英文關鍵字
indicator
volume
music
led
vertical
audio
sound
equipment
dj
level
stereo
control
electronic
meter
light
vumeter
mixer
mixing
analog
closeup
decibel
desk
signal
broadcasting
console
lamp
green
yellow
consoling
line
balance
flicker
db
output
variation
media
mix
musician
board
measurement
panel
unit
working
musical