| 摘要 |
On a transmission-side, a time information generating section generates transmission-side time information based on information about a characteristic point in a waveform of an AC voltage supplied from an AC power supply. The content processing section adds the transmission-side time information to predetermined content. The communicating section transmits, to another communicating section on a receiving end, the "content in association with the transmission-side time information". On the receiving-side, a time information generating section generates reception-side time information based on information about the characteristic point in the waveform of the AC voltage supplied from the AC power supply. A content processing section processes content, in sync with the transmission-side, based on a correlation between (i) the reception-side time information generated by the time information generating section on the receiving-side, and (ii) the transmission-side time information which is in association with the received content.
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