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    • 3. 发明授权
    • System, method and hearing aids for in situ occlusion effect measurement
    • 用于原位闭塞效应测量的系统,方法和助听器
    • US08837757B2
    • 2014-09-16
    • US13183567
    • 2011-07-15
    • Martin RungMorten Agerbaek Nordahn
    • Martin RungMorten Agerbaek Nordahn
    • H04R25/00
    • H04R25/70H04R2400/01H04R2430/03H04R2460/05
    • A hearing aid (1) adapted for operation in a sound amplification mode and for operation in an occlusion measurement mode, has a microphone (10) adapted for transforming an acoustic sound level external to a hearing aid users ear canal (4) into a first electrical signal which is guided to an A/D converter forming a first digitized electrical signal. The hearing aid has signal processing means with a filter bank (41, 42) with means for splitting an electrical signal into frequency bands, and a receiver (20) adapted for generating acoustic sounds in the ear canal of a user when in said amplification mode, and for transforming the acoustic sound level in the ear canal into a second electrical signal, when in occlusion measurement mode. The invention also provides a system and a method for measuring the occlusion effect.
    • 一种适于在声音放大模式下操作并用于闭塞测量模式的助听器(1)具有适于将助听器用户耳道(4)外部的声音水平变换为第一 电信号被引导到形成第一数字化电信号的A / D转换器。 助听器具有信号处理装置,该信号处理装置具有滤波器组(41,42),该滤波器组具有用于将电信号分解成频带的装置;以及接收器(20),适于在处于所述放大模式时产生用户的耳道中的声音 并且当处于闭塞测量模式时,用于将耳道中的声音水平变换为第二电信号。 本发明还提供了一种用于测量遮挡效应的系统和方法。
    • 4. 发明授权
    • Method of combining at least two audio signals and a microphone system comprising at least two microphones
    • 组合至少两个音频信号的方法和包括至少两个麦克风的麦克风系统
    • US08693703B2
    • 2014-04-08
    • US12989916
    • 2008-05-02
    • Martin Rung
    • Martin Rung
    • H04R3/00
    • H04R3/005G10L21/0208G10L2021/02165H04R1/10H04R2410/01H04R2410/05H04R2430/20H04R2430/25
    • A method of combining at least two audio signals for generating an enhanced system output signal is described. The method comprises the steps of: a) measuring a sound signal at a first spatial position using a first transducer, such as a first microphone, in order to generate a first audio signal comprising a first target signal portion and a first noise signal portion, b) measuring the sound signal at a second spatial position using a second transducer, such as a second microphone, in order to generate a second audio signal comprising a second target signal portion and a second noise signal portion, c) processing the first audio signal in order to phase match and amplitude match the first target signal with the second target signal within a predetermined frequency range and generating a first processed output, d) calculating the difference between the second audio signal and the first processed output in order to generate a subtraction output, e) calculating the sum of the second audio signal and the first processed output in order to generate a summation output, f) processing the subtraction output in order to minimise a contribution from the noise signal portions to the system output signal and generating a second processed output, and g) calculating the difference between the summation output and the second processed output in order to generate the system output signal.
    • 描述了组合至少两个音频信号以产生增强的系统输出信号的方法。 该方法包括以下步骤:a)使用诸如第一麦克风的第一换能器测量第一空间位置处的声音信号,以便产生包括第一目标信号部分和第一噪声信号部分的第一音频信号, b)使用诸如第二麦克风的第二换能器在第二空间位置测量声音信号,以便产生包括第二目标信号部分和第二噪声信号部分的第二音频信号,c)处理第一音频信号 以便将第一目标信号与预定频率范围内的第二目标信号进行相位匹配和振幅匹配,并产生第一处理输出,d)计算第二音频信号和第一处理输出之间的差以产生减法 输出,e)计算第二音频信号和第一处理输出的和以产生求和输出,f)处理相减 输出,以最小化从噪声信号部分对系统输出信号的贡献并产生第二处理输出,以及g)计算求和输出和第二处理输出之间的差以产生系统输出信号。
    • 5. 发明授权
    • Headset system comprising a noise dosimeter
    • 包括噪声剂量计的耳机系统
    • US09055363B2
    • 2015-06-09
    • US12667188
    • 2008-07-09
    • Martin Rung
    • Martin Rung
    • H04R29/00H04R1/10G01H3/14
    • H04R1/10G01H3/14H04R1/1058H04R29/00H04R2201/107
    • A noise dosimeter (xOO) for monitoring the exposure to noise of a user wearing a headset is described. The noise dosimeter includes a housing to be worn external to the ear of the user, an earpiece (xO1) for placement in or near an ear canal of the user, a microphone transducer, and a signal transmission means (xO3) for transmission of a signal from the earpiece (xO1) to the housing. The earpiece (xO1) comprises sound collection means (xO4) for collecting sound emitted from a speaker of the headset, and the housing comprises signal processing circuitry for processing and accumulating signals from the microphone transducer in order to evaluate a user's exposure to noise when using the headset. The noise dosimeter can be integrated in a headset.
