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    • 1. 发明授权
    • Hearing aid with feedback cancellation
    • 助听器反馈取消
    • US07995780B2
    • 2011-08-09
    • US11506949
    • 2006-08-18
    • Brian Dam PedersenErik Lindberg
    • Brian Dam PedersenErik Lindberg
    • H04R25/00H04R15/00
    • H04R25/453H04R25/456
    • A hearing aid includes a hearing aid housing enclosing a microphone for converting sound into an audio signal, first feedback compensation means for providing a first feedback compensation signal of signals picked up by the microphone by modeling an internal mechanical feedback signal path of the hearing aid, second feedback compensation means for providing a second feedback compensation signal by modeling an external feedback signal path of the hearing aid, subtracting means for subtracting the first and second feedback compensation signals from the audio signal to form a compensated audio signal, processing means, connected to an output of the subtracting means, for processing the compensated audio signal, and a receiver, connected to an output of the processing means, for converting the processed compensated audio signal into a sound signal.
    • 助听器包括:包围用于将声音转换成音频信号的麦克风的助听器壳体;第一反馈补偿装置,用于通过对助听器的内部机械反馈信号路径进行建模来提供由麦克风拾取的信号的第一反馈补偿信号, 第二反馈补偿装置,用于通过对助听器的外部反馈信号路径进行建模来提供第二反馈补偿信号;减法装置,用于从音频信号中减去第一和第二反馈补偿信号以形成经补偿的音频信号;处理装置,连接到 用于处理经补偿的音频信号的减法装置的输出和连接到处理装置的输出的接收机,用于将经处理的补偿音频信号转换成声音信号。
    • 2. 发明申请
    • Hearing aid with feedback cancellation
    • 助听器反馈取消
    • US20080212816A1
    • 2008-09-04
    • US11506949
    • 2006-08-18
    • Brian Dam PedersenErik Lindberg
    • Brian Dam PedersenErik Lindberg
    • H04R25/00
    • H04R25/453H04R25/456
    • A hearing aid includes a hearing aid housing enclosing a microphone for converting sound into an audio signal, first feedback compensation means for providing a first feedback compensation signal of signals picked up by the microphone by modelling an internal mechanical feedback signal path of the hearing aid, second feedback compensation means for providing a second feedback compensation signal by modelling an external feedback signal path of the hearing aid, subtracting means for subtracting the first and second feedback compensation signals from the audio signal to form a compensated audio signal, processing means, connected to an output of the subtracting means, for processing the compensated audio signal, and a receiver, connected to an output of the processing means, for converting the processed compensated audio signal into a sound signal.
    • 助听器包括:包围用于将声音转换成音频信号的麦克风的助听器壳体;第一反馈补偿装置,用于通过对助听器的内部机械反馈信号路径进行建模来提供由麦克风拾取的信号的第一反馈补偿信号, 第二反馈补偿装置,用于通过对助听器的外部反馈信号路径进行建模来提供第二反馈补偿信号;减法装置,用于从音频信号中减去第一和第二反馈补偿信号以形成经补偿的音频信号;处理装置,连接到 用于处理经补偿的音频信号的减法装置的输出和连接到处理装置的输出的接收机,用于将经处理的补偿音频信号转换成声音信号。