英文關鍵字
indicator
volume
music
led
audio
sound
equipment
dj
level
stereo
control
electronic
meter
light
vumeter
mixer
mixing
analog
closeup
decibel
desk
signal
broadcasting
console
lamp
green
radio
red
panel
studio
flicker
media
display
equalizer
output
digital
detail
interface
aux
clubbing
technology
listening
flickering
db