Ключевые слова: audience, auditorium, background, business, center, chair, conference, congress, convention, culture, education, empty, equipment, event, group, hall, indoor, interior, job, karaoke, lecture, meeting, mic, microphone, modern, music, on, party, people, presentation, public, relax, restaurant, rock, room, screen, seat, seminar, show, sound, speaker, speech, stage, stand, studio, technology, vintage, voice, wedding, work,