Glossary

Audio and Video Technician Terms & Vocabulary

15 essential audio and video technician terms with plain-English definitions: the vocabulary you’ll hear in training and on day one.

Updated By the Career Education Institute Curriculum Team
Key audio and video technician vocabulary

These 15 terms come up constantly in audio and video technician training, on the job and in interviews. Knowing them helps you follow instructions, document accurately and sound prepared.

Aspect ratio
Width-to-height ratio.
Confidence monitor
A screen facing presenters.
Encoder
Converts video for streaming.
Feedback
Squealing from audio loops.
Front of house
The main audience mix position.
HDMI
A digital video cable.
Hybrid event
In-person and online event.
Lavalier mic
A small clip-on microphone.
Load-in
Bringing equipment into a venue.
Resolution
Number of pixels in video.
Run of show
The event schedule.
Signal flow
The path signals travel.
Strike
Taking down and packing equipment.
Switcher
A device that switches video sources.
XLR
A common audio cable.

Practice these terms

Test yourself with the free Audio and Video Technician practice test: it includes vocabulary questions built from this list. For a complete course, see Audio and Video Technician training.

Browse terms from every career in our career glossary.

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