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METHOD FOR DIRECTION-DEPENDENT NOISE REJECTION FOR A HEARING SYSTEM CONTAINING A HEARING APPARATUS AND HEARING SYSTEM
METHOD FOR DIRECTION-DEPENDENT NOISE REJECTION FOR A HEARING SYSTEM CONTAINING A HEARING APPARATUS AND HEARING SYSTEM
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机译:用于具有听力设备和听力系统的听力系统的方向依赖性噪声抑制方法
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摘要
In a method for direction-dependent noise rejection for a hearing system, first and second input transducers are used to generate an interference signal and a target signal from a sound from the surroundings. The interference signal and/or the target signal are referenced to a useful signal source arranged in a target direction. The target signal is generated with a target directivity pattern. For each of a first plurality of frequency bands, an acoustic characteristic of the target signal is compared with a corresponding acoustic characteristic of the interference signal, and the comparison is used to ascertain a provisional weighting factor. The provisional weighting factor is used to form for the frequency band a weighting factor for the respective frequency bands. An input signal to be processed is weighted on a frequency-band-by-frequency-band basis using the respective weighting factor, and the weighted input signal is used to generate an output signal.
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