announcement
audience
audio
broadcast
broadcasting
cable
capsule
communicate
communication
concert
condenser
cord
electronic
electronics
entertainment
equipment
instrument
karaoke
live
media
metal
metallic
mic
microphone
mike
music
musical
news
object
perform
performance
pop
professional
radio
record
rock
silver
sing
singer
song
sound
speech
stereo
studio
technology
vintage
vocal
voice
volume