Object-Based Spatial Audio: Concept, Advantages, and Challenges

Kim, Chungeun

doi:10.1007/978-1-4614-8373-1_5

Cited by 4 publications

(2 citation statements)

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“…This paradigm is linked to advances in spatial audio reproduction [8,11,14] as, unlike traditional channel-based methods, the reconstruction of a virtual sound scene can be optimised to a given reproduction setup or listening environment [23]. Along with the advantages it brings to spatial audio reproduction, objectbased audio offers possibilities for greater personalisation, interaction and adaptation of content [1] [18].…”

Section: Object-based Audiomentioning

confidence: 99%

“…In an object-based broadcasting chain, however, there is the possibility for content to be adapted at the receiver end so as to account for such factors. This is achieved by representing audio content as separate objects with corresponding metadata and then rendering these objects at the receiver end [11] (see Tim Walton t.walton3@ncl.ac.uk 1 Open Lab, Newcastle University, Newcastle upon Tyne, UK 2 BBC Research and Development, Salford, UK 3 Northumbria University, Newcastle upon Tyne, UK Section 1.2). With object-based audio, it may therefore be possible to adapt an audio mix at the point of consumption so as to improve the listening experience when in noisy environments.…”

Section: Introductionmentioning

confidence: 99%

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Exploring object-based content adaptation for mobile audio

Walton

Evans²,

Kirk

et al. 2018

Pers Ubiquit Comput

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Mobile devices enable users to consume media with audio content in a wide range of contexts, with environmental noise being present in many of these. Several methods exist that aim to improve the experience of mobile listening by utilising information about the environmental noise, such as volume and dynamic range adaptation. This paper explores a fundamentally different approach to improving the mobile listening experience by using the object-based audio paradigm, where individual audio sources are mixed in response to each specific listening context. Three experimental studies, containing both quantitative and qualitative aspects, are presented which investigate whether environmental noise influences preference of background-foreground audio object balance in a mix. The results indicate that environmental noise can influence the preferred audio mix and that the nature of the adaptations made is dependent upon both audio content and user. Additionally, qualitative analysis provides an understanding of the role of environmental noise on preferred audio mix. It is believed that the content adaptation method explored in this paper is a simple yet useful tool for adapting content to suit both the context and the user.

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