Applications of perceptual psychology and neuroscience to audio engineering problems

Applications of perceptual psychology and neuroscience to audio engineering problems

Date: 29 Jan 2018
Time: 18:00

Location: Department of Theatre, Film and Television, University of York
Department of Theatre, Film and Television, University of York
York

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Title – Applications of perceptual psychology and neuroscience to audio engineering problems

Authors –  Cleopatra Pike, School of Psychology and Neuroscience, University of St Andrews.
Amy V Beeston, School of Music, University of Leeds

 

Human psychology and neuroscience are involved in the design of many audio products. Firstly, they can be used to determine whether the products suit the needs of the people they aim to serve. ‘Human-technology interaction’ research is conducted to ascertain how humans respond to audio products – where they help and where they hinder.  However, issues remain with this research, such as getting reliable reports from people about their experience.

Secondly, psychology and neuroscience can be used to solve engineering problems via ‘human inspired approaches’ (e.g. they can be used produce robots that listen like humans in noisy environments). To fulfil this aim audio engineers and psychologists must determine the biological and behavioural principles behind how humans listen.  However, the human hearing system is a black-box which has developed over years of evolution. This makes understanding and applying human principles to technology challenging.

We discuss some of the benefits and issues involved in an interdisciplinary approach to developing audio products. We include examples from our research investigating how machine listeners might simulate human hearing in compensating for reverberation and spectral distortion, how machine listeners might achieve the perceptual efficiency of humans by optimally combining multiple senses, and how the input from tests on humans can be used to optimise the function of hearing aids.


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