Source: http://www.google.com/patents/US7623758?dq=5726663
Timestamp: 2017-11-24 05:58:15
Document Index: 481857929

Matched Legal Cases: ['§ 119', 'Application No. 35401', 'Application No. 2004', 'Application No. 2006', 'Application No. 2004', 'Application No. 2004', 'Application No. 03761863']

Patent US7623758 - Method and apparatus of recording a multi-channel stream, and a recording ... - Google Patents
The present invention relates to method and apparatus of recording a multi-channel data stream on a recording medium in such a manner that substreams of digital channels constituting the multi-channel data stream can be distinguished each other in reproduction. The present recording method separates...http://www.google.com/patents/US7623758?utm_source=gb-gplus-sharePatent US7623758 - Method and apparatus of recording a multi-channel stream, and a recording medium containing a multi-channel stream recorded by said method
Publication number US7623758 B2
Application number US 10/176,364
Also published as CN1221968C, CN1393873A, CN1551218A, CN100562120C, EP1271524A2, EP1271524A3, EP1469475A1, US7643725, US20020196361, US20040179828
Publication number 10176364, 176364, US 7623758 B2, US 7623758B2, US-B2-7623758, US7623758 B2, US7623758B2
Patent Citations (106), Non-Patent Citations (16), Referenced by (2), Classifications (49), Legal Events (3)
Method and apparatus of recording a multi-channel stream, and a recording medium containing a multi-channel stream recorded by said method
US 7623758 B2
The present invention relates to method and apparatus of recording a multi-channel data stream on a recording medium in such a manner that substreams of digital channels constituting the multi-channel data stream can be distinguished each other in reproduction. The present recording method separates a multi-channel stream composed of substreams belonging to a plurality of channels into individual substreams, records the individual substreams separately by channel in plural stream objects allocated in a recording medium, creates a piece of search information every a substream contained in the recorded multi-channel stream, and records the created plural pieces of search information on the recording medium. The present method makes it possible to selectively search and reproduce each substream among a multi-channel stream recorded on a recording medium, thereby improving use convenience of a recording machine such as a digital video recorder.
1. A recording medium having a data structure for managing reproduction of at least video data representing multiple reproduction paths, the recording medium comprising:
a data area storing a transport stream of at least video data, the transport stream being divided into transport packets; and
a navigation area storing at least a first navigation data item and a second navigation data item, and the navigation area storing a plurality of files, each file including a map identifying transport packets associated with one of the reproduction paths, each map providing relation information between presentation time and transport packets of the associated reproduction path and not including video data, the first navigation data item referencing more than one map for reproducing transport packets associated with multiple reproduction paths and not including video data, the second navigation data item referencing a single map for reproducing transport packets associated with a single reproduction path and not including video data,
wherein the first navigation data item indicates multiple files of the plurality of files, and wherein the second navigation data item indicates a single file of the plurality of files.
2. The recording medium of claim 1, wherein the first navigation data item includes an indicator indicating that the first navigation data item provides navigation information for multiple reproduction paths.
3. The recording medium of claim 2, wherein the second navigation data item includes an indicator indicating that the second navigation data item provides navigation information for the single reproduction path.
4. The recording medium of claim 1, wherein the first navigation data item includes an indicator indicating a number of the reproduction paths.
5. The recording medium of claim 1, wherein the navigation area includes a navigation list, the navigation list including at least the navigation data item.
6. The recording medium of claim 1, wherein each reproduction path represents a digital channel.
7. The recording medium of claim 1, wherein the transport packets of each reproduction path area interleaved with one another.
8. A method of recording a data structure for managing reproduction of at least video data representing multiple reproduction paths, the method comprising:
recording a transport stream of at least video data on a recording medium, the transport stream being divided into transport packets;
recording at least a first navigation data item and a second navigation data item; and
recording a plurality of files, each file including a map identifying transport packets associated with one of the reproduction paths, each map providing relation information between presentation time and transport packets of the associated reproduction path and not including video data, the first navigation data item referencing more than one map for reproducing transport packets associated with multiple reproduction paths and not including video data, the second navigation data item referencing a single map for reproducing transport packets associated with a single reproduction path and not including video data,
9. The method of claim 8, wherein the first navigation data item includes an indicator indicating that the first navigation data item provides navigation information for multiple reproduction paths.
10. The method of claim 8, wherein the first navigation data item includes an indicator indicating a number of the reproduction paths.
