US 12,250,028 B2
Encoding strategy selection for data transfer using audio transmissions
Rebekah Farrar, Columbus, OH (US); Oz Mendel, Piedmont, CA (US); and William Knauer, Bellevue, KY (US)
Assigned to LISNR, INC., Cincinnati, OH (US)
Filed by LISNR, Inc, Cincinnati, OH (US)
Filed on Dec. 21, 2022, as Appl. No. 18/069,679.
Application 18/069,679 is a continuation of application No. 17/400,783, filed on Aug. 12, 2021, granted, now 11,539,449.
Claims priority of provisional application 63/065,221, filed on Aug. 13, 2020.
Prior Publication US 2023/0123098 A1, Apr. 20, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H04B 11/00 (2006.01); G10L 19/02 (2013.01)
CPC H04B 11/00 (2013.01) [G10L 19/02 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
receiving data for transmission;
generating a first analog audio signal that encodes the data as phase differences according to a first protocol; and
transmitting, using a speaker, a first audio transmission containing the first analog audio signal.