Title: Feedback acoustic suppressor
Application Number: 85100784 Application Date: 1985.04.01
Publication Number: 1003589 Publication Date: 1986.09.24
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: H03H21/00,H04R3/02
Applicant(s) Name: Li Zhijun Address:
Inventor(s) Name: Li Zhihua
Attorney & Agent:
Abstract:
     The major technical problem of the present invention is to solve acoustic feedback appearing when the sound amplifying system is on operation. The main technical characteristic is earth-line correlation detection and adaptive filtering. The invention is applied to amplifying sound at meeting-place in a hall, as well as telecommunication and teleconference etc.
Time: 12