system can take traditional distributed systems, which require delay speakers to be hung throughout the room to a new level. Do not have to install delay speakers.
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What is rear vs. front screen projection?
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Rear: Provides a cleaner look, with the projection equipment hidden by the screen and drape. Requires more space for set up for distance from the projector to screen.
Front: Can be brighter and sharper than rear projection, but the equipment is between the screen and the audience . Can have issues with noise, visual obstructions and ambient light. |
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What are the rules for screen size for the room?
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- First row of seating should be no closer than 2x the height of the screen.
- Back row of the audience should be no more than 8x the height of the screen. - Screen has to be at least 4' off the floor, but 5' preferred. - Projector placed 1.5x width of screen |
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What are the basic instruments of the lighting trade?
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- Lekos - aka ellipsoidals, used to light lecterns, signs and areas that need a tightly focused pool of light. Also project gobos.
- Parcan - PARs act like floodlights and provide an even light over a specific area. - Fresnels - channel the light to a specific area, but with a soft edge. |
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How is lighting critical to meeting's success?
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- importance to the speaker
- meeting rooms, exhibit, walkways. By adding a bit of light, it will add a lot to the event. - A color change in lights can get a great audience reaction. |
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What is the best lighting for a speaker?
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3 lights - 2 from the front, 1 from the back.
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What is intelligent lighting?
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covers a variety of instruments that can be computer controlled to move light around the room and project color and patterns on screens, scenery, walls or floor.
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What is LED lighting?
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Become a prominent factor in the lighting industry that offers new options for colors, intensity, and placement with long-lasting cool fixtures.
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What are CYC Lights?
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Light a seamless backdrop to a stage
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What is a scoop lighting?
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Used to light a large area as in-house lighting
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What is ultraviolet lighting?
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Black light which causes some paints and colors to glow, pin spots, which project a small focused light to a specific area of a room, such as a table or display.
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