A locally silenced sound field forming apparatus comprising: a first speaker array (25-1) configured to output a sound on the basis of a first speaker drive signal to form a predetermined sound field; a second speaker array (25-2) arranged at a position different from the position of the first speaker array (25-1) and configured to output a sound on the basis of a second speaker drive signal to form a sound field that cancels the predetermined sound field in a silenced area (RM11); the apparatus being characterized in that it further comprises: an acquisition unit configured to obtain information regarding the silenced area (RM11) where the sound output by the second speaker array (25-2) cancels the predetermined sound field, wherein the information regarding the silenced area comprises a first distance from the first speaker array (25-1) to the silenced area (RM11) and a second distance from the second speaker array (25-2) to the silenced area (RM11); a drive signal generation unit configured to generate the first speaker drive signal and the second speaker drive signal on the basis of the information regarding the silenced area (RM11), wherein the drive signal generation unit is configured to generate a first spatial frequency spectrum of the first speaker drive signal on the basis of the first distance and to generate a second spatial frequency spectrum of the second speaker drive signal on the basis of the second distance; a spatial frequency combining unit configured to perform spatial frequency combining on each of the first spatial frequency spectrum and the second spatial frequency spectrum so as to generate a first temporal frequency spectrum and a second temporal frequency spectrum, respectively; and a temporal frequency combining unit configured to perform temporal frequency combining on each of the first temporal frequency spectrum and the second temporal frequency spectrum so as to generate the first speaker drive signal and the second speaker drive signal, respectively. a first speaker array (25-1) configured to output a sound on the basis of a first speaker drive signal to form a predetermined sound field; a second speaker array (25-2) arranged at a position different from the position of the first speaker array (25-1) and configured to output a sound on the basis of a second speaker drive signal to form a sound field that cancels the predetermined sound field in a silenced area (RM11); an acquisition unit configured to obtain information regarding the silenced area (RM11) where the sound output by the second speaker array (25-2) cancels the predetermined sound field, wherein the information regarding the silenced area comprises a first distance from the first speaker array (25-1) to the silenced area (RM11) and a second distance from the second speaker array (25-2) to the silenced area (RM11); a drive signal generation unit configured to generate the first speaker drive signal and the second speaker drive signal on the basis of the information regarding the silenced area (RM11), wherein the drive signal generation unit is configured to generate a first spatial frequency spectrum of the first speaker drive signal on the basis of the first distance and to generate a second spatial frequency spectrum of the second speaker drive signal on the basis of the second distance; a spatial frequency combining unit configured to perform spatial frequency combining on each of the first spatial frequency spectrum and the second spatial frequency spectrum so as to generate a first temporal frequency spectrum and a second temporal frequency spectrum, respectively; and a temporal frequency combining unit configured to perform temporal frequency combining on each of the first temporal frequency spectrum and the second temporal frequency spectrum so as to generate the first speaker drive signal and the second speaker drive signal, respectively. <EOS>