Ключевые слова: 30s, adults, advertisement, advertising, amplifier, announce, announcement, arm, attention, audio, background, broadcasting, bullhorn, business, casual, communicate, communication, england, female chinese, hand, holding, in front of, isolated, lifestyle, loud, loudspeaker, male, megaphone, message, mid adult men, millennials, multicultural, noise, people, person, promotion, propaganda, scream, shout, sound, speak, speaker, speech, studio, turquoise, two people, volume, wall, white, young women,