A parametric audio system having increased bandwidth for generating
airborne audio signals with reduced distortion. The parametric audio
system includes a modulator for modulating an ultrasonic carrier signal
with a processed audio signal, a driver amplifier for amplifying the
modulated carrier signal, and an array of acoustic transducers for
projecting the modulated and amplified carrier signal through the air
along a selected projection path to regenerate the audio signal. Each of
the acoustic transducers in the array is a membrane-type transducer.
Further, the acoustic transducer array is a phased array capable of
electronically steering, focusing, or shaping one or more audio beams.