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Measurement of Small Impairments of Perceptual Audio Coders Using a 3-Facet Rasch Model

The subjective measurement of small audible differences has been hampered by experimental conflict between applicability and reproducibility. The Rasch Model offers a unique means of controlling the statistical analysis of experimental data in order to maximize reproducibility and applicability across listeners, audio material, and devices under test. The authors describe their testing of five codecs for Lucent Technologies.

Authors: Moulton, David; Moulton, Mark
Affiliation: Moulton Laboratories, Groton, MA
AES Convention:104 (May 1998) Paper Number:4709 Import into BibTeX
Subject:Psychoacoustics

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