There is provided a system for electrical stimulation of a patient's cochlea (200), comprising: means (20) for providing an input audio signal; a sound processor (24) for generating an electric stimulation signal from the input audio signal; and a cochlear implant electrode arrangement (19) comprising a plurality of stimulation channels for stimulating the cochlea according to the electric stimulation signal; the sound processor comprising: a filter-bank unit (38) for dividing the input audio signal into a plurality of analysis channels, each containing a frequency domain signal representative of a distinct frequency portion of the audio signal, a signal level unit (42) for determining a signal level for each analysis channel by analyzing the respective frequency domain signal, a stimulation signal unit (46, 48) for generating an electric stimulation signal for each stimulation channel according to the respective signal level, a stimulation order control unit (48, 56) for controlling the temporal stimulation order of the stimulation channels according to a patient-specific pulse table to be generated by a pulse table configuration module (56) from patient-specific forward masking patterns obtained from patient-specific neural response imaging data in a manner so as to minimize spatial and/or temporal masking of the stimulation signal according to an optimization algorithm.La présente invention concerne un système de stimulation électrique de la cochlée d'un patient (200), ledit système comprenant : un moyen (20) de fourniture d'un signal audio d'entrée; un processeur de son (24) pour générer un signal de stimulation électrique à partir du signal audio d'entrée; et un agencement d'électrode d'implant cochléaire (19) comprenant une pluralité de canaux de stimulation pour stimuler la cochlée en fonction du signal de stimulation électrique; le processeur de son comprenant : une unité banc de filtres (38) pour diviser le signal audio d'entrée en une pluralité de canaux d