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Object-based reverberation encoding from first-order Ambisonic RIRs

Coleman, Philip, Franck, A, Menzies, D and Jackson, Philip (2017) Object-based reverberation encoding from first-order Ambisonic RIRs In: 142nd International Convention; AES Berlin 2017, 20 - 23 May 2017, Berlin, Germany.

2017AES142_ColemanEtAl_ObjReverbBFormat_preprint.pdf - Accepted version Manuscript

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Recent work on a reverberant spatial audio object (RSAO) encoded spatial room impulse responses (RIRs) as object-based metadata which can be synthesized in an object-based renderer. Encoding reverberation into metadata presents new opportunities for end users to interact with and personalize reverberant content. The RSAO models an RIR as a set of early re ections together with a late reverberation filter. Previous work to encode the RSAO parameters was based on recordings made with a dense array of omnidirectional microphones. This paper describes RSAO parameterization from first-order Ambisonic (B-Format) RIRs, making the RSAO compatible with existing spatial reverb libraries. The object-based implementation achieves reverberation time, early decay time, clarity and interaural cross-correlation similar to direct Ambisonic rendering of 13 test RIRs.

Item Type: Conference or Workshop Item (Conference Paper)
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
Franck, A
Menzies, D
Date : 11 May 2017
Copyright Disclaimer : Copyright 2017 Audio Engineering Society
Related URLs :
Depositing User : Melanie Hughes
Date Deposited : 12 Jul 2017 15:26
Last Modified : 16 Jan 2019 18:54

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