US 11,659,322 B1
Audio based aircraft detection
Adam Woodworth, Mountain View, CA (US); Jacob Huffman, Mountain View, CA (US); and Jeremy Chalmer, Mountain View, CA (US)
Assigned to WING AVIATION LLC, Mountain View, CA (US)
Filed by Wing Aviation LLC, Mountain View, CA (US)
Filed on Mar. 26, 2020, as Appl. No. 16/830,508.
Application 16/830,508 is a continuation of application No. 15/632,745, filed on Jun. 26, 2017, abandoned.
Int. Cl. H04R 1/40 (2006.01); B64C 39/02 (2023.01); B64D 45/00 (2006.01); G05D 1/00 (2006.01); G08G 5/04 (2006.01); H04R 1/02 (2006.01); G10K 11/178 (2006.01); H04R 3/00 (2006.01)
CPC H04R 1/406 (2013.01) [B64C 39/024 (2013.01); B64D 45/00 (2013.01); G05D 1/0022 (2013.01); G08G 5/045 (2013.01); G10K 11/178 (2013.01); H04R 1/028 (2013.01); H04R 3/005 (2013.01); B64C 2201/146 (2013.01); B64D 2045/0085 (2013.01); G10K 2210/1281 (2013.01); H04R 2499/13 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A method, performed during a flight of an aerial vehicle, comprising:
receiving an audio signal from at least one microphone of a plurality of microphones of the aerial vehicle, wherein the audio signal includes sounds created by the flight of the aerial vehicle and sounds created by an aircraft located near the aerial vehicle;
processing the audio signal to remove a portion of the received audio signal that corresponds to the sounds created by the flight of the aerial vehicle to generate a filtered audio signal that includes the sounds created by the aircraft located near the aerial vehicle;
determining, based at least in part on the filtered audio signal, at least one of a distance and type of aircraft located near the aerial vehicle; and
based on the determination, performing at least one maneuver of the aerial vehicle.