The auditory image model (AIM) has a new home

[Stefan Bleeck <bleeck@xxxxxxxxx>]

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@xxxxxxxxxxx). 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@xxxxxxxxxxx