The Unified Domain representation for synchronized multi-channel audio streams is introduced. This lossless and invertible transformation describes multiple streams of audio as a single frequency domain magnitude component multiplied by a complex matrix encoding the spatial and phase relationship information for each channel. Unified Domain analysis and signal processing techniques for applications such as high-resolution frequency analysis, sound source separation, spatial psychoacoustic models and low-bitrate audio coding are presented.

Authors: Daniels, Michelle L.; Garcia, Ricardo A.; Short, Kevin M.
Affiliation: Chaoticom Technologies
AES Convention: 119 (October 2005) Paper Number: 6526
Publication Date: October 1, 2005
Subject: Analysis, Synthesis of Sound

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