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Audio quality evaluation in MUSHRA tests - influences between loop setting and a listener's ratings

: Schinkel-Bielefeld, N.

Audio Engineering Society -AES-:
142nd Audio Engineering Society International Convention 2017. Vol.2 : Berlin, Germany, 20-23 May 2017
Red Hook, NY: Curran, 2017
ISBN: 978-1-5108-4352-3
Audio Engineering Society (AES International Convention) <142, 2017, Berlin>
Conference Paper
Fraunhofer IIS ()

In many listening tests for audio quality evaluation the participants have the possibility to set loops, meaning they can focus on smaller parts of the audio signal and listen to those parts repeatedly. In previous papers, we already showed that experienced listeners set more loops than untrained ones and that learning to set loops in-creases the ability of a listener to perceive artifacts. Now we analyze to what extent the chosen loops vary from listener to listener and whether the ratings are influenced by the choice of loops. We show that - depending on the stimulus - listeners who set different loops may also give significantly different ratings.