Hearing Aids and Audiometers: Report of the Committee on Electro-Acoustics

Abstract

Price is. 3d.) The Committee on Electro-Acoustics was formed in 1944 and set out to solve two practical problems which would go far to help the welfare of the many deaf persons in Britain today. One task was to design a single type of electrical hearing aid which would be small, light, reasonably cheap, suitable for mass production, and capable of giving good results for speech intelligibility for the majority of deaf persons.. The other task was to determine the most satisfactory specifications for puretone audiometers for use in early diagnosis and accurate