The present invention provides systems and methods for monitoring in real time the
physiological status of one or more subjects, especially subject engaged in potentially …

A portable assistive listening system for enhancing sound for hearing impaired individuals
includes a fully functional hearing aid and a separate handheld digital signal processing …

SUMMARY OF THE INVENTION 0006 Taking that problem into consideration, the object of
the present invention is to make it difficult to perceive musical noise that is caused by …

Described are noise Suppression techniques applicable to various systems including
automatic speech processing sys tems in digital audio pre-processing. The noise …

5,754,665 A 5, 1998 HOSO 7,225,001 B1 5/2007 Eriksson et al. 5,774,837 A* 6/1998
Yeldener et al.............. TO4/208 7,245,710 B1, 7/2007 Hughes 5,806,025 A 9, 1998 Vs et al …

Systems and methods for multi-sourced noise suppression are provided. An example
system may receive streams of audio data including a voice signal and noise, the voice …

Coefficient Calculator or both, for adaptive filters in an active noise reduction sys tem. The
leakage factor or adaptation rate, or both, may vary depending on a parameter of an input …

A system uses a voice energy detection (VED) circuit along with a capture buffer for
improved performance and lower power dissipation. With a VED assigned to each …

(57) ABSTRACT A method for determining leakage factors or adaptation rates, or both, for
adaptive filters in an active noise reduction sys tem. The leakage factor or adaptation rate, or …

Adaptive noise control for reducing power of an acoustic noise signal radiated from a noise
source to a listening position comprises providing an electrical reference signal correlated …