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Using spectral and spectro-temporal auditory models, we develop a computationally simple feature vector based on the design architecture of existing mel frequency cepstral coefficients (MFCCs). Along with the use of an optimized static function to compress a set of filter bank energies, we propose to use a memory-based adaptive compression function to incorporate the behavior of human auditory response...
We describe a method to select features for speech recognition that is based on a quantitative model of the human auditory periphery. The method maximizes the similarity of the geometry of the space spanned by the subset of features and the geometry of the space spanned by the auditory model output. The selection method uses a spectro-temporal auditory model that captures both frequency- and time-domain...
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