phenomena earthquakes analytic instruments spectrum analyzer facilitate visualization measurement acoustic signals properties spectrogram produced instrument graphical display time varying pressure level frequency profiles give specific acoustic signal defining character transduction acoustics inexpensive low fidelity nbsp inch '' 'driver''' typically found small radios transducer device converting one form energy another electroacoustic context means converting sound energy electrical energy vice versa electroacoustic transducers include loudspeakers
Natural science Physics Acoustics