英文關鍵字
airwaves
amplifier
antique
audio
bandwidth
broadcast
communication
crackles
dance
dial
digital
electrical
entertainment
equipment
frequency
grid
hand
hissing
info
led
listen
media
melody
metal
music
musical
news
noise
nostalgia
old
play
player
radio
receiver
retro
sound
speaker
station
stereo
style
technology
telecommunications
transistor
tune
tuner
tuning
vintage
volume