Former studies have shown that up- and down-mix algorithms have a significant effect on ratings of audio quality. The question arises whether this significant effect is also verifiable when it comes to rating the overall listening experience of music. When listeners rate the overall listening experience, they are allowed to take everything into account that is important to them for enjoying a listening experience. An experiment was conducted where 25 participants rated the overall listening experience while listening to music that was artistically mixed and up- and down-mixed by six algorithms. The results show that there are no significant differences between the artistic mixes and the up- and down-mix algorithms except for two mixing algorithms which served as “lower anchors” and had a significant negative effect on the ratings.

Authors: Schoeffler, Michael; Adami, Alexander; Herre, Jürgen
Affiliations: International Audio Laboratories Erlangen, Erlangen, Germany; Fraunhofer IIS, Erlangen, Germany(See document for exact affiliation information.)
AES Convention: 137 (October 2014) Paper Number: 9140
Publication Date: October 8, 2014
Subject: Perception

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