| 摘要 |
PURPOSE:To eliminate the influence of a transmission line and to apply this system to the transmission system using a single information signal, by inserting plural synchronizing signals, which include signal contents short in period length at least according as the period length is extended, into a specific information signal. CONSTITUTION:An audio signal inputted to a terminal 1 of an encoder is converted by an A/D converter 4, and digital data is processed in a signal processing device 7 with an RAM8 and is sent to a D/A converter 14 through a digital volume 11 and a switch 12. In this case, three synchronizing signals S, B, and P are inserted from a synchronizing signal generator 13 to the front of each segment. Signals S, B, and P are respective start signals of a scramble pattern, block, and segment. The signal S includes components of signals B and P, and the signal B includes components of the signal P, and they include signal contents also. |
