Ключевые слова: audience, audio, background, blur, broadcast, cafe, closeup, communication, concert, conference, electronic, entertainment, equipment, event, hall, jazz, karaoke, light, live, meeting, mic, microphone, music, music stand, musical, performance, podium, presentation, professional, public, show, sing, soft focus, sound, speaker, speech, stage, stand, street, studio, technology, toned, voice,