University of Surrey

Huseyin Hacihabiboglu

Ahmet Kondoz

Banu Gunel Hacihabiboglu

A method of separating a mixture of acoustic signals from a plurality of sources comprises: providing pressure signals indicative of time-varying acoustic pressure in the mixture; defining a series of time windows; and for each time window: a) providing from the pressure signals a series of sample values of measured directional pressure gradient; b) identifying different frequency components of the pressure signals c) for each frequency component defining an associated direction; and d) from the frequency components and their associated directions generating a separated signal for one of the sources.

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Surrey, United Kingdom

Huseyin Hacihabiboglu