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Subjective and objective quality assessment of audio source separation

Valentin Emiya 1, Emmanuel Vincent 1, Niklas Harlander 2, Volker Hohmann 2

PHC Procope 20142UD Collaboration(s)

(21/05/2010)

We aim to assess the perceived quality of estimated source signals in the context of audio source separation. These signals may involve one or more kinds of distortions, including distortion of the target source, interference from the other sources or musical noise artifacts. We propose a subjective test protocol to assess the perceived quality with respect to each kind of distortion and collect the scores of 20 subjects over 80 sounds. We then propose a family of objective measures aiming to predict these subjective scores based on the decomposition of the estimation error into several distortion components and on the use of the PEMO-Q perceptual salience measure. These measures increase correlation with subjective scores up to 0.5 compared to nonlinear mapping of individual state-of-the-art source separation measures.

1 :	METISS (INRIA - IRISA)
	CNRS : UMR6074 – INRIA – Institut National des Sciences Appliquées (INSA) - Rennes – Université de Rennes 1
2 :	Medizinische Physik
	Carl von Ossietzky Universität Oldenburg

Domaine

:

Informatique/Traitement du signal et de l'image Sciences de l'ingénieur/Traitement du signal et de l'image

Mots-clés : Source separation – audio – quality assessment – objective measure – subjective test protocol

inria-00485729, version 4

http://hal.inria.fr/inria-00485729

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Contributeur : Valentin Emiya <>

Soumis le : Mercredi 23 Février 2011, 09:42:10

Dernière modification le : Mercredi 23 Février 2011, 10:05:49