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QESTRAL (Part 2): Calibrating the QESTRAL model using listening test data

Conetta, R, Rumsey, F, Zielinski, S, Jackson, PJB, Dewhirst, M, Bech, S, Meares, D and George, S (2008) QESTRAL (Part 2): Calibrating the QESTRAL model using listening test data In: 125th AES Convention, 2008-10-02 - 2008-10-04, San Francisco USA.

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Abstract

The QESTRAL model is a perceptual model that aims to predict changes to spatial quality of service between a reference system and an impaired version of the reference system. To achieve this, the model required calibration using perceptual data from human listeners. This paper describes the development, implementation and outcomes of a series of listening experiments designed to investigate the spatial quality impairment of 40 processes. Assessments were made using a multi-stimulus test paradigm with a label-free scale, where only the scale polarity is indicated. The tests were performed at two listening positions, using experienced listeners. Results from these calibration experiments are presented. A preliminary study on the process of selecting of stimuli is also discussed.

Item Type: Conference or Workshop Item (Paper)
Additional Information: The papers at this Convention have been selected on the basis of a submitted abstract and extended precis that have been peer reviewed by at least two qualified anonymous reviewers. This convention paper has been reproduced from the author's advance manuscript, without editing, corrections, or consideration by the Review Board. The AES takes no responsibility for the contents. Additional papers may be obtained by sending request and remittance to Audio Engineering Society, 60 East 42nd Street, New York, New York 10165-2520, USA; also see www.aes.org. All rights reserved. Reproduction of this paper, or any portion thereof, is not permitted without direct permission from the Journal of the Audio Engineering Society
Divisions: Faculty of Engineering and Physical Sciences > Electronic Engineering > Centre for Vision Speech and Signal Processing
Depositing User: Symplectic Elements
Date Deposited: 27 Jun 2012 09:18
Last Modified: 23 Sep 2013 18:50
URI: http://epubs.surrey.ac.uk/id/eprint/7737

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