Ключевые слова: acoustic system, acoustics, audio, background, bass, big, black, cinema, circle, concert, decibels, design, diffuser, dolby systems, fiber, frequencies, golden, graphics, gray, hertz, home, isolated, large, loudspeaker, membrane, mono, montage, music, oval, paper, power, professional, rubber, selection, sound, speaker, square, stereo, studio, subwoofer, tone, tone capacitor, volume, white, work,