Ключевые слова: abstract, amplitude, analog, analysis, audio, beat, design, diagram, digital, display, electric, electronic, equalizer, glow, graph, graphic, horizontal, illustration, innovation, laser, line, media, meter, mixer, modern, mono, music, musical, network, program, radio, red, signal, sound, technology, test, track, tune, vibration, voice, wallpaper, wave, waveform, wavelength, yellow,