Match the Following Definition with Their Terms

Match the following definition with their terms :
-a system that works by running a wire around the circumference of a room or table that conducts electrical energy from an amplifier and thus creates a magnetic field, which induces the telecoil in a hearing aid to provide amplified sound to the user

A) kneepoint
B) multiband compression
C) attack time
D) compression ratio
E) release time
F) volume control