PROBLEM TO BE SOLVED: To provide a sound source processing device for switching a plurality of systems of sound source signals each including a plurality of contents in such a manner that a content is not missed, when switching and reproducing the sound source signals, an acoustic system and a room.SOLUTION: A sound source processing device includes: a signal processing part for outputting a first sound source signal in which a plurality of unit sound source signals are arrayed while holding a silent interval therebetween, while detecting the silence interval of the first sound source signal a signal switching part for selecting and switching either a second sound source signal different from the first sound source signal or the first sound source signal outputted from the signal processing part and a control part for controlling the signal switching part so as to switch to the second sound source signal in the case where the first sound source signal is being selected by the signal switching part and the signal processing part detects a silent interval as long as or longer than a predetermined period, and for controlling the signal switching part so as to switch to the first sound source signal in the case where the second sound source signal is being selected by the signal switching part and the signal processing part detects a silent interval as long as or longer than a predetermined period.SELECTED DRAWING: Figure 6COPYRIGHT: (C)2017,JPO&INPIT【課題】各々複数のコンテンツを含む複数系統の音源信号を切り替えて再生する場合に、コンテンツの欠落が発生しないように切り替える音源処理装置、音響装置及び部屋を提供すること。【解決手段】無音区間を挟んで複数の単位音源信号が配列された第1の音源信号の無音区間を検出しつつ第1の音源信号を出力する信号処理部と、第1の音源信号と異なる第2の音源信号と信号処理部から出力される第1の音源信号とのいずれかを選択して切り替える信号切替部と、信号切替部で第1の音源信号が選択されている場合でかつ信号処理部が予め定められた期間以上の無音区間を検出した場合に、第2の音源信号に切り替えるように信号切替部を制御し、信号切替部で第2の音源信号が選択されている場合でかつ信号処理部が予め定められた期間以上の無音区間を検出した場合に、第1の音源信号に切り替えるように信号切替部を制御する制御部と、を含む。【選択図】図6
