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1. 发明申请

WO2008065209A3 METHOD FOR DETERMINING A MAXIMUM GAIN IN A HEARING DEVICE AS WELL AS A HEARING DEVICE 审中-公开
标题翻译：用于确定听觉设备中作为听觉设备的最大增益的方法
公开(公告)号：WO2008065209A3
公开(公告)日：2008-12-04
申请号：PCT/EP2008050701
申请日：2008-01-22
申请人： PHONAK AG , KORL SASCHA , KUHN LUKAS
发明人： KORL SASCHA , KUHN LUKAS
IPC分类号： H04R25/00
CPC分类号： H04R25/453
摘要： A method for determining a maximum gain is disclosed that is applicable in a forward signal path starting at a microphone (1) and ending at a receiver (11) of a hearing device, the maximum gain being a gain value at which just no feedback occurs. The method comprising the steps of estimating an estimated feedback transfer function (F') characterizing a feedback signal path (15) starting at a receiver (11) and ending at a microphone (1) of the hearing device, while the hearing device is inserted into an ear of a hearing device user, and adapting the estimated feedback transfer function (F') as a result of a changing feedback signal path (15) by applying an adaptive algorithm. The invention is characterized by determining the maximum gain from the estimated feedback transfer function (F'), in particular by coefficients of the estimated feedback transfer function.
摘要翻译：公开了一种用于确定最大增益的方法，其适用于从麦克风（1）开始并在听力设备的接收机（11）处结束的前向信号路径，最大增益是仅发生反馈的增益值。该方法包括以下步骤：在接收器（11）处开始表征反馈信号路径（15）的估计反馈传递函数（F'），并且在听觉设备被插入的同时在听力设备的麦克风（1）处结束进入听力设备用户的耳朵，并且通过应用自适应算法，作为改变的反馈信号路径（15）的结果来适应所估计的反馈传递函数（F'）。本发明的特征在于从所估计的反馈传递函数（F'）确定最大增益，特别是通过所估计的反馈传递函数的系数。

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