    • 描述了用于监测佩戴耳机的用户的噪声暴露的噪声剂量计(xOO)。 噪声剂量计包括在用户耳部外部佩戴的外壳,用于放置在使用者的耳道内或附近的耳机(xO1),麦克风换能器和用于传输 从信号(xO1)到壳体的信号。 听筒(xO1)包括用于收集从耳机扬声器发出的声音的声音收集装置(xO4),并且该外壳包括用于处理和累积来自麦克风换能器的信号的信号处理电路,以便在使用时评估用户的噪声暴露 耳机。 噪音剂量计可以集成在耳机中。
    • 6. 发明申请
    • HEADSET SYSTEM COMPRISING A NOISE DOSIMETER
    • 包含噪声剂量的头戴系统
    • US20100278350A1
    • 2010-11-04
    • US12667188
    • 2008-07-09
    • Martin Rung
    • Martin Rung
    • H04R29/00
    • H04R1/10G01H3/14H04R1/1058H04R29/00H04R2201/107
    • A noise dosimeter (x00) for monitoring the exposure to noise of a user wearing a headset is described. The noise dosimeter includes a housing to be worn external to the ear of the user, an earpiece (x01) for placement in or near an ear canal of the user, a microphone transducer, and a signal transmission means (x03) for transmission of a signal from the earpiece (x01) to the housing. The earpiece (x01) comprises sound collection means (x04) for collecting sound emitted from a speaker of the headset, and the housing comprises signal processing circuitry for processing and accumulating signals from the microphone transducer in order to evaluate a user's exposure to noise when using the headset. The noise dosimeter can be integrated in a headset.
    • 描述了用于监视佩戴耳机的用户的噪声暴露的噪声剂量计(x00)。 噪声剂量计包括要佩戴在用户耳朵外部的外壳,用于放置在使用者的耳道内或附近的耳机(x01),麦克风换能器和用于传输 信号从耳机(x01)到外壳。 耳机(x01)包括用于收集从头戴式耳机的扬声器发出的声音的声音收集装置(x04),并且该外壳包括用于处理和累积来自麦克风换能器的信号的信号处理电路,以便在使用时评估用户的噪声暴露 耳机。 噪音剂量计可以集成在耳机中。
    • 7. 发明授权
    • Microphone array with high directivity
    • 具有高方向性的麦克风阵列
    • US06526147B1
    • 2003-02-25
    • US09191208
    • 1998-11-12
    • Martin Rung
    • Martin Rung
    • H04R300
    • H04R3/005
    • Microphone array which comprises a multiple of microphones which are arranged in an elongated element or housing, in which the individual microphones in the microphone array are arranged in pairs. The individual microphones in each pair are disposed on each their side of a centerline for the microphone array, where the signals from the microphones are summated in the formation of the output signal from the microphone array. The microphones on each side of the centerline of the microphone array are disposed with non-equidistant spacing between them, and low-pass filters are coupled between each microphone and a summation link, in that the microphones associated with one and the same pair are connected to low-pass filters having the same cut-off frequency. The cut-off frequency for the low-pass filters is different for each pair of microphones, in that the cut-off frequency is lowest for that pair of microphones which lie furthest away from the centerline, and is higher the closer the pair of microphones lies to the centerline. The microphone array is arranged in such a manner that the distances between the microphones and the cut-off frequencies for the low-pass filters are mutually adjusted in relation to one another.
