Automatic gain control for hearing aid

Details Automatic gain control for hearing aid Automatic gain control for hearing aid

1986-01-29

1988-01-05

Ng, Jin F.

Electrical audio signal processing systems and devices

Sound effects

Reverberators

381 68, 381106, 381107, 381 71, H03G 1100, H04R 2702

Patent

active

047180994

ABSTRACT:
A hearing aid having signal compression characteristics that adapt to the environment of the sound field in which it is operative in which an automatic gain control signal processor is responsive to the magnitude, duration and frequency of the signals in a sound field to control a compression amplifier so that the gain thereof is proportional to said signals.

REFERENCES:
patent: 3571529 (1971-03-01), Gharib
patent: 4430754 (1984-02-01), Ishigaki
patent: 4475230 (1984-10-01), Fukuyama
patent: 4479239 (1984-10-01), Rhines
patent: 4495643 (1985-01-01), Orban
patent: 4506381 (1985-03-01), Ono
patent: 4630302 (1986-12-01), Kryter
G. A. Singer, "New Limiting Amplifier," Audio Engineering, Nov. 1950, pp. 18-19, 69-70.
"Speech Compressor/Limiter," Wireless World, May 1977, p. 80.
Walker and Dillon, "Compression in Hearing Aids," booklet, National Acoustic Laboratories, Report No. 90, Jun. 1982, Australia.
Technical Data Disclosure No. 4196, Telex Communications, Inc., publication No. 38108-834, May 1983.
Dillon and Walker, "Compression--Input or Output?", undated synopsis of above document AR, National Acoustic Laboratories, Australia.

Affiliated with

Also associated with

Rating

Automatic gain control for hearing aid does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Automatic gain control for hearing aid, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Automatic gain control for hearing aid will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-12724