| 摘要 |
An information playback apparatus comprises a unit which obtains a number of data units to be played back by jumping in accordance with the playback speed, a determination unit which determines whether or not an address in the table corresponding to the obtained number is valid, and a playback unit which plays back, when it is determined that the address is valid, the information based on the valid address, and when it is determined that the address is invalid, the information based on a valid address among addresses of data units to be played back at a time point closer to the current time point than a playback time point of a data unit of the invalid address.
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