Ключевые слова: advice, audience, auditorium, blur, business, business conference, chairs, closeup, communication, conference, congress, connection, contemporary, digital, education, electronic, equipment, event, group of people, hall, indoors, listening, matching, meeting, multimedia, negotiation, object, participants, people, presentation, public, seat, seminar, sit, soft focus, sound, sound system, speaker, staff, table, teamwork, technology, tripod, volume, wireless microphone,