@misc{EURECOM+4180, author = {Yemdji, Christelle and Lepauloux, Ludovick and Beaugeant, Christophe and Evans, Nicholas}, title = {Usage of microphones power difference for echo processing in mobile phones}, howpublished = {Patent No. US 13/892420}, year = {2013}, note = {© EURECOM. Personal use of this material is permitted. The definitive version of this paper was published in Patent No. US 13/892420 and is available at :}, }