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INTRODUCI IONPrevious work at 3.5.8.3.has shown that the resolution offered by conventional filter-bank analysis is neither sufficient for accurate temporal modelling of speech signals nor for reliable separation of speech from competing signals and noise.In order to further investigate these problems.a software model of the human peripheral auditory system has been implemented.based on that described by R.P. Lyon 1. 2. 3.Lyon's model.however.produces data at an extremely high rate and it is consequently unsuitable for immediate use by current recognition algorithms.
BEET et al. (Wed,) studied this question.