Home' Accord : Accord March 2015 Contents ACAud NATIONAL CONGRESS SUNSHINE COAST 2015
MRS JAN POLLARD
Noise isn’t what it used to be
ABSTRACT: The most common COSI goal of our
clients is to be able to hear in a noisy situation.
The complexity of the competing factors
degrading the target speech signal has meant
that digital processing requirements for hearing
aids at their highest to provide client satisfaction. We have come
a long way from analog directional hearing aids in the ways to
improve the signal to noise ratio and quality of the processed signal.
Environment classification is a method of acoustic signal analysis
that attempts to recognise a complex set of patterns typically
encountered in auditory environments. Analysis of periodicity,
modulation rate, signal-to-noise ratio, inter-aural time and level
differences results in categorisation of the input into an environment
type of Speech in Noise, Speech in Quiet, Noise or Quiet or Wind.
Binaural Coordination merges independent functionalities to
create a single, unified and natural listening experience for
the hearing aid wearer. Prioritisation and synchronisation of
the environmentally classified categories then occurs between
the two hearing instruments to optimise the advantages of
inter-aural information being retained. Reverb Reduction
and Impulse Noise Reduction further enhance the quality and
acceptability of the complex signal. The result is a full 3600 binaural
optimisation of the auditory environment and a hands-free, unified
auditory experience for the listener in dynamic environments.
Jan Pollard, has been part of the Sonic team for over 12 years
and is their Chief Audiologist. Prior to this she was the Head of
Audiology at the Royal Children’s Hospital and Melbourne. Over
the years Jan has worked in a diverse range of areas and has built
an expertise in areas such as hearing aids, training, diagnostic
audiology, pediatric audiology and newborn hearing screening.
MR TRONG NGUYEN
Balance assessments within private practice
– Is it possible?
ABSTRACT: Balance assessments through
VNG can often be neglected in private
clinics given the perceived amount of time
to perform them and the expense to the
professional. Since the introduction of the Video Head Impulse
Test (vHIT), we now have the opportunity to assess the full
semicircular canal function independently in a more efficient
and less invasive manner. This presentation will describe how
the vHIT works, look at the comparisons between standard VNG
testing as well as discuss how it can be used in current practice
which may not be currently performing VNG assessments.
Mr Trong Nguyen is an audiologist and product consultant
with Interacoustics and lends his hand in education and
support to clinics over the full diagnostic test battery. Trong
has a strong diagnostic paediatrics background with his initial
work at the Children’s Hospital at Westmead. His interests in
evoked potentials have lead him to broaden his skill set over
the full EP tests as well as the vestibular assessment battery.
DR BRENT MCMONAGLE
Surgical options for hearing loss: the present
and the future
ABSTRACT: The causes of hearing loss are many
and varied. While hearing aids remain the main
rehabilitation option, there are a large number of surgical options
available. From middle ear prostheses to implantable hearing aids,
we are now spoilt for choice. As our population ages, there will be
increased demand to manage hearing loss for longer periods of life.
Advances in molecular neurobiology are unlocking the potential
for growth factors and stem cells to be used in the cochlea. While
the present looks and sounds good, the future looks even brighter.
Dr Brent McMonagle MBBS, was born on the Gold Coast,
and educated at The Southport School, graduating from the
University of Queensland Medical School in 1996. I received
my surgical fellowship in 2004 having completed my training
in Queensland, and then undertook post-fellowship training in
2005/6 in Sydney, London, and Adelaide in the areas of otology,
neurotology, skullbase surgery, and advanced sinus surgery.
Whilst having had broad training in all areas of my specialty,
I have special interests in otology (including bone anchored
hearing aids and cochlear implantation), neurotology (especially
facial nerve disorders), skullbase surgery (such as acoustic
neuromas and pituitary tumours), and advanced sinus surgery
(and its extension to the orbit and skull base). I have written
numerous articles and chapters on basic science and clinical
research, and presented both nationally and internationally.
In terms of research, I have just submitted a PhD thesis through
Griffith University on Nasal derived Olfactory Ensheathing and
Stem Cells in Peripheral Nerve Repair and Regeneration. This
work has involved developing alternative methods of peripheral
nerve repair, and this technology has also led to applications in
neurological disease and the human spinal cord injury trial at
Princess Alexandra Hospital. I also serve as the scientific director
of the Perry Cross Spinal Research Foundation, a not for profit
charity involved in fund raising to support spinal cord research.
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