Ключевые слова: abstract, assembly, audience, audio, background, blurred, board of directors, bottle, business, business meeting, closeup, communication, concept, conference, congress, consultation, conversation, day, dialogue, electronic, equipment, event, indoors, man, media, meeting, mic, microphone, microphones, people, presentation, press, professional, report, room, rostrum, seminar, session, smile, sound, speaking, speech, stand, talk, technology, water,