A sound system for acoustically reproducing k electrical audio signals (where k = 2, 3, 4,...) and establishing k sound zones, in each of which zones at an ear position one of k reception sound signals occurs that is an individual pattern of the reproduced and transmitted k electrical audio signals, the system comprising: a signal processing arrangement that is configured to process the k electrical audio signals to provide k processed electrical audio signals; and k loudspeakers that are arranged at positions separate from each other and within or adjacent to the k sound zones, each configured to convert the k processed electrical audio signals into corresponding k acoustic audio signals; where each of the k acoustic audio signals is transferred according to a transfer matrix from each of the k loudspeakers to each ear position in each of the k sound zones, where they contribute to the corresponding reception sound signals; processing of the k electrical audio signals, which provides k processed electrical audio signals, comprises inverse filtering according to three filter matrices, one of which is an i×i filter matrix, one is a j×j filter matrix and one is a k×k filter matrix, in which i, j < k; the i×i matrix is configured to digitally process a share of the k electrical audio signals in a first frequency range and at a first sampling rate, the j×j filter matrix is configured to digitally process a share of the k electrical audio signals, which is different from the share processed by the ixi matrix, in a second frequency range and at a second sampling rate, and the k×k filter matrix is configured to digitally process all k electrical audio signals in a third frequency range and at a third sampling rate, the third sampling rate being the lowest of the three sampling rates and an upper frequency limit of the third frequency range being lower than upper frequency limits of the first frequency range and the second frequency range; and the processed signals of the k×k filter matrix are each added with the corresponding processed signals of the i×i matrix and the j×j filter matrix to provide the signals reproduced by the k loudspeakers, wherein the three filter matrices are configured to compensate for the transfer matrix so that each of the reception sound signals corresponds to one of the electrical audio signals. a signal processing arrangement that is configured to process the k electrical audio signals to provide k processed electrical audio signals; and k loudspeakers that are arranged at positions separate from each other and within or adjacent to the k sound zones, each configured to convert the k processed electrical audio signals into corresponding k acoustic audio signals; where each of the k acoustic audio signals is transferred according to a transfer matrix from each of the k loudspeakers to each ear position in each of the k sound zones, where they contribute to the corresponding reception sound signals; processing of the k electrical audio signals, which provides k processed electrical audio signals, comprises inverse filtering according to three filter matrices, one of which is an i×i filter matrix, one is a j×j filter matrix and one is a k×k filter matrix, in which i, j < k; the i×i matrix is configured to digitally process a share of the k electrical audio signals in a first frequency range and at a first sampling rate, the j×j filter matrix is configured to digitally process a share of the k electrical audio signals, which is different from the share processed by the ixi matrix, in a second frequency range and at a second sampling rate, and the k×k filter matrix is configured to digitally process all k electrical audio signals in a third frequency range and at a third sampling rate, the third sampling rate being the lowest of the three sampling rates and an upper frequency limit of the third frequency range being lower than upper frequency limits of the first frequency range and the second frequency range; and the processed signals of the k×k filter matrix are each added with the corresponding processed signals of the i×i matrix and the j×j filter matrix to provide the signals reproduced by the k loudspeakers, wherein the three filter matrices are configured to compensate for the transfer matrix so that each of the reception sound signals corresponds to one of the electrical audio signals.