An acoustic feedback control adaptive method in an output signal (u) of a sound broadcasting device, the sound broadcasting device receiving as input an input signal (e), the input signal (e) being a function of a signal (y) captured by a microphone and an estimation x ^ of an acoustic feedback signal (x), the captured signal (y) being equal to the sum of an acoustic source signal (s) and the acoustic feedback signal (x), the estimation x ^ of the acoustic feedback signal (x) comprising the following steps of: - determining a filter, an impulse response of the filter being partitioned into a partition comprising a plurality of blocks (b 0,...b i,..., b Nb) in the time domain, each block (b 0,...b i,..., b Nb) of the plurality comprising a number of samples of the impulse response, said number of samples being equal to a size of said block, the size of a block (b 0,... b i,..., b Nb) being different from another size of at least one other block (b 0,...b i,..., b Nb), each block of the plurality of blocks (bi) comprising a number (Ni) of sub-blocks (h 1,i,h 2,i,... h j,i,... h Ni,i), the number (Ni) of sub-blocks (h 1,i,h 2,i,... h j,i,... h Ni,i) being greater than or equal to one, the determination step further comprising the following steps of: - for each sub-block (h 1,i,h 2,i,... h j,i,... h Ni,i) of each block of the impulse response, calculating a frequency transform (F 1,i, F 2,i,...F j,i,... F Ni,i) from said sub-block (h 1,i,h 2,i,... h j,i,... h Ni,i), - repeating the following steps of: - applying the filter to the output signal (u) using the frequency transform (F 1,i, F 2,i,... F j,i,... F Ni,i) of each sub-block (h 1,i,h 2,i,... h j,i,... h Ni,i) of each block of the impulse response, to obtain the estimation x ^ of the acoustic feedback signal (x); - adapting the filter, by updating the frequency transform (F 1,i, F 2,i,...F j,i,... F Ni,i) of each sub-block (h 1,i,h 2,i,...h j,i,...h Ni,i) of each block of the impulse response as a function of the output signal (u) and the input signal (e), wherein the adaptation of the filter is carried out by an update of the frequency transform calculated and adapted based on the same partition as that determined in the determination step and used in the step of applying the filter. - determining a filter, an impulse response of the filter being partitioned into a partition comprising a plurality of blocks (b 0,...b i,..., b Nb) in the time domain, each block (b 0,...b i,..., b Nb) of the plurality comprising a number of samples of the impulse response, said number of samples being equal to a size of said block, the size of a block (b 0,... b i,..., b Nb) being different from another size of at least one other block (b 0,...b i,..., b Nb), each block of the plurality of blocks (bi) comprising a number (Ni) of sub-blocks (h 1,i,h 2,i,... h j,i,... h Ni,i), the number (Ni) of sub-blocks (h 1,i,h 2,i,... h j,i,... h Ni,i) being greater than or equal to one, the determination step further comprising the following steps of: - for each sub-block (h 1,i,h 2,i,... h j,i,... h Ni,i) of each block of the impulse response, calculating a frequency transform (F 1,i, F 2,i,...F j,i,... F Ni,i) from said sub-block (h 1,i,h 2,i,... h j,i,... h Ni,i), - repeating the following steps of: - applying the filter to the output signal (u) using the frequency transform (F 1,i, F 2,i,... F j,i,... F Ni,i) of each sub-block (h 1,i,h 2,i,... h j,i,... h Ni,i) of each block of the impulse response, to obtain the estimation x ^ of the acoustic feedback signal (x); - adapting the filter, by updating the frequency transform (F 1,i, F 2,i,...F j,i,... F Ni,i) of each sub-block (h 1,i,h 2,i,...h j,i,...h Ni,i) of each block of the impulse response as a function of the output signal (u) and the input signal (e), - for each sub-block (h 1,i,h 2,i,... h j,i,... h Ni,i) of each block of the impulse response, calculating a frequency transform (F 1,i, F 2,i,...F j,i,... F Ni,i) from said sub-block (h 1,i,h 2,i,... h j,i,... h Ni,i), - repeating the following steps of: - applying the filter to the output signal (u) using the frequency transform (F 1,i, F 2,i,... F j,i,... F Ni,i) of each sub-block (h 1,i,h 2,i,... h j,i,... h Ni,i) of each block of the impulse response, to obtain the estimation x ^ of the acoustic feedback signal (x); - adapting the filter, by updating the frequency transform (F 1,i, F 2,i,...F j,i,... F Ni,i) of each sub-block (h 1,i,h 2,i,...h j,i,...h Ni,i) of each block of the impulse response as a function of the output signal (u) and the input signal (e), - applying the filter to the output signal (u) using the frequency transform (F 1,i, F 2,i,... F j,i,... F Ni,i) of each sub-block (h 1,i,h 2,i,... h j,i,... h Ni,i) of each block of the impulse response, to obtain the estimation x ^ of the acoustic feedback signal (x); - adapting the filter, by updating the frequency transform (F 1,i, F 2,i,...F j,i,... F Ni,i) of each sub-block (h 1,i,h 2,i,...h j,i,...h Ni,i) of each block of the impulse response as a function of the output signal (u) and the input signal (e),