Ключевые слова: ai, audience, auditorium, background, blur, bokeh, business, classroom, coaching, concept, conference, congress, convention, corporate, crowd, education, event, explaining, focus, focused, group, hall, information, institute, knowledge, learning, lecture, light, listeners, listening, manager, meeting, office, participants, people, person, presentation, professional, public, room, row, screen, seminar, sit, speaker, speech, study, training, watching,