AUTOMATIC GAIN CONTROL FOR HEARING AID

摘要

TITLE AUTOMATIC GAIN CONTROL FOR HEARING AID APPLICANT TELEX COMMUNICATIONS INC. INVENTOR David Allen HOTVET A hearing aid having signal compression characteristics that adapt to the evironment 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. Fig. 1.