announce
audience
audio
auditorium
black
blur
business
ceremony
communication
concert
conference
confident
consultation
convention
dynamic
education
entertainment
equipment
event
hall
indoors
interview
lecture
live
meeting
metal
mic
microphone
music
object
performance
podium
presentation
professional
record
room
seminar
show
singing
sound
speak
speech
stage
stand
studio
talking
technology
vocal
voice
vote
定額
microphone is on microphone stand in seminar meeting room for everyone to use when speaking or greeting seminar participants.の素材 [FY310188762360]
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