Compression for Clinicians

The cochlea, hair cells and compression; inner and outer hair cells; damaged hair cells and presbycusis; why so many different hearing aid fitting methods?; lenses for the eye versus hearing aids for the ear; the evolution of hearing aid fitting methods; loudness growth and fitting considerations; loudness growth; compression and normal loudness growth; suprathreshold fitting methods, compression and loudness growth; the many faces of compression; a word about input/output graphs; input compression versus output compression; compression controls - conventional versus "Tk"; output limiting compression versus wide dynamic range compression; BILL, TILL, and multi-channel WDRC hearing aids; dynamic aspects of compression; interaction between static and dynamic aspects of compression; programmable and digital hearing aids; expanding on compression; hearing aids, hair cells and the travelling wave revisited; common clinical combinations of compression; an example of multi-channel WDRC - Unitron's sound FX; the clinical "Spectrum" of hearing aids; fitting hearing aids - the art and the science.