| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a system capable of reproducing a sound field without a sense of incompatibility in the sense of direction and being rich in presence, while matching sound fields constituted of actually collected sounds between a video image and a real space. <P>SOLUTION: A sound field switching system comprises: a plurality of sound collecting means 3 disposed at positions separated from each other while fixing the positions for collecting sounds in a real space wherein the system is disposed; a motion picture shooting means 2 moving within an area defined by positions, in a plane view, at which the plurality of sound collecting means 3 are disposed; a multi-channel acoustic signal storage means 4 for storing collected acoustic signals as a channel acoustic signal for each sound collecting means 3; a shooting position signal storage means 5; a video signal storage means 6 for storing video signals of the motion picture shot; a plurality of sound playback means 9 for playing back the stored channel acoustic signals for each corresponding channel; a video image playback means 10 for playing back the stored video signals; and a sound field switching means 8 for switching channels of acoustic signals inputted to the sound playback means 9 in accordance with a shooting position of the shot video image. <P>COPYRIGHT: (C)2009,JPO&INPIT |
