英文關鍵字
music
technology
background
radio
frequency
audio
sound
wave
abstract
design
digital
graphic
voice
equalizer
volume
waveform
player
spectrum
disco
record
display
level
video
motion
track
stereo
studio
white
black
graph
musical
song
bar
element
isolated
vector
electronic
glowing
horizontal
noise
play
pulse
visual
energy
line
recording
equipment
looping
preview
waves
green
screen
transparent