Ключевые слова: announcement, audio, background, black, bright, bullhorn, button, communicate, communication, concept, design, element, equipment, flat, glossy, graphic, icon, illustration, interface, internet, isolated, loud, louder, loudspeaker, media, megaphone, message, modern, mp3, music, mute, noise, object, play, player, radio, shadow, shiny, sound, speaker, stereo, symbol, technology, urgent, voice, volume, wave, web, white,