A single ultrasonic transducer creates localized audible sound zones by modulating multiple audio signals on distinct ultrasonic carriers that demodulate in air to enable existing multi-channel SZC algorithms.
The near field, westervelt far field, and inverse-law far field of the audio sound generated by parametric array loudspeakers
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Generating Localized Audible Zones Using a Single-Channel Parametric Loudspeaker
A single ultrasonic transducer creates localized audible sound zones by modulating multiple audio signals on distinct ultrasonic carriers that demodulate in air to enable existing multi-channel SZC algorithms.