This paper reports recent progress towards the development of a spatial ear trainer. A study into the perceptual construct of 'ensemble width' (i.e. the lateral spacing of the outer sources contained within an auditory scene) was conducted. With the help of a novel surround panner, exemplary stimuli were created. Changes were highly controlled to enable unidimensional variation of the intended qualitative effect. To assess the success of the simulation, a subjective experiment was designed based on Multidimensional Scaling (MDS) techniques and completed by an experienced listening panel. Additional verbal and non-verbal data were collected so as to facilitate analysis of the perceptual (MDS) space. Results show that unidimensionality was achieved, thus suggesting the stimuli to be suitable for training purposes.

Authors: Neher, Tobias; Rumsey, Francis; Brookes, Tim; Craven, Peter G.
Affiliations: Institute of Sound Recording, University of Surrey, Guildford, Surrey, UK ; Algol Applications, Steyning, West Sussex, UK(See document for exact affiliation information.)
AES Convention: 114 (March 2003) Paper Number: 5769
Publication Date: March 1, 2003
Subject: Spatial Perception and Processing

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