Uses of an enhanced sidetone signal in an active noise can cellation operation are
disclosed. In one example, a method of audio signal processing includes producing an anti …

US9053697B2 - Systems, methods, devices, apparatus, and computer program products for
audio equalization - Google Patents US9053697B2 - Systems, methods, devices, apparatus, and …

US9202456B2 - Systems, methods, apparatus, and computer-readable media for automatic
control of active noise cancellation - Google Patents US9202456B2 - Systems, methods …

An adaptive, feed-forward, ambient noise-reduction system includes a reference
microphone for generating first electrical signals representing incoming ambient noise, and …

An active noise cancellation system that reduces, at a listen ing position, power of a noise
signal radiated from a noise Source to the listening position. The system includes an adap …

(57) ABSTRACT A personal listening system has an active noise control (ANC) controller
that produces an anti-noise signal. A head worn audio device for a user has a speaker to …

2014-01-31 Assigned to GLAXO GROUP LIMITED reassignment GLAXO GROUP LIMITED
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors …

Page 2 as a reference, so that they have a matched frequency 6,650,701 B1 11/2003
Hsiang et al. amplitude response. To achieve this on-the-fly calibration, Sis R 38: Eget al. the …

. JP 6175691 A 6/1994 7,050,966 B2 5/2006 Schne1der JP 9006391 A V1997 7,099,821 B2
8/2006 Visser et al. JP 11298990 A 10/1999 7,103,188 B1 9/2006 Jones. JP 2000082999 A …

A personal audio device, such as a wireless telephone, includes an adaptive noise
canceling (ANC) circuit that adaptively generates an anti-noise signal from a reference …