A cochlear implant system comprising. • a microphone unit configured to receive an acoustical signal and transmit an audio signal based on the acoustical signal, • an electrode array comprising a plurality of electrodes, • a processor unit including; ∘ a filter bank including multiple bandpass channels (ch1-chN) configured to divide the audio signal into multiple bandpass audio signals (BAS(ch)), ∘ a first temporal feature extractor configured to determine a primary group of temporal features (T1(ch), A1(ch)) of a bandpass audio signal of the multiple bandpass audio signals (BAS(ch)), ∘ a second temporal feature extractor configured to window filter the bandpass audio signal and determine a secondary group of temporal features (T2(ch), A2(ch)) of the window filtered bandpass audio signal of the multiple bandpass audio signals (BAS(ch)), ∘ a stimulation generator configured to determine a final group of temporal features (TF(ch), AF(ch)) based on the primary group of temporal features and the secondary group of temporal features, and further configured to determine for the final group of temporal features a similarity measure value (SEM(ch)) based on the primary and the secondary group of temporal features, and characterised in that the processor unit is configured to either decide based on the similarity measure value whether the final group of temporal features is to be encoded into a stimulation pulse or to else prioritise, based on the similarity measure value, the final group of temporal features when encoding it into a stimulation pulse, and wherein the encoded stimulation pulse is transferred to an electrode of the plurality of electrodes, and where the electrode is configured to apply an electrical stimulation to a group of auditory nerve fibers of a recipient of the cochlear implant system based on the encoded stimulation pulse. • a microphone unit configured to receive an acoustical signal and transmit an audio signal based on the acoustical signal, • an electrode array comprising a plurality of electrodes, • a processor unit including; ∘ a filter bank including multiple bandpass channels (ch1-chN) configured to divide the audio signal into multiple bandpass audio signals (BAS(ch)), ∘ a first temporal feature extractor configured to determine a primary group of temporal features (T1(ch), A1(ch)) of a bandpass audio signal of the multiple bandpass audio signals (BAS(ch)), ∘ a second temporal feature extractor configured to window filter the bandpass audio signal and determine a secondary group of temporal features (T2(ch), A2(ch)) of the window filtered bandpass audio signal of the multiple bandpass audio signals (BAS(ch)), ∘ a stimulation generator configured to determine a final group of temporal features (TF(ch), AF(ch)) based on the primary group of temporal features and the secondary group of temporal features, and further configured to determine for the final group of temporal features a similarity measure value (SEM(ch)) based on the primary and the secondary group of temporal features, and ∘ a filter bank including multiple bandpass channels (ch1-chN) configured to divide the audio signal into multiple bandpass audio signals (BAS(ch)), ∘ a first temporal feature extractor configured to determine a primary group of temporal features (T1(ch), A1(ch)) of a bandpass audio signal of the multiple bandpass audio signals (BAS(ch)), ∘ a second temporal feature extractor configured to window filter the bandpass audio signal and determine a secondary group of temporal features (T2(ch), A2(ch)) of the window filtered bandpass audio signal of the multiple bandpass audio signals (BAS(ch)), ∘ a stimulation generator configured to determine a final group of temporal features (TF(ch), AF(ch)) based on the primary group of temporal features and the secondary group of temporal features, and further configured to determine for the final group of temporal features a similarity measure value (SEM(ch)) based on the primary and the secondary group of temporal features, and