A method for reducing feedback in a hearing aid device , the hearing aid device comprising an acousto-electric transducer , a signal processing device , a feedback suppression device and an electro-acoustic transducer , the method comprising the steps of: (S10) determining an impulse response function of a first feedback transfer function on a feedback path from the signal processing device via the electro-acoustic transducer , an acoustic signal path from the electro-acoustic transducer to the acousto-electric transducer and via the acousto-electric transducer back to the signal processing device ; (S20) determining a weighted average function in dependence on amplitude absolute values of the impulse response function of the first feedback transfer function, wherein as the weighted average function, an envelope function for the absolute values of the amplitudes is formed, or a low-pass or band-pass smoothed function of the amplitude squares of the impulse response function reflecting an energy of an impulse response over a time delay with respect to an impulse excitation; (S30) estimating a second feedback transfer function of the feedback path by means of an adaptive filter , wherein vector-valued coefficients h(k)= [h0(k), h1(k), h2(k), ..., hN(k)] of the adaptive filter of length N are updated depending on the weighted average function, wherein, for a time k for an adaptation of the vector-valued coefficients h(k) → h(k+1) of the adaptive filter, a respective correction value is weighted with a step size μ, wherein the step size μ is given by a vector of length N which depends on the weighted average value function; (S40) applying the adaptive filter to a signal derived from an acoustic input signal of the acousto-electric transducer in order to reduce a feedback. (S10) determining an impulse response function of a first feedback transfer function on a feedback path from the signal processing device via the electro-acoustic transducer , an acoustic signal path from the electro-acoustic transducer to the acousto-electric transducer and via the acousto-electric transducer back to the signal processing device ; (S20) determining a weighted average function in dependence on amplitude absolute values of the impulse response function of the first feedback transfer function, wherein as the weighted average function, an envelope function for the absolute values of the amplitudes is formed, or a low-pass or band-pass smoothed function of the amplitude squares of the impulse response function reflecting an energy of an impulse response over a time delay with respect to an impulse excitation; (S30) estimating a second feedback transfer function of the feedback path by means of an adaptive filter , wherein vector-valued coefficients h(k)= [h0(k), h1(k), h2(k), ..., hN(k)] of the adaptive filter of length N are updated depending on the weighted average function, wherein, for a time k for an adaptation of the vector-valued coefficients h(k) → h(k+1) of the adaptive filter, a respective correction value is weighted with a step size μ, wherein the step size μ is given by a vector of length N which depends on the weighted average value function; (S40) applying the adaptive filter to a signal derived from an acoustic input signal of the acousto-electric transducer in order to reduce a feedback. <EOS>