Patent ID: 6418140
Filing Date: 2002-07-09
Classification: H04L,H04N

Abstract:
A data multiplexing method comprising the steps of:(a) receiving and multiplexing N pieces of digital data including at least one of pictures, audio, characters and another form of data (N=natural number); (b) preparing a buffer capacity necessary for decoding the N pieces of digital data; (c) comparing the prepared buffer capacity with a predetermined capacity based on information from a decoder that decodes each the N pieces of digital data; (d) selecting M pieces of digital data out of the N pieces of digital data so that a decoded buffer capacity necessary for decoding the M pieces of digital data can be not more than the predetermined capacity (M=natural number, and 1&lE;M&lE;N); (e) multiplexing the M pieces of digital data; and (f) outputting the multiplexed digital data as a single multiplexed data.