英文關鍵字
3d
amplification
amplify
announcement
audience
audio
background
broadcast
cable
chromakey
communicate
communication
electronic
entertainment
equipment
green
icon
illustration
instrument
isolated
isometric
karaoke
logo
mic
microphone
music
musical
object
performance
plug
radio
record
screen
sign
song
sound
speak
speech
stereo
symbol
technology
vocal
voice