Filter system comprising: a filter converter configured for receiving an input signal comprising information concerning a finite impulse response of a filter or a filter element in a time domain and for generating input subband filter impulse responses corresponding to subbands, which comprise filter impulse response values at filter taps; and a filter compressor (102, 501) for generating compressed subband filter impulse responses from the input subband filter impulse responses, the filter compressor comprising: a processor for examining the filter impulse response values from at least two input subband filter impulse responses to find filter impulse response values having higher values, and at least one filter impulse response value having a value being lower than the higher values; and a filter impulse response constructor for constructing the compressed subband filter impulse responses using the filter impulse response values having the higher values, wherein the compressed subband filter impulse responses do not include filter impulse response values corresponding to filter taps of the at least one filter impulse response value having the lower value; or comprise zero-valued filter impulse response values corresponding to filter taps of the at least one filter impulse response value having the lower value. a filter converter configured for receiving an input signal comprising information concerning a finite impulse response of a filter or a filter element in a time domain and for generating input subband filter impulse responses corresponding to subbands, which comprise filter impulse response values at filter taps; and a filter compressor (102, 501) for generating compressed subband filter impulse responses from the input subband filter impulse responses, the filter compressor comprising: a processor for examining the filter impulse response values from at least two input subband filter impulse responses to find filter impulse response values having higher values, and at least one filter impulse response value having a value being lower than the higher values; and a filter impulse response constructor for constructing the compressed subband filter impulse responses using the filter impulse response values having the higher values, wherein the compressed subband filter impulse responses do not include filter impulse response values corresponding to filter taps of the at least one filter impulse response value having the lower value; or comprise zero-valued filter impulse response values corresponding to filter taps of the at least one filter impulse response value having the lower value. a processor for examining the filter impulse response values from at least two input subband filter impulse responses to find filter impulse response values having higher values, and at least one filter impulse response value having a value being lower than the higher values; and a filter impulse response constructor for constructing the compressed subband filter impulse responses using the filter impulse response values having the higher values, wherein the compressed subband filter impulse responses do not include filter impulse response values corresponding to filter taps of the at least one filter impulse response value having the lower value; or comprise zero-valued filter impulse response values corresponding to filter taps of the at least one filter impulse response value having the lower value. do not include filter impulse response values corresponding to filter taps of the at least one filter impulse response value having the lower value; or comprise zero-valued filter impulse response values corresponding to filter taps of the at least one filter impulse response value having the lower value.