Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
March 14, 2017
Patent Application Number
14518258
Date Filed
October 20, 2014
Patent Primary Examiner
Patent abstract
An ultrasonic emitter system includes a digital processing system for adjusting the amplitude of an ultrasonic carrier signal to increase audio levels of an audio signal during lower power portions of the audio signal. To increase the audio levels without introducing unwanted audio and/or distortion, an additive constant is added to the ultrasonic carrier signal based on a rolling average audio signal power measurement.
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