Ключевые слова: background, blur, blurred, broadcast, classroom, conference, creativity, cyberspace, desk, desktop, display, education, event, flare, formal, front, hall, horizontal, image, indoor, inside, japan, keyboard, laptop, lecture, lens, live, low, machinery, media, meeting, memory, microphone, monitor, no people, presentation, production, professional, public, record, room, screen, seminar, show, speaker, television, video,