英文關鍵字
audio
bar
spectrum
abstract
analyzer
background
black
block
blue
club
color
colorful
design
diagram
digital
display
dof
electronic
electronics
equalizer
equipment
fluorescent
frequency
gradient
graph
led
light
luminosity
media
meter
mixer
multicolor
music
musical
pattern
peak
play
player
radio
range
red
sound
soundtrack
studio
technology
volume
flash