Ключевые слова: abstract, amplification, amplify, background, black, blur, bokeh, broadcast, broadcasting, celebrate, communicate, communication, concert, concert stage, conference, conference hall, conference room, dof, electronic, entertainment, media, meeting, mic, microphone, music, nightlife, people, performance, person, photo, presentation, selective, sound, speech, spotlight, spotlight background, stage, studio, system, talk, technology,