A calculation unit for a sound system comprising an array (20, 20', 20") having a plurality of transducers (20a to 20j), the calculation unit comprising: input means for receiving an audio stream to be reproduced using the sound system , said audio stream having a frequency range; a processor ; and output means for controlling the sound system , wherein the processor is configured to calculate a first plurality of individual audio signals for the transducers (20a to 20j) of the array (20, 20', 20") such that a first beamforming is performed by the array (20, 20', 20"), wherein the first plurality of individual audio signals comprises a frequency range corresponding to a first portion of the frequency range of the audio stream, wherein the processor is configured to calculate a second plurality of individual audio signals for the transducers (20a to 20j) of the sound system such that a second beamforming is performed by the array (20, 20', 20"), wherein the processor is configured to filter the second plurality of individual audio signals using a second passband characteristic comprising a second portion of the frequency range of the audio stream, wherein the second portion differs from the first portion; wherein the first beamforming is performed via the first plurality of individual audio signals by using at least three audio signals such that at least three transducers (20a to 20j) are controlled; characterized in that the second portion is a subset of the first portion; wherein a direct sound suppression is performed, using the sound system , using sound cancelation by using the second beamforming such that sound is canceled towards a listening direction. input means for receiving an audio stream to be reproduced using the sound system , said audio stream having a frequency range; a processor ; and output means for controlling the sound system , wherein the processor is configured to calculate a first plurality of individual audio signals for the transducers (20a to 20j) of the array (20, 20', 20") such that a first beamforming is performed by the array (20, 20', 20"), wherein the first plurality of individual audio signals comprises a frequency range corresponding to a first portion of the frequency range of the audio stream, wherein the processor is configured to calculate a second plurality of individual audio signals for the transducers (20a to 20j) of the sound system such that a second beamforming is performed by the array (20, 20', 20"), wherein the processor is configured to filter the second plurality of individual audio signals using a second passband characteristic comprising a second portion of the frequency range of the audio stream, wherein the second portion differs from the first portion; wherein the first beamforming is performed via the first plurality of individual audio signals by using at least three audio signals such that at least three transducers (20a to 20j) are controlled; characterized in that the second portion is a subset of the first portion; wherein a direct sound suppression is performed, using the sound system , using sound cancelation by using the second beamforming such that sound is canceled towards a listening direction. <EOS>