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Auditory Modelling Background

The latter decades have seen a revolution in auditory physiology. In addition to the advances in experimental techniques, computational models have been increasingly used to rigorously test theories explaining the results of experiments. These models, incorporating the known physiological detail with the hypothetical theories, have successfully reproduced auditory phenomena/human responses - for example pitch perception (Meddis & Hewitt 1991a & Meddis & Hewitt 1991b), segregation of simultaneous vowels (Meddis & Hewitt 1992), lateralisation of narrow and broad band signals (Shackleton et al. 1992) and streaming & coherence of successive pure tone sequences (Beauvois & Meddis 1991) - to name only the more recent publications by the LUT research group. In addition to the explanations provided for auditory phenomena, auditory models have also found a use in the field of speech processing.


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