Information record medium, apparatus for recording the same and apparatus for reproducing the same

Abstract

An information recording apparatus (SSI) is provided with: a signal process device ( 72 ) for applying a predetermined signal process to a plurality of partial record information blocks constructing whole record information (R) to thereby generate processed partial record information blocks (Sr) each composed of a plurality of predetermined information units (IU), and for generating and outputting recording position information (Sac), which is to be recorded by each of predetermined reproduction units (VOBU) composing the information units, for respective one of the reproduction units. The recording position information indicates recording positions of the reproduction units corresponding to reproduction times of the partial record information blocks within a predetermined range before and after the respective one of the reproduction units on an axis of reproduction time of each of the partial record information blocks. The information recording apparatus is also provided with; a multiplex device ( 75, 76 ) for multiplexing the processed partial record information blocks and the recording position information by each of the reproduction units to thereby output multiplexed partial record information (Sap); and a record device ( 77, 78 ) for recording the multiplexed partial record information onto the information record medium.

1. An information recording apparatus comprising:
 signal processing means for applying a predetermined signal processing to record information that includes a plurality of partial record information blocks, and for generating a plurality of processed partial record information blocks each of which includes a plurality of information units, each information unit including one or a plurality of reproduction units;   navigation information generating means for generating navigation information including recording position information indicating recording positions of a plurality of other reproduction units that belong to the same processed partial record information block, corresponding to a predetermined reproduction time of the partial record information blocks within a predetermined range before and after a respective one of the reproduction units on an axis of reproduction time of each of the partial record information blocks, wherein each partial record information block includes the corresponding navigation information;   multiplexing means for multiplexing the plurality of processed partial record information blocks and the navigation information so that each reproduction unit includes the navigation information, thereby obtaining multiplexed partial record information; and   recording means for recording the multiplexed partial record information onto an information recording medium.   
     
     
       2. The information recording apparatus according to  claim 1 , wherein:
 the record information includes at least video information,   the partial record information blocks are to be reproduced at the same reproduction time on the axis of reproduction time, and   each of the partial record information blocks comprises the video information of the same object taken from different viewpoints.   
     
     
       3. The information recording apparatus according to  claim 1 , wherein the partial record information blocks are to be reproduced by information reproducing apparatuses having different setting modes. 
     
     
       4. An information recording medium to be reproduced by a reproducing apparatus, the information recording medium comprising:
 a plurality of processed partial record information blocks generated by applying a predetermined signal processing to record information including a plurality of partial record information blocks, each processed partial record information block including a plurality of information units;   a plurality of reproduction units, each information unit comprising one or more of the reproduction units; and   navigation information included in each of the corresponding reproduction units, the navigation information including recording position information indicating recording positions of a plurality of other reproduction units that belong to the same processed partial record information block, corresponding to a predetermined reproduction time of the partial record information blocks within a predetermined range before and after a respective one of the reproduction units on an axis of reproduction time of each of the partial record information blocks.   
     
     
       5. The information recording medium according to  claim 4 , wherein:
 the record information includes at least video information,   the partial record information blocks are to be reproduced at the same reproduction time on the axis of reproduction time, and   each of the partial record information blocks comprises the video information regarding the same object taken from different viewpoints.   
     
     
       6. The information recording medium according to  claim 4 , wherein the partial record information blocks are to be reproduced by information reproducing apparatuses having different setting modes. 
     
     
       7. An information reproducing apparatus for reproducing information recorded on an information recording medium comprising:
 a plurality of processed partial record information blocks generated by applying a predetermined signal processing to record information including a plurality of partial record information blocks, each processed partial record information block including a plurality of information units;   a plurality of reproduction units, each information unit comprising one or more of the reproduction units; and   navigation information included in each of the corresponding reproduction units, the navigation information including recording position information indicating recording positions of a plurality of other reproduction units that belong to the same processed partial record information block, corresponding to a predetermined reproduction time of the partial record information blocks within a predetermined range before and after a respective one of the reproduction units on an axis of reproduction time of each of the partial record information blocks,   the information reproducing apparatus comprising:
 detection and demodulation means for detecting and demodulating information recorded on the recording medium to thereby obtain a demodulation signal; 
 extracting means for extracting the recording position information out of the demodulation signal; and 
 control means for controlling reproduction of information on a basis of the extracted recording position information. 
   
     
     
       8. The information reproducing apparatus according to  claim 7 , wherein:
 the record information includes at least video information,   the partial record information blocks are to be reproduced at the same reproduction time on the axis of reproduction time, and   each of the partial record information blocks comprises the video information regarding the same object taken from different viewpoints.   
     
     
       9. The information reproducing apparatus according to  claim 7 , wherein the partial record information blocks are to be reproduced by information reproducing apparatuses having different setting modes. 
     
     
       10. The information reproducing apparatus according to  claim 7 , further comprising input means for instructing a scan operation at a faster speed than during a normal reproduction,
 wherein the control means controls the scan operation on the basis of the extracted recording position information.   
     
     
       11. The information reproducing apparatus according to  claim 7 , further comprising input means for instructing a time search operation to perform reproduction at a specific address,
 wherein the control means controls the time search operation on the basis of the extracted recording position information.   
     
