Patent application 13980525 (US), filed 2013-07-18
Publication number: US20130287216A1
Title: ESTIMATION AND SUPPRESSION OF HARMONIC LOUDSPEAKER NONLINEARITIES
CPC codes: G10L  21/02
H04R  29/001
G10L2021/02082
H04B   3/237
H04M   9/082
Office action: rejection, dated 2015-10-15
Rejection reasons: subject_matter_101
indefiniteness_112
Final disposition: granted (2015-10-15)