Event AV resource
Event AV glossary
Browse the full set, then take the specific decision or enquiry that fits your event.
You can start without a complete equipment list. The message is editable before you send it.
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Plain-language definitions for sound, video, power and show control
Event AV terms
Resource
Gain before feedback
usable microphone level before the system begins to ring
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Signal flow
the route from source through processing to each destination
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Line check
a connection test before programme cues are rehearsed
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Soundcheck
a programme-led test of sources, levels, monitors and coverage
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Audio headroom
the margin between working level and clipping
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Phantom power
DC power supplied through a microphone cable for compatible devices
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DI box
an interface that adapts instrument signals for a mixer input
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Stagebox
a stage connection point that consolidates input and output lines
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LED pixel pitch
the centre-to-centre spacing that shapes LED viewing distance
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Projector lumen output
a brightness measure considered with image size and ambient light
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AV latency
the delay between capture, processing and audience output
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Mix-minus feed
a programme mix that excludes the destination's own return
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AV redundancy
a prepared alternate source, device or signal path
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Technical run-of-show
the timed list of programme cues, owners and dependencies
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Room release
the checkpoint when the tested room is handed to event operations
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Screen sightline
the unobstructed viewing path from an audience position
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Event AV glossary
Send the date, venue or area, guest count, programme and required outputs. You can start without a complete equipment list.
How this guidance is researched
This guidance separates general advice from event-specific facts. Confirm venue conditions and your event details before finalising the requirement.