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This paper describes the implementation of a prototype platform designed for the experimentation in the development of a non-invasive retinal prosthesis. The platform presented here is highly programmable and reconfigurable as required for experimentation. It provides retinomorphic encoding and optoelectronic stimulation. The purpose of the project is to develop, in the near future, an optoelectronic...
A computationally efficient 16-band non-uniformly spaced digital FIR filter bank is proposed for hearing aid applications. The filter bank is constructed by three prototype filters based on the principle of frequency-response masking technique. It requires only 34 multiplications in the implementation of a 16-band filter bank with stopband attenuation of -60dB. The simulation results show that the...
Meaningful feature extraction is a very important challenge indispensable to allow good classification results. In Automatic Speech Recognition human performance is still superior to technical solutions. In this paper a feature extraction for sound data is presented that is motivated by the neural processing of the human auditory system. The physiological mechanisms of signal transduction in the human...
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