| 摘要 |
A videoconference allowing an realistic videoconference without the need for increasing the header information and regardless of compression/expansion system is disclosed. A transmitting terminal simultaneously and periodically embeds a marking signal to each of the image and voice signals corresponding to each other. After compressing and multiplexing each of the marked image and voice signals, they are transmitted to the other party. The receiving terminal expands the received image and voice signals and detects an arrival time difference based on marking signals detected from the received image and voice signals. Depending on the arrival time difference, timings of the received image and voice are adjusted.
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