Ключевые слова: abstract, attendees, audience, audio, background, black, blurry, bright, business, closeup, communication, conference, corporate, crowd, dark, depth, desk, equipment, event, field, focus, formal, gathering, indoor, lecture, lighting, lights, meeting, microphone, of, office, podium, presentation, professional, public, room, seminar, shadow, shallow, silver, sound, speaker, speaking, speech, stage, standard, table, technology, workshop,