Lissek, HervéMartin, PhilippeCarmona, JorgeImhasly, MichelMillar, IanFalourd, XavierMarmaroli, Patrick2010-02-112010-02-112010-02-112011https://infoscience.epfl.ch/handle/20.500.14299/46619A portable voice capture device comprising: an orientable arm with a first differential array of microphones comprising at least one pair of microphones, the directivity of said first array being arranged for sensing voice from a first direction depending on the orientation of said arm; a second differential array of microphones comprising at least one pair of microphones, the directivity of said second array being arranged for sensing noise from a second direction different from the first direction; a noise reduction circuit for providing a voice signal with reduced noise, based on the output of said first array and on the output of said second array.patentCH702399US9510090ES2554622EP2508009US2012330653EP2508009CH702399WO201106729243622622