#$%^&*AU2011265489A120120119.pdf#####Abstract The invention provides an implantable device having a multi-channel electrode array, each electrode in the array being associated with a signal processing output channel, 5 the device comprising: an audio processing stage for processing an input audio signal to produce a plurality of output channel signals each representing an associated band of audio frequencies a timing and envelope detector for processing the output channel signals in a sequence of sampling intervals, wherein for each sampling interval, the processing includes determining: one or more pulse timing requests, and corresponding envelope 10 signals representing pulse magnitude for pulse timing requests a pulse selection amplitude definition stage for determining for the requested pulse timings: output pulses, if any, at specified times and amplitudes as selected from the requested pulse timings based on a pulse selection inhibition function that selects fewer pulse timings at higher frequencies and the multi-channel electrode array for applying the output pulses at their associated 15 stimulation amplitudes to surrounding tissue. 30390231 (GHMatters) P83976.AU.13/10 .10 cj~ 4.) * * * 0 4) 4) 4) o I 1-I 4) Cd, H Licj*~ 4) C.)