    • 麦克风阵列,其包括布置在细长元件或壳体中的多个麦克风,其中麦克风阵列中的各个麦克风成对布置。 每对中的各个麦克风设置在麦克风阵列的中心线的每一侧上,其中来自麦克风的信号在来自麦克风阵列的输出信号的形成中被求和。 麦克风阵列中心线每侧的麦克风在它们之间以不等距的间距设置,低通滤波器耦合在每个麦克风和一个总和链路之间,因为与一个同一对相关联的麦克风被连接 到具有相同截止频率的低通滤波器。 对于每对麦克风,低通滤波器的截止频率是不同的,因为距离中心线最远的那对麦克风的截止频率最低,而且一对麦克风越近 位于中心线。 麦克风阵列被布置成使得麦克风之间的距离和低通滤波器的截止频率彼此相互调节。
    • 8. 发明授权
    • System and method for measuring and validating the occlusion effect of a hearing aid user
    • 用于测量和验证助听器用户的遮挡效果的系统和方法
    • US09179230B2
    • 2015-11-03
    • US13587915
    • 2012-08-16
    • Martin Rung
    • Martin Rung
    • H04R25/00A61B5/12
    • H04R25/70A61B5/12H04R25/30H04R2430/03H04R2460/05
    • A system for estimating the occlusion effect comprises a hearing aid adapted for being set up for operation in an occlusion measurement mode. The hearing aid comprises a first transducer (9) for transforming an acoustic sound level external to a hearing aid user's ear canal into a first electrical signal. The hearing aid comprises a second transducer (10) for transforming the acoustic sound level in the occluded ear canal into a second electrical signal. The system comprises a filter bank (21, 22) for splitting the first and the second digitized electrical signals into a first and a second band split digitized electrical signal, respectively and the estimated sound pressure must be a factor √{square root over (r)} larger than the estimated leakage when deciding if the estimated sound pressure in a given band can be applied in the calculation of the occlusion effect. The invention further provides a method for estimating the occlusion effect.
    • 用于估计遮挡效果的系统包括适于被设置为在遮挡测量模式中操作的助​​听器。 助听器包括用于将助听器用户的耳道外部的声音水平变换为第一电信号的第一换能器(9)。 助听器包括用于将封闭的耳道中的声音水平变换为第二电信号的第二换能器(10)。 该系统包括用于将第一和第二数字化电信号分别分成第一和第二频带分割数字化电信号的滤波器组(21,22),并且估计的声压必须为因子√{平方根超过(r )}大于估计泄漏,当判定在给定频带中的估计声压是否可以应用于遮挡效应的计算中时。 本发明还提供了一种用于估计遮挡效应的方法。
    • 9. 发明申请
    • METHOD OF COMBINING AT LEAST TWO AUDIO SIGNALS AND A MICROPHONE SYSTEM COMPRISING AT LEAST TWO MICROPHONES
    • 组合最小两个音频信号的方法和包含至少两个麦克风的麦克风系统
    • US20110044460A1
    • 2011-02-24
    • US12989916
    • 2008-05-02
    • Martin Rung
    • Martin Rung
    • H04R29/00H04R3/00
    • H04R3/005G10L21/0208G10L2021/02165H04R1/10H04R2410/01H04R2410/05H04R2430/20H04R2430/25
    • A method of combining at least two audio signals for generating an enhanced system output signal is described. The method comprises the steps of: a) measuring a sound signal at a first spatial position using a first transducer, such as a first microphone, in order to generate a first audio signal comprising a first target signal portion and a first noise signal portion, b) measuring the sound signal at a second spatial position using a second transducer, such as a second microphone, in order to generate a second audio signal comprising a second target signal portion and a second noise signal portion, c) processing the first audio signal in order to phase match and amplitude match the first target signal with the second target signal within a predetermined frequency range and generating a first processed output, d) calculating the difference between the second audio signal and the first processed output in order to generate a subtraction output, e) calculating the sum of the second audio signal and the first processed output in order to generate a summation output, f) processing the subtraction output in order to minimise a contribution from the noise signal portions to the system output signal and generating a second processed output, and g) calculating the difference between the summation output and the second processed output in order to generate the system output signal.
    • 描述了组合至少两个音频信号以产生增强的系统输出信号的方法。 该方法包括以下步骤:a)使用诸如第一麦克风的第一换能器测量第一空间位置处的声音信号,以便产生包括第一目标信号部分和第一噪声信号部分的第一音频信号, b)使用诸如第二麦克风的第二换能器在第二空间位置测量声音信号,以便产生包括第二目标信号部分和第二噪声信号部分的第二音频信号,c)处理第一音频信号 以便将第一目标信号与预定频率范围内的第二目标信号进行相位匹配和振幅匹配,并产生第一处理输出,d)计算第二音频信号和第一处理输出之间的差以产生减法 输出,e)计算第二音频信号和第一处理输出的和以产生求和输出,f)处理相减 输出,以最小化从噪声信号部分对系统输出信号的贡献并产生第二处理输出,以及g)计算求和输出和第二处理输出之间的差以产生系统输出信号。