1. Electroacoustics. Simulators of human head and ear. 2 cm3 coupler for the measurement of hearing aids and earphones coupled to the ear by means of ear inserts Part 5, (31st October 2006) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