audio mixer in a studio, the automatic knobs moving up

mixing sound mixer audio equipment graphic equalizer broadcast music incorporated broadcast programming sound recording equipment audio electronics record - analog audio radio dj broadcasting dj control room control panel equipment fade in - video transition equalizer music control fade out - video transition listening music style presenter musical instrument push button computer equipment computer entertainment technology knob sea channel electronics industry professional occupation entertainment event listening party digital tablet faded condition 4k adjusting musician engineer wireless switch electronics store in a row arts e-mail culture business russia consoling butter e-commerce outdoors