Recording and reproducing apparatus, mpeg image stream recording and reproducing apparatus and medium

Abstract

There is a PSI receipt waiting time of two seconds or so from a start of decoding of an MPEG transport stream to actual display of AV data. There are provided first means of recording for recording a predetermined signal discretely including additional information of a program; means of controlling records for having said predetermined signal recorded by first means of recording; means of controlling reproduction for having said predetermined signal reproduced from said first means of recording; means of detecting PSI for detecting program specific information (PSI) from said predetermined signal; and means of adding PSI for adding said PSI to said predetermined signal.

1 . A recording and reproducing apparatus, comprising: 
 a detector for detecting an I-frame position from a MPEG transport stream;    a recorder for recording the MPEG transport stream; and    a reproducer for reproducing the MPEG transport stream having the I-frame at its head based on the I-frame position.    
     
     
         2 . The apparatus of  claim 1  further comprising a controller for managing and storing the I-frame position information.  
     
     
         3 . The apparatus of  claim 1  wherein the recorder records the I-frame position information.  
     
     
         4 . The recording and reproducing apparatus according to  claim 1  having a random access function.  
     
     
         5 . A medium having a program and/or data for having all or part of the functions of all or part of the present invention described in  claim 1  executed by a computer, characterized by being processable by a computer.  
     
     
         6 . A recording and reproducing method, comprising steps of: 
 detecting an I-frame position from a MPEG transport stream;    recording the MPEG transport stream; and    reproducing the MPEG transport stream having the I-frame at its head based on the I-frame position.    
     
     
         7 . The method of  claim 6  further comprising step of managing and storing the I-frame position information.  
     
     
         8 . The method of  claim 6  wherein recording the I-frame position information.