| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a video/audio output device reproducing video synchronized with audio output by a plurality of wireless audio output apparatuses such as wireless headphones. <P>SOLUTION: This video/audio output device includes: a delay time detection means to transmit a reference audio signal to a plurality of wireless audio output apparatuses by wireless communication, and detect audio output delay times of the respective wireless audio output apparatuses by inputting audio output from the respective wireless audio output apparatuses thereto; an audio signal delaying means to delay respective audio signals transmitted to the respective wireless audio output apparatuses by values equivalent to difference times between the maximum delay time within audio output delay times of the respective wireless audio output apparatuses and the audio output delay times of the respective wireless audio output apparatuses; an audio signal transmission means to transmit the respective audio signals delayed by the audio signal delaying means to the respective wireless audio output apparatuses by wireless communication; and a video signal output means to output video signals synchronized with the audio signals by delaying them by a value equivalent to the maximum delay time. <P>COPYRIGHT: (C)2010,JPO&INPIT |
