Patent ID: 6477181
Filing Date: 2002-11-05
Classification: H04J,H04L,H04N

Abstract:
A data communication method comprising the steps of:(a) at a transmitting end, supplying a plurality of groups of data arranged in a time series, each group of data having a first period, said first period being a variable period; specifying one group of data every predetermined number of groups of data, not smaller than two, and attaching to the specified group of data time information indicative of a time position of the specified group of data; and transmitting the predetermined number of groups of data and any attached time information, together as a packet, to a communication network at a predetermined time in a predetermined second period asynchronous with said first period, and (b) at a receiving end, receiving said packet via the communication network; temporarily storing the groups of data contained in the received packet; and sequentially reading out the temporarily stored groups of data and controlling sequential readout of the temporarily stored groups of data on the basis of the time information contained in the received packet, to allow the read-out groups of data to be reproduced with a period corresponding to said first period.