Method of generating an electrical output signal and...

H - Electricity – 04 – R

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H04R 3/00 (2006.01)

Patent

CA 2396832

At a beamformer with at least two acoustical/electrical converters (M1, M2) the outputs (A1, A2) thereof are op-erationally connected to a beamformer unit (12). There signals dependent on signals (S1, S2) arising at said outputs (A1, A2) are co-processed to result in a beamformer output signal (S a) dependent on both output signals of the converters. Frequency roll-off of the output signal (S a) is counteracted by establishing a gain mismatch (10) of the two gains between the acoustical input signal (A) on one hand and the inputs to unit (12).

Au niveau d'un formeur de faisceaux pourvu d'au moins deux convertisseurs acoustiques/électriques (M1, M2), les sorties (A1, A2) correspondantes sont connectées de manière opérationnelle à une unité (12) du formeur de faisceaux. Là, des signaux dépendants des signaux (S1, S2) émergeant au niveau desdites sorties (A1, A2) sont co-traités pour déboucher sur un signal de sortie du formeur de faisceaux (Sa), signal dépendant des deux signaux de sortie des convertisseurs. La décroissance de fréquence du signal de sortie (Sa) est amortie par le biais de l'établissement d'une désadaptation des gains (10) des deux gains entre le signal d'entrée acoustique (A) et les entrées de l'unité (12).

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