| 摘要 |
<p>The present invention pertains to signal de-correlation for stability improvements in hearing aids and to improve speech audibility at high frequencies. A hearing aid and a method of de-correlating an input signal and output signal of a hearing aid is disclosed. The invention comprises dividing the input signal into a high frequency part and a low frequency part, generating a synthetic signal on the basis of the high frequency part of the input signal, and a model, said model being based on a periodic function, wherein the phase of the synthetic signal at least in part is randomized, and combining the synthetic signal with the low frequency part of the input signal.
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