coherence

7.09  coherence. Number calculated from the cross spectrum, ranging from 0 to 1 indicating to what degree the output of a system is linear, causal, and time invariant, with respect to the input. Annotation 1      The coherence,...

multi-band compressor

7.08  multi-band compressor. Amplifier in which the input signal is separated into two or more frequency bands, with compression applied differently to each band, with the output of the bands then...

compressor

7.07  compressor. Amplifier in which the amount of amplification (gain) decreases automatically as the signal level increases. See also...

cochlear implant

7.06  cochlear implant. Prosthesis which is surgically implanted in the temporal bone in patients with profound or total hearing loss in order to restore hearing by direct electrical stimulation of the surviving nerve...

non-linear signal processing hearing aid

7.05  non-linear signal processing hearing aid. A hearing aid having output that is not linearly related to the input. Annotation            This term is also used to refer to devices having output which...