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US08693716B1 Hearing device with analog filtering and associated method 有权
具有模拟滤波和相关方法的听力装置

  • Patent Title: Hearing device with analog filtering and associated method
  • Patent Title (中): 具有模拟滤波和相关方法的听力装置
  • Application No.: US13720652
    Application Date: 2012-12-19
  • Publication No.: US08693716B1
    Publication Date: 2014-04-08
  • Inventor: Peter Siegumfeldt
  • Applicant: GN ReSound A/S
  • Applicant Address: DK Ballerup
  • Assignee: GN Resound A/S
  • Current Assignee: GN Resound A/S
  • Current Assignee Address: DK Ballerup
  • Agency: Vista IP Law Group, LLP
  • Priority: DK201270744 20121130; EP12195007 20121130
  • Main IPC: H04R25/00
  • IPC: H04R25/00
Hearing device with analog filtering and associated method
Abstract:
A hearing device includes: a microphone for converting audio into an audio signal; a preprocessing unit for analog processing of the audio signal and having an input and an output, wherein the input is connected to an output of the microphone; an A/D converter for converting the processed analog audio signal into a digital audio signal, the A/D converter having an input and an output, wherein the input of the A/D converter is connected to the output of the preprocessing unit; and a processing unit for digital processing of an output from the A/D converter, wherein the processing unit is connected to the preprocessing unit, and is configured to apply a first transfer function to the audio signal in a first mode of operation, or a second transfer function with a cutoff frequency to the audio signal in a second mode of operation, depending on a control signal.
Abstract(Chinese):

听力装置包括：用于将音频转换成音频信号的麦克风; 用于模拟处理音频信号并具有输入和输出的预处理单元，其中所述输入连接到所述麦克风的输出; A / D转换器，用于将处理后的模拟音频信号转换为数字音频信号，A / D转换器具有输入和输出，其中A / D转换器的输入连接到预处理单元的输出; 以及处理单元，用于对来自A / D转换器的输出进行数字处理，其中处理单元连接到预处理单元，并且被配置为在第一操作模式中对音频信号应用第一传递函数，或者 取决于控制信号，在第二操作模式中，对音频信号具有截止频率的第二传递函数。

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