The stimulation provided in the electrically stimulated cochlea is modulated in accordance with the amplitude of a received acoustic signal and the onset of a sound in a received acoustic signal to provide increased sound perception. An onset time that corresponds to the onset of a sound is detected...http://www.google.de/patents/US7522961?utm_source=gb-gplus-sharePatent US7522961 - Inner hair cell stimulation model for the use by an intra-cochlear implant
