| 摘要 |
PROBLEM TO BE SOLVED: To provide a synchronization control apparatus that can synchronously reproduce AC 3 coded data transferred via a USB without causing any hindrance to synchronization decision. SOLUTION: While received AC 3 coded data or 0 data are written in an FIFO buffer 23 synchronously with a bus clock, data not read yet are read from the FIFO buffer 23. When a difference between a quantity of data not read yet and synchronization point information is deviated from a permissible range, a synchronization decision section 204 controls a read rate to bring the difference within the permissible range. A synchronization point control section 205 detects top packet data of consecutive packet data arrived synchronously with the bus clock and controls the synchronization point information according to a period from the top packet data until succeeding to packet data. |
