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Moore, David J. and Wakefield, Jonathan P. (2010) A Design Tool to Produce Optimised Ambisonic Decoders. In: 40th International Audio Engineering Society Conference - Spatial Audio, 8-10 October 2010, Tokyo, Japan.
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Abstract
This paper describes a tool for designing Ambisonic surround sound decoders. The tool is highly flexible and provides a decoder designer with powerful features to enable the design of a decoder to their specific requirements. The tool
employs computer search to find decoder parameters that best meet design criteria specified in a multiobjective fitness function. Features include: objective range-removal and importance, even performance by angle, performance that correlates with human spatial resolution, and frequency dependent and independent decoders of different orders.
Performance can be optimised for a single listener or multiple off-centre listeners. The current tool works for 5.0 surround sound however it can be extended to other horizontal-only and 3D configurations. Results are shown that
demonstrate the tool’s capability and flexibility for various scenarios.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Subjects: | Q Science > QA Mathematics > QA76 Computer software T Technology > T Technology (General) T Technology > TA Engineering (General). Civil engineering (General) |
| Schools: | School of Computing and Engineering School of Computing and Engineering > Music Technology and Production Research Group School of Computing and Engineering > Pedagogical Research Group |
| Related URLs: | |
| Depositing User: | Jonathan Wakefield |
| Date Deposited: | 25 Nov 2010 10:13 |
| Last Modified: | 16 Dec 2010 10:02 |
| URI: | http://eprints.hud.ac.uk/id/eprint/9097 |
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