     
       12. An information recording medium to be reproduced by a reproducing apparatus, comprising:
 a plurality of information blocks, each of which includes a plurality of interleaved units;   a plurality of object units, each interleaved unit comprising one or more of the object units; and   navigation information included in each of the corresponding object units and positioned at a forefront of each of the object units, wherein the navigation information includes recording position information indicating recording positions of a plurality of other object units that belong to the same information block within a predetermined range before and after an object unit in which the recording position information is included on an axis of reproduction time of an information block to which the object unit belongs.   
     
     
       13. The information recording medium according to  claim 12 , wherein:
 the record information includes at least video information,   the information blocks are to be reproduced at the same reproduction time on the axis of reproduction time, and   each of the information blocks comprises the video information regarding the same object taken from different viewpoints.   
     
     
       14. The information recording medium according to  claim 12 , wherein the information blocks are to be reproduced by information reproducing apparatuses having different setting modes. 
     
     
       15. An information reproducing apparatus for reproducing information recorded on an information recording medium comprising:
 a plurality of information blocks, each of which includes a plurality of interleaved units;   a plurality of object units, each interleaved unit comprising one or more of the object units; and   navigation information included in each of the corresponding object units and positioned at a forefront of each of the object units, the navigation information including recording position information indicating recording positions of a plurality of other object units that belong to the same information block within a predetermined range before and after an object unit in which the recording position information is included on an axis of reproduction time of an information block to which the object unit belongs, the information reproducing apparatus comprising:
 detection and demodulation means for detecting and demodulating information recorded on the recording medium to obtain a demodulation signal; 
 extracting means for extracting the recording position information out of the demodulation signal; and 
 control means for controlling reproduction of information on the basis of the extracted recording position information. 
   
     
     
       16. The information reproducing apparatus according to  claim 15 , wherein:
 the record information includes at least video information,   the information blocks are to be reproduced at the same reproduction time on the axis of reproduction time, and   each of the information blocks comprises the video information regarding the same object taken from different viewpoints.   
     
     
       17. The information reproducing apparatus according to  claim 15 , wherein the information blocks are to be reproduced by information reproducing apparatuses having different setting modes. 
     
     
       18. The information reproducing apparatus according to  claim 15 , further comprising input means for instructing scan operation at a faster speed than during a normal reproduction,
 wherein the control means controls the scan operation on the basis of the extracted recording position information.   
     
     
       19. The information reproducing apparatus according to  claim 15 , further comprising input means for instructing time search operation to perform reproduction at a specific address,
 wherein the control means controls the time search operation on the basis of the extracted recording position information.   
     
     
       20. An information recording apparatus comprising:
 a signal processor which applies signal processing to a plurality of information blocks, each of which includes a plurality of interleaved units, and which generates a plurality of object units, each interleaved unit comprising one or more of the object units;   navigation information generator which generates navigation information included in each of the corresponding object units and positioned at a forefront of each of the object units, wherein the navigation information includes seamless information indicating a recording position of data for seamless reproduction of interleaved units;   multiplexer which multiplexes the plurality of the information blocks and the navigation information so that each object unit includes the navigation information; and   a recording device which records the object units onto an information recording medium,   wherein the object units include at least video information, and the information blocks are to be reproduced at the same reproduction time on the axis of reproduction.   
     
     
       21. The information recording apparatus according to claim 20, wherein the navigation information includes angle jump information indicating a recording position of each interleaved unit which is to be reproduced at a time of switching angles. 
     
     
       22. The information recording apparatus according to claim 21, wherein each of the information blocks comprises the video information regarding the same object taken from different viewpoints. 
     
     
       23. An information reproducing apparatus for reproducing information recorded on an information recording medium comprising:
 record information that includes a plurality of information blocks, each of which includes a plurality of interleaved units;   a plurality of object units, each interleaved unit comprising one or more of the object units; and   navigation information included in each of the corresponding object units and positioned at a forefront of each of the object units, wherein the navigation information includes seamless information indicating a recording position of data for seamless reproduction of interleaved units,   wherein the record information includes at least video information, and the information blocks are to be reproduced at the same reproduction time on the axis of reproduction.   
     
     
       24. The information reproducing apparatus according to claim 23, wherein the navigation information includes angle jump information indicating a recording position of each interleaved unit which is to be reproduced at a time of switching angles. 
     
     
       25. The information reproducing apparatus according to claim 24, wherein each of the information blocks comprises the video information regarding the same object taken from different viewpoints. 
     
     
       26. An information recording method comprising:
 applying signal processing to a plurality of information blocks, each of which includes a plurality of interleaved units;   generating a plurality of object units, each interleaved unit comprising one or more of the object units;   generating navigation information included in each of the corresponding object units and positioned at a forefront of each of the object units, wherein the navigation information includes seamless information indicating a recording position of data for seamless reproduction of interleaved units;   multiplexing the plurality of the information blocks and the navigation information so that each object unit includes the navigation information; and   recording the object units onto an information recording medium,   wherein the object units include at least video information, and the information blocks are to be reproduced at the same reproduction time on the axis of reproduction.   
     
     
       27. The information recording method according to claim 26, wherein the navigation information includes angle jump information indicating a recording position of each interleaved unit which is to be reproduced at a time of switching angles. 
     
     
       28. The information recording method according to claim 27, wherein each of the information blocks comprises the video information regarding the same object taken from different viewpoints. 
     
     
       29. The information reproducing apparatus of claim 23 further comprising:
 a demodulator which demodulates information recorded on the recording medium to obtain a demodulation signal;   an extracting circuit which extracts the recording position information out of the demodulation signal; and   a controller which controls reproduction of information based on the extracted recording position information.