Digital broadcasting apparatus which adjusts bitrates of source data items composing additional information
A digital broadcasting apparatus includes: a bitrate storage unit for holding a bitrate set for each source data item and a total bitrate available for transmitting source data items; a transmission period storage unit for holding transmission time period of each source data item; a source data reading unit for reading each source data item to be transmitted from a source data storage unit; a rate control unit for calculating a transmission bitrate of each source data item that should be simultaneously transmitted according to predetermined equations; and a data multiplexing unit for multiplexing each source data item read by the source data reading unit into a transport stream at the transmission bitrate calculated by the rate control unit.
Matsushita Electric Industrial Co., Ltd.
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inventional inventional inventional
Akihiro Takashi Junichi Toshiya
Tanaka Kakiuchi Hirai Mori