The program stored in the speech processor of a cochlear implant that tells the system how to process sound on each channel so that it is most audible and comfortable for the individual user. Each implant user’s map varies considerably from every other user. Maps also change over time.

The process of programming a cochlear implant speech processor with various speech strategies.

Any sound that serves to cover up another. In regards to hearing aids, it usually refers to background sounds covering up what a person wants to hear, or to the sound coming from the hearing aid helping to cover up a person’s tinnitus.

Sound used by an audiologist to prevent one ear from hearing while the other is being tested.

The bone located behind the ear in which your inner ear is embedded. The “bump” behind your ear is called the mastoid process.

See Most Comfortable Loudness level.