英文關鍵字
1080i
abstract
amplifier
analyzer
audio
background
bar
black
club
color
colorful
concepts
dance
design
digital
disco
display
ekg
electronic
energy
equalizer
equipment
for
frequency
graph
graphic
illustration
led
life
light
meter
mixer
monitor
music
musical
night
party
pattern
peak
player
radio
rainbow
recorder
recording
reflection
science
sound
spectrum
stereo
studio
technology
vector
voice
volume
wave