A reception device capable of switching and reproducing broadcasting type content and network type content having the same contents as the broadcasting type content, comprising: a first broadcasting reception unit configured to receive a first broadcasting type content; a second broadcasting reception unit configured to receive a second broadcasting type content having different contents from the first broadcasting type content; a network reception unit configure to receive a first network type content having the same contents as the first broadcasting type content and a second network type content having the same contents as the second broadcasting type content; a first temporal difference detection unit configured to detect a temporal difference in reproduction signal between the first broadcasting type content and the first network type content; a reproduction speed change unit configured to change reproduction speed of the first broadcasting type content to synchronize with the first network type content based on the temporal difference detected by the first temporal difference detection unit; and an output switch unit configured to switch reproduction of the first broadcasting type content to reproduction of the first network type content when the reproduction signals of the first broadcasting type content and the first network type content are synchronized with each other, characterized by a second temporal difference detection unit configured to detect a temporal difference in reproduction signal between the second broadcasting type content buffered in the background before tuning to reception of said second broadcasting type content and the second network type content while the first broadcasting type content is being reproduced; the reproduction speed change unit being further adapted to use the temporal difference in reproduction signal detected by the second temporal difference detection unit, on second broadcasting type content and second network type content, to synchronise the second broadcasting type content with the second network type content. a first broadcasting reception unit configured to receive a first broadcasting type content; a second broadcasting reception unit configured to receive a second broadcasting type content having different contents from the first broadcasting type content; a network reception unit configure to receive a first network type content having the same contents as the first broadcasting type content and a second network type content having the same contents as the second broadcasting type content; a first temporal difference detection unit configured to detect a temporal difference in reproduction signal between the first broadcasting type content and the first network type content; a reproduction speed change unit configured to change reproduction speed of the first broadcasting type content to synchronize with the first network type content based on the temporal difference detected by the first temporal difference detection unit; and an output switch unit configured to switch reproduction of the first broadcasting type content to reproduction of the first network type content when the reproduction signals of the first broadcasting type content and the first network type content are synchronized with each other, characterized by a second temporal difference detection unit configured to detect a temporal difference in reproduction signal between the second broadcasting type content buffered in the background before tuning to reception of said second broadcasting type content and the second network type content while the first broadcasting type content is being reproduced; the reproduction speed change unit being further adapted to use the temporal difference in reproduction signal detected by the second temporal difference detection unit, on second broadcasting type content and second network type content, to synchronise the second broadcasting type content with the second network type content.