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    • 43. 发明授权
    • HEARING AID
    • 助听器
    • EP2259605B1
    • 2012-05-09
    • EP10750017.5
    • 2010-02-05
    • Panasonic Corporation
    • MARUOKA, KazutakaOCHI, Akira
    • H04R25/00
    • H04R25/305H04R2225/33H04R2225/61
    • A hearing aid is provided with a microphone (1) for collecting sound, an A/D converter (2) for converting an analog signal outputted from the microphone (1) to a digital signal, a hearing aid treatment unit (3) for subjecting the digital signal outputted from the A/D converter (2) to hearing aid treatment, a D/A converter (4) for converting the signal subjected to the hearing aid treatment to an analog signal, and a receiver (5) for outputting the analog signal outputted from the D/A converter (4), as an acoustic signal, to the surrounding area thereof. A mixing unit (6), one input of which is connected to the output of the hearing aid treatment unit (3) and the output of which is connected to the input of the D/A converter (4), is disposed between the hearing aid treatment unit (3) and the D/A converter (4). The output of a notification sound processing unit (8) for processing a notification sound signal generated by a notification sound generation unit (7) is connected to the other input of the mixing unit (6). A control unit (9) for generating a mixing ratio signal for mixing the output signals of the hearing aid treatment unit (3) and the notification sound processing unit (8) is connected to the mixing unit (6).
    • 助听器具有用于收集声音的麦克风(1),用于将从麦克风(1)输出的模拟信号转换为数字信号的A / D转换器(2),用于对麦克风进行受话的助听器处理单元(3) 从A / D转换器2输出到助听器处理的数字信号,将进行了助听处理的信号转换为模拟信号的D / A转换器4,以及接收器5, 从D / A转换器(4)输出的模拟信号作为声音信号传送到其周围区域。 一个输入端连接到助听器处理单元(3)的输出端并且其输出端连接到D / A转换器(4)的输入端的混合单元(6)设置在听力 援助处理单元(3)和D / A转换器(4)。 用于处理由通知声音产生单元(7)产生的通知声音信号的通知声音处理单元(8)的输出端连接到混合单元(6)的另一个输入端。 用于产生用于混合助听器处理单元(3)和通知声音处理单元(8)的输出信号的混合比信号的控制单元(9)连接到混合单元(6)。