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    • 4. 发明公开
    • SOUND PROCESSING FOR A BILATERAL COCHLEAR IMPLANT SYSTEM
    • SCHALLVERARBEITUNGFÜRBILATERALES COCHLEAIMPLANTATSYSTEM
    • EP3108929A1
    • 2016-12-28
    • EP16174711.8
    • 2016-06-16
    • Carl von Ossietzky Universität OldenburgOticon Medical A/S
    • DIETZ, MathiasBACKUS, Bradford
    • A61N1/36
    • A61N1/36032A61N1/0541A61N1/36036H04R25/552H04R25/606H04S2420/00
    • According to an embodiment, a bilateral cochlear implant (Cl) is disclosed. The bilateral Cl comprises (i) a first microphone or a first microphone array, positioned at or in the vicinity of a first ear of a user of the bilateral Cl, adapted to receive a sound and to generate a first microphone signal in response to the received sound; (ii) a second microphone or a second microphone array, positioned at or in the vicinity of a second ear of the user of the bilateral Cl, adapted to receive the sound and to generate a second microphone signal in response to the received sound; (iii) a processor comprising (a) a filterbank adapted to filter the first microphone signal into a plurality of band limited first microphone signals and to filter the second microphone signal into a plurality of band limited second microphone signals; (b) a determination unit adapted to determine a major sound based on analysis of the first microphone signal and/ or the second microphone signal and/ or at least one of the plurality of band limited first microphone signals and/ or at least one of the plurality of band limited second microphone signals and to extract direction of arrival of the major sound; and (c) a processing unit adapted to generate a primary pulse pattern based on the determined major sound and to generate a secondary pulse pattern comprising a copy of the primary pulse pattern and a localization information incorporated therein, the localization information being based on the extracted direction of arrival; and (iv) a pulse generator adapted to generate a primary stimulation pulse based on the primary pulse pattern for stimulating an auditory nerve and a secondary stimulation pulse based on the secondary pulse pattern for stimulating another auditory nerve.
    • 根据一个实施例,公开了一种双侧耳蜗植入物(Cl)。 双边C1包括(i)位于双边C1的用户的第一耳或其附近的第一麦克风或第一麦克风阵列,适于接收声音并响应于所述第一麦克风信号产生第一麦克风信号 收到声音 (ii)位于双边C1的用户的第二耳朵处或附近的第二麦克风或第二麦克风阵列,适于接收声音并响应于所接收的声音产生第二麦克风信号; (iii)处理器,包括:(a)滤波器组,适于将所述第一麦克风信号滤波成多个带限制的第一麦克风信号,并将所述第二麦克风信号滤波成多个带限制的第二麦克风信号; (b)确定单元,适于基于对第一麦克风信号和/或第二麦克风信号的分析和/或多个频带限制的第一麦克风信号中的至少一个和/或至少一个 多个频带限制的第二麦克风信号,并提取主要声音的到达方向; 以及(c)处理单元,适于基于所确定的主要声音产生主要脉冲模式,并且产生辅助脉冲模式,其包括主脉冲模式的副本和其中并入的定位信息,所述定位信息基于所提取的 到达方向 以及(iv)脉冲发生器,其适于基于用于刺激听觉神经的主脉冲图案和基于用于刺激另一听觉神经的次脉冲图案的次级刺激脉冲产生主刺激脉冲。