Ключевые слова: acoustic, amplifier, analog, audio, background, button, channel, clubbing, control, design, digital, electronic, electronics, entertainment, equalizer, equipment, frequency, graph, graphic, hand, knob, level, listen, microphone, mix, mixer, mixing, mp3, multimedia, music, musical, panel, play, radio, record, recorder, recording, reflection, set, song, sound, spectrum, stereo, studio, technology, voice, volume, wave,