Ключевые слова: audio, background, black, button, communication, decrease, design, editable, element, equipment, flat, graphic, icon, increase, instrument, interface, isolated, level, line, loud, loudspeaker, media, melody, modern, music, musical, mute, pictogram, play, radio, record, signal, silhouette, single, sound, speaker, studio, voice, volume, wave, web, white,