VOICE OUTPUT DEVICE, VOICE SIGNAL OUTPUT REGULATING METHOD, AND VOICE SIGNAL OUTPUT REGULATION PROCESSING PROGRAM OR THE LIKE

摘要

A voice output device for forming a sound field according to the positional relations between respective speaker installations and a user so as to be able to eliminate the need of a complicated sound field resetting by a user (a viewer) even when the position of a center speaker is changed, comprising a center speaker installed movably, a plurality of speakers fixedly installed at locations different from that of the center speaker, a plurality of microphones provided at the speaker installation positions (excluding the center speaker installation position) or in the vicinities thereof, a center speaker position calculating means for detecting a change in center speaker installation position and calculating its installation position based on center speaker output voice signals detected by these microphones, and a voice signal output regulating means for regulating voice signal outputs from all the speakers based on the changed center speaker installation position so as to keep a pre-change sound field; a voice signal output regulating method; and a voice signal output regulation processing program.