| 摘要 |
PROBLEM TO BE SOLVED: To surely protect the copyrights of audio and video content data. SOLUTION: A disk player 100 of a transmitter is connected to a recorder 200 of a receiver via two serial interfaces 188-1 and 188-2 or the like of IEEE 1394 standards to form a predetermined data stream including a pack of at least either, for example, audio data or video data, storing at least a downsampling flag, a downmix flag or a dequantizing flag in a predetermined area in the data stream, which is converted into a packet corresponding to a serial interface of the IEEE 1394 standards, and transmitted via the serial interface. COPYRIGHT: (C)2007,JPO&INPIT
|
