US 11,707,633 B2
Variable sound system for audio devices
Robert Eugene Smith, Lynnwood, WA (US)
Assigned to Physio-Control, Inc., Redmond, WA (US)
Filed by Physio-Control, Inc., Redmond, WA (US)
Filed on Feb. 11, 2022, as Appl. No. 17/669,738.
Application 17/669,738 is a continuation of application No. 17/061,556, filed on Oct. 1, 2020, granted, now 11,247,062.
Application 17/061,556 is a continuation of application No. 16/576,246, filed on Sep. 19, 2019, granted, now 10,792,507, issued on Oct. 6, 2020.
Application 16/576,246 is a continuation of application No. 16/267,182, filed on Feb. 4, 2019, granted, now 10,441,806, issued on Oct. 15, 2019.
Application 16/267,182 is a continuation of application No. 15/617,862, filed on Jun. 8, 2017, granted, now 10,195,452, issued on Feb. 5, 2019.
Application 15/617,862 is a continuation of application No. 14/526,108, filed on Oct. 28, 2014, granted, now 9,713,728, issued on Jul. 25, 2017.
Claims priority of provisional application 61/897,136, filed on Oct. 29, 2013.
Prior Publication US 2022/0212020 A1, Jul. 7, 2022
Int. Cl. H03G 9/00 (2006.01); H03G 9/02 (2006.01); G10L 19/02 (2013.01); H03G 3/32 (2006.01); H03G 3/24 (2006.01); A61N 1/39 (2006.01); G10L 21/02 (2013.01); G10L 21/0332 (2013.01)
CPC A61N 1/3993 (2013.01) [A61N 1/39 (2013.01); A61N 1/3904 (2017.08); H03G 9/005 (2013.01); H03G 9/02 (2013.01); G10L 19/02 (2013.01); G10L 21/02 (2013.01); G10L 21/0332 (2013.01); H03G 3/24 (2013.01); H03G 3/32 (2013.01); H03G 9/025 (2013.01); H04R 2430/01 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system, comprising:
a microphone configured to capture first audio data representing a first sound in an environment;
a processor configured to:
determine a first frequency spectrum of the first sound;
retrieve, from a sound library, a sound file comprising second audio data representing a second sound;
compare the first frequency spectrum and a second frequency spectrum of the second sound; and
identify a harmonic frequency band of the second frequency spectrum that is non-overlapping with a portion of the first frequency spectrum; and
a speaker configured to output the second sound with the harmonic frequency of the second frequency spectrum.