VIDEO/SOUND OUTPUT DEVICE AND EXTERNAL SPEAKER CONTROL DEVICE

摘要

A television set (1) includes: an internal speaker (108) which outputs sound; a memory (101) which holds information; a remote controller receiver (102) which receives an instruction from the outside of the television set (1); a microcomputer (103) which causes, based on a mode specifying instruction for specifying a sound output mode received by the remote controller receiver (102), the memory (101) to hold any one of (a) information that indicates a first sound output mode in which sound is outputted from the internal speaker (108) and (b) information that indicates a second sound output mode in which sound is outputted from an external speaker that is a speaker outside the television set (1); and an HDMI/CEC communication unit (104) which outputs the information that indicates the sound output mode and that is held by the memory (101), to an amplifier which controls to operate or not operate the speaker outside the television set (1).