Method and device for processing an acoustic signal

Details Method and device for processing an acoustic signal Method and device for processing an acoustic signal

2011-01-25

2011-01-25

Chin, Vivian (Department: 2614)

Electrical audio signal processing systems and devices

Hearing aids, electrical

Noise compensation circuit

C381S098000, C381S094100, C029S896210

Reexamination Certificate

active

07876918

ABSTRACT:
For reducing wind noise effects in a hearing instrument, a converted acoustic signal is processed in a number of frequency bands, a low frequency band of which is chosen to be a master band. A wind noise attenuation value is determined in each frequency band, based on a signal level in the frequency band concerned and on a signal level in the master band. A further wind noise reducing effect may be achieved in hearing instruments with at least two microphones where in the presence of wind noise the instrument may be switched from a directional mode to a omnidirectional mode in which an average of the output signals of the two microphones is used as signal. In single microphone hearing instruments, the microphone signal and a delayed version of this signal are used to improve wind noise detection and reduction.

REFERENCES:
patent: 6882736 (2005-04-01), Dickel et al.
patent: 2002/0037088 (2002-03-01), Dickel et al.
patent: 2002/0191804 (2002-12-01), Luo et al.
patent: 2003/0147538 (2003-08-01), Elko
patent: 2004/0175012 (2004-09-01), Roeck et al.
patent: 1 229 758 (2002-08-01), None
patent: 1 339 256 (2003-08-01), None
patent: 1 450 354 (2004-08-01), None
patent: 03/059010 (2003-07-01), None

Affiliated with

Also associated with

Rating

Method and device for processing an acoustic signal does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and device for processing an acoustic signal, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and device for processing an acoustic signal will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2710150