Ключевые слова: abstract, adult, audience, auditorium, blur, blurred, business, chrome, closeup, communication, concept, concert, conference, congress, convention, copy, design, education, entertainment, event, group, hall, international, learn, light, media, meeting, mic, microphone, modern, over, people, performance, person, podium, presentation, public, room, seminar, sound, speaker, speaking, speech, stand, studio, study, table, technology, theater, voice,