Ключевые слова: abstract, audio, background, bar, club, computer, design, digital, disco, display, editable, editing, electronic, engineering, equalizer, frequency, graph, graphic, level, media, mix, music, musical, over, pattern, player, radio, record, recorder, recording, sing, singer, sound, soundtrack, spectrum, stereo, studio, technology, voice, voiceover, volume, wave, waveform, waves,