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EURASIP Journal on Advances in Signal Processing
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Multichannel Coding of Applause Signals

EURASIP Journal on Advances in Signal Processing volume 2008, Article number: 531693 (2007) Cite this article

Abstract

We develop a parametric multichannel audio codec dedicated to coding signals consisting of a dense series of transient-type events. These signals of which applause is a typical example are known to be problematic for such audio codecs. The codec design is based on preservation of both timbre and transient-type event density. It combines a very low complexity and a low parameter bit rate (0.2 kbps). In a formal listening test, we compared the proposed codec to the recently standardised MPEG Surround multichannel codec, with an associated parameter bit rate of 9 kbps. We found the new codec to have a significantly higher audio quality than the MPEG Surround codec for the two multichannel applause signals under test. Though this seems promising, the technique presented is not fully mature, for example, because issues related to integration of the proposed codec in the MPEG Surround codec were not addressed.

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Authors and Affiliations

  1. Digital Signal Processing Group, Philips Research, High Tech Campus 36, Eindhoven, 5656 AE, The Netherlands

    Gerard Hotho, Steven van de Par & Jeroen Breebaart

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  1. Gerard Hotho
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  2. Steven van de Par
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  3. Jeroen Breebaart
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Correspondence to Steven van de Par.

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Open Access This article is distributed under the terms of the Creative Commons Attribution 2.0 International License ( https://creativecommons.org/licenses/by/2.0 ), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Hotho, G., van de Par, S. & Breebaart, J. Multichannel Coding of Applause Signals. EURASIP J. Adv. Signal Process. 2008, 531693 (2007). https://doi.org/10.1155/2008/531693

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  • DOI: https://doi.org/10.1155/2008/531693

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