06778674 is referenced by 53 patents.

A hearing assist device (

10

) for a person (P). The device comprises a speaker device (SP

1

) for presenting sound to an ear canal of the person and circuitry for identifying a specified area relative to the person. The device further comprises a first microphone (M

1

) for providing a first sound signal in response to a first sound source located inside the area and in response to a second sound source located outside the area. Further, the device comprises a second microphone (M

2

) for providing a second sound signal in response to the first sound source and the second sound source. Still further, the device comprises circuitry (

16

) for determining a position of the first sound source and the second sound source in response to the specified area, the first sound signal and the second signal. Finally, the device comprises circuitry (

16

) for outputting a processed signal in response to the position. In operation, the speaker device is operable to present processed sound to the ear canal in response to the processed signal, wherein the processed sound represents a different suppression of sound from the second sound source relative to sound from the first sound source.

Title
Hearing assist device with directional detection and sound modification
Application Number
9/473755
Publication Number
6778674 (B1)
Application Date
December 28, 1999
Publication Date
August 17, 2004
Inventor
Pedro R Gelabert
Allen
TX, US
Trudy D Stetzler
Houston
TX, US
Thomas M Siep
Garland
TX, US
Carl M Panasik
Garland
TX, US
Agent
Frederick J Telecky Jr
US
Wade James Brady III
US
Ronald O Neerings
US
Assignee
Texas Instruments Incorporated
TX, US
IPC
H04R 25/00
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