The auditory image model (AIM) has a new home (Stefan Bleeck )


Subject: The auditory image model (AIM) has a new home
From:    Stefan Bleeck  <bleeck@xxxxxxxx>
Date:    Thu, 7 Apr 2011 13:01:17 +0100
List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>

The auditory image model (AIM), so far hosted by the CNBH in Cambridge under Roy Patterson, has moved! The software, documentation and many can now be found here: http://www.soton.ac.uk/aim/ AIM-MAT (the MATLAB version of AIM) will be further developed and maintained by Stefan Bleeck (bleeck@xxxxxxxx). Please don't hesitate to contact me for questions, suggestions (or donations :) Explanation The Auditory Image Model is a software package to simulate human hearing. Aim is implemented in MATLAB, so that the user has full control of the system at all levels. AIM is a time-domain, functional model of the signal processing performed in the auditory pathway as the system converts a sound wave into the initial perception that we experience when hearing that sound. This representation is referred to as an "auditory image" by analogy with the visual image of a scene that we experience in response to optical stimulation. The main concepts of AIM are described in - Roy D. Patterson, Mike H. Allerhand and Christian Giguere (1995). Time-domain modelling of peripheral auditory processing: A modular architecture and a software platform, J. Acoust. Soc. Am. vol 98, 1890-1894. - Stefan Bleeck, Tim Ives and Roy D. Patterson (2004). "Aim-mat: the auditory image model in MATLAB" Acta Acustica, 90, 781-788 The principle functions of AIM are to describe and simulate: -Pre-cochlear processing (PCP) of the sound up to the oval window of the cochlea, -Basilar membrane motion (BMM) produced in the cochlea (using Gammachirp filters) -The neural activity pattern (NAP) observed in the auditory nerve and cochlear nucleus, -The identification of maxima in repeating neural patterns, that can be used as strobe points to construct auditory images, -Stabilized auditory images (SAI) that form the basis of auditory perception, -A size invariant representation of the information in the sound at the syllable level, referred to as the Mellin Magnitude Image (MMI). -- Dr. Stefan Bleeck Senior Lecturer Institute of Sound and Vibration Research University of Southampton, SO17 1BJ, UK Room 4093, Tizard building (13) Tel.: 02380 596682 email: bleeck@xxxxxxxx


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