US 12,249,343 B2
Natural ear
Eric A. Freudenthal, El Paso, TX (US); Eric M. Hanson, El Paso, TX (US); and Bryan E. Usevitch, El Paso, TX (US)
Assigned to Board of Regents, The University of Texas System, Austin, TX (US)
Filed by Board of Regents, The University of Texas System, Austin, TX (US)
Filed on Aug. 9, 2021, as Appl. No. 17/444,727.
Application 17/444,727 is a continuation of application No. 15/362,147, filed on Nov. 28, 2016, granted, now 11,120,816.
Application 15/362,147 is a continuation in part of application No. 15/012,719, filed on Feb. 1, 2016, granted, now 9,773,426, issued on Sep. 6, 2017.
Claims priority of provisional application 62/110,592, filed on Feb. 1, 2015.
Prior Publication US 2021/0375303 A1, Dec. 2, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. G10L 21/0388 (2013.01); G09B 15/00 (2006.01); G10H 1/44 (2006.01); G10L 21/034 (2013.01); H04R 1/10 (2006.01)
CPC G10L 21/0388 (2013.01) [G09B 15/00 (2013.01); G10H 1/44 (2013.01); G10L 21/034 (2013.01); H04R 1/1016 (2013.01); G10H 2210/066 (2013.01); G10H 2210/331 (2013.01); H04R 2201/107 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system for assisting tonally-challenged singers, said system comprising:
a sound transducing device that transduces a voice of a singer; and
a filter and amplifier circuit that receives a signal produced by the voice of the singer from the sound transducing device and filters and amplifies the signal so that the fundamental frequency and second harmonic of the voice of the singer are accentuated while attenuating odd harmonics, wherein the singer hears the amplified fundamental frequency and second harmonic and is able to compare this sound to a desired intended frequency thereby allowing the singer to self-monitor said voice and augment an ability of the singer to sing intended notes and harmonize with others and potentially reduce or eliminate a need for auto-tuning.