Ключевые слова: activity, background, ball, blur, blurred, blurry, broadcast, broadcasting, camera, cameraman, challenge, championship, compete, competition, court, defocused, digital, equipment, europe, event, fuzzy, game, hall, indoor, league, live, match, media, men, movie, net, news, observe, operator, people, pitch, play, player, production, professional, public, sport, sportive, technology, television, transmission, tv, video, volley, volleyball,