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Corpuscular Streaming and Parametric Modification Paradigm for Spatial Audio Teleconferencing

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This paper presents a new paradigm for spatial audio teleconferencing that exploits the corpuscular nature of general audio parametric coding for low bit-rate audio compression. The paradigm consists of several processing tools. The spatial aspect is enacted by a dynamic rendition tool that optimizes placement of speech sources within the soundscape; the temporal aspects of a phoneme protection tool misalign corruptive and vulnerable speech elements in a multitalking environment. A novel means of echo suppression eliminates the need for adaptive filtering and real-time echo cancellation, which is difficult for multichannel audio.

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JAES Volume 56 Issue 10 pp. 823-843; October 2008
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Permalink: http://www.aes.org/e-lib/browse.cfm?elib=14639

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