Patent ID: 7675555

Claim:
A method of recording data to a computer readable storage medium comprising: identifying time-series information as a read/write unit serving as a unit, in which data is written onto said storage medium and read out from said storage medium, including a plurality of decoding/reproduction units; carrying out data compression on the time-series information including, generating management information in respective decoding/reproduction units of said time-series information and generating additional information for one or more decoding/reproduction units of said time-series information, said management information for use in a decoding/reproduction process for decoding and reproducing said time-series information, said additional information including a predetermined condition when said time-series information is retrieved; and recording said time-series information once compressed, said management information, and said additional information onto the computer readable storage recording medium wherein said additional information and said management information is recorded as decoding/reproduction units within a read/write unit of said storage medium, wherein said additional information is recorded logically just after said management information.