Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 2, 2021
Patent Application Number
16041349
Date Filed
July 20, 2018
Patent Citations
Patent Primary Examiner
Patent abstract
A speaker system uses destructive wave interference to generate “dead spots” with respect to an audio presentation. The signal for the dead spot generating device can be an inverted signal generated using the audio signal. In one embodiment, the inverted signal is generated using the audio signal, an indication of loudness at one or more active speakers, and a determination of the characteristics of the sound path from the one or more active speakers (including delay and attenuation).
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