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Perception of phase changes in the context of musical audio source separation

Kim, Chungeun, Grais, Emad M, Mason, Russell and Plumbley, Mark D (2018) Perception of phase changes in the context of musical audio source separation In: AES 145th Convention, 17 - 20 October 2018, New York, USA.

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This study investigates into the perceptual consequence of phase change in conventional magnitude-based source separation. A listening test was conducted, where the participants compared three different source separation scenarios, each with two phase retrieval cases: phase from the original mix or from the target source. The participants’ responses regarding their similarity to the reference showed that 1) the difference between the mix phase and the perfect target phase was perceivable in the majority of cases with some song-dependent exceptions, and 2) use of the mix phase degraded the perceived quality even in the case of perfect magnitude separation. The findings imply that there is room for perceptual improvement by attempting correct phase reconstruction, in addition to achieving better magnitude-based separation.

Item Type: Conference or Workshop Item (Conference Paper)
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
Kim, Chungeun
Grais, Emad
Plumbley, Mark
Date : 7 October 2018
Funders : Engineering and Physical Sciences Research Council (EPSRC)
Depositing User : Melanie Hughes
Date Deposited : 22 Aug 2018 13:28
Last Modified : 17 Jan 2019 12:02

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