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2D to 3D Upmixing based on Perceptual Band Allocation (PBA)

Lee, Hyunkook (2014) 2D to 3D Upmixing based on Perceptual Band Allocation (PBA). In: AES 136th Convention. AES, p. 9079.

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Listening tests were carried out to evaluate the performance of a 2D to 3D ambience upmixing technique based on ‘Perceptual Band Allocation (PBA)’, which is a novel vertical image extension method. 5-channel recordings were made with a 3-channel frontal microphone array and a 4-channel ambience array in a concert hall. The 4-channel ambience signals were low- and high-pass filtered at three different crossover frequencies: 0.5k, 1k and 4kHz. For 2D to 3D upmixing, the low-passed signals were routed to the corresponding lower-layer loudspeakers while the high-passed ones to the upper-layer loudspeakers configured in a 9-channel Auro3D-inspired setup. Results suggested that the proposed method produced a similar or greater magnitude of perceived 3D listener envelopment compared to an original 9-channel ambience recording as well as the original 5-channel recording, depending on the crossover frequency.

Item Type: Book Chapter
Subjects: T Technology > T Technology (General)
Schools: School of Computing and Engineering
School of Computing and Engineering > Music Technology and Production Research Group
School of Music, Humanities and Media > CeReNeM
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Depositing User: Hyunkook Lee
Date Deposited: 06 May 2014 12:47
Last Modified: 28 Aug 2021 11:37


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