adjusting
audio
background
blackboard
board
broadcast
broadcasting
button
channel
closeup
concert
console
control
desk
digital
dj
editor
electric
electronic
engineer
entertainment
equalizer
equipment
expertise
industry
instrument
level
line
media
mix
mixer
mixing
music
musical
musician
occupation
panel
professional
push
radio
record
row
sound
stereo
technology
turning
variation
volume