DATA PACKET CONVERSION METHOD

摘要

PROBLEM TO BE SOLVED: To attain joint use of contents of analog data broadcasting and contents of digital data broadcasting considered in general to be separate contents so as to reduce the entire cost for the production of the data broadcast contents. SOLUTION: The data packet conversion method converts a data broadcast signal transmitted by a VBI (vertical blanking interval) or an ASC (audio subcarrier system) of an analog television broadcast program into a signal to be transmitted by a digital television broadcast, connecting a conventional analog broadcast data broadcast production facility to a digital broadcast transmission facility with the use of the method can continues the same data broadcast service by using a digital ground wave while continuously operating the conventional organization/production system.