The CI compressor functionally replaces cochlear mechanical compression

Evidence

The sound processor in a CI (Fig. 1 ) typically includes an instantaneous back-end compressor in each frequency channel of processing to map the wide dynamic range of sounds in the acoustic environment into the relatively narrow dynamic range of electrically evoked hearing (Wilson et al. 1991 ). The compressor in a CI serves the same function as the cochlear mechanical compression in a healthy inner ear (Robles and Ruggero 2001 ). — Dijk, Pim van, Physiology, Psychoacoustics and…, 1939

Categorization

• DEFINE: Draws the functional analogy between a cochlear implant’s back-end compressor and healthy cochlear compression.
• corroborated: 2 independent passages support this claim — Dijk, Pim van, Physiology, Psychoacoustics and…, 1939