TY - GEN TI - Insertion gain: Parts 1 to 5 PY - 1988/// CY - Sydney PB - National Acoustic Laboratories KW - Hearing aids N1 - Explains Insertion Gain and the Rastronics Insertion Gain Analyser. 5 parts on one video. Part 1: Principles of insertion gain (18 mins). Part 2: Valuation of Insertion Gain Tender (6 mins) Part 3: Basic operatin of the Rastronics Portarem (15 mins). Part 4: Commonly asked questions about Insertion Gain (14 mins). Part 5: Additional measurement Capabilities of the Rastronics Portarem (37 mins) ER -