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Modification of Spatial Information in Coincident-Pair Recordings

A novel method is presented for modifying the spatial information contained in the output from a stereo coincident pair of microphones. The purpose of this method is to provide additional decorrelation of the audio at the left and right replay channels for sound arriving at the sides of a coincident pair but to retain the imaging accuracy for sounds arriving to the front or rear or where the entire soundfield is highly correlated. Details of how this is achieved are given and results for different types of soundfield are presented.

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