11. A method of reproducing at least video data representing multiple reproduction paths, the method comprising:
reproducing at least a first navigation data item and a second navigation data item from a navigation area of a recording medium;
reproducing a plurality of files, each file including a map identifying transport packets associated with one of the reproduction paths, each map providing relation information between presentation time and transport packets of the associated reproduction path and not including video data, the first navigation data item referencing more than one map for reproducing transport packets associated with multiple reproduction paths and not including video data, the second navigation data item referencing a single map for reproducing transport packets associated with a single reproduction path and not including video data, wherein the first navigation data item indicates multiple files of the plurality of files, and wherein the second navigation data item indicates a single file of the plurality of files; and
reproducing a transport stream of at least video data from the recording medium according to the navigation data item and the separate file, the transport stream being divided into transport packets.
12. The method of claim 11, wherein the first navigation data item includes an indicator indicating that the first navigation data item provides navigation information for multiple reproduction paths.
13. The method of claim 11, wherein the first navigation data item includes an indicator indicating a number of the reproduction paths.
14. An apparatus for recording a data structure for managing reproduction of at least video data representing multiple reproduction paths, the apparatus comprising:
a recording unit being configured to record data on a recording medium; and
a controller, operably coupled to the recording unit, being configured to control the recording unit to record a transport stream of at least video data on a data area of the recording medium, the transport stream being divided into transport packets, the controller being configured to further control the recording unit to record at least a first navigation data item and a second navigation data item on a navigation area of the recording medium, and the controller being configured to further control the recording unit to record a plurality of files, each file including a map identifying transport packets associated with one of the reproduction paths, each map providing relation information between presentation time and transport packets of the associated reproduction path and not including video data, the first navigation data item referencing more than one map for reproducing transport packets associated with multiple reproduction paths and not including video data, the second navigation data item referencing a single map for reproducing transport packets associated with a single reproduction path and not including video data,
15. The apparatus of claim 14, wherein the controller is configured to further control the recording unit to record an indicator on the navigation area of the recording medium, the indicator indicating that the first navigation data item provides navigation information for multiple reproduction paths.
16. The apparatus of claim 14, wherein the controller is configured to further control the recording unit to record an indicator on the navigation area of the recording medium, the indicator indicating a number of the reproduction paths.
17. An apparatus for reproducing at least video data representing multiple reproduction paths, the apparatus comprising:
a reproducing unit being configured to reproduce data recorded on a recording medium; and
a controller, operably coupled to the reproducing unit, being configured to control the reproducing unit to reproduce at least a first navigation data item and a second navigation data item from a navigation area of the recording medium, and the controller being configured to further control the reproducing unit to reproduce a plurality of files, each file including a map identifying transport packets associated with one of the reproduction paths, each map providing relation information between presentation time and transport packets of the associated reproduction path and not including video data, the first navigation data item referencing more than one map for reproducing transport packets associated with multiple reproduction paths and not including video data, the second navigation data item referencing a single map for reproducing transport packets associated with a single reproduction path and not including video data, wherein the first navigation data item indicates multiple files of the plurality of files, and wherein the second navigation data item indicates a single file of the plurality of files, and the controller being configured to further control the reproducing unit to reproduce a transport stream of at least video data from a data area of the recording medium according to the navigation data items and the separate files, the transport stream being divided into the transport packets.
18. The apparatus of claim 17, wherein the controller is configured to further control the reproducing unit to reproduce an indicator from the navigation area of the recording medium, the indicator indicating that the first navigation data item provides navigation information for multiple reproduction paths.
19. The apparatus of claim 17, wherein the controller is configured to further control the reproducing unit to reproduce an indicator from the navigation area of the recording medium, the indicator indicating a number of the reproduction paths.
20. The apparatus of claim 17, wherein the reproducing unit includes a pickup unit.
Pursuant to 35 U.S.C. § 119(a), this application claims the benefit of earlier filing date and right of priority to Korean Application No. 35401/2001, filed on Jun. 21, 2001, the contents of which are hereby incorporated by reference herein in their entirety.
A method of recording a multi-channel on a recording medium in accordance with the present invention is characterized in that it comprises the steps of: separating a multi-channel stream composed of substreams belonging to a plurality of channels into individual substreams and recording the individual substreams separately in plural stream objects allocated in a recording medium; and creating search information every a substream contained in the multi-channel stream recorded in the plural stream objects and recording the created search information on the recording medium.
An apparatus of recording a multi-channel on a recording medium in accordance with the present invention is characterized in that it comprises: a data receiver receiving at least one RF channel of a digital broadcast signal to output a multi-channel stream composed of substreams belonging to selected plural sub-channels; and a recording means separating the multi-channel stream into individual substreams, recording the individual substreams separately in plural stream objects allocated in a recording medium, creating search information every a substream contained in the multi-channel stream distributed into the plural stream objects by sub-channel, and recording the created search information on the recording medium.
FIG. 3 illustrates the first embodiment of creating navigation data for substreams of a plurality of digital channels recorded in plural high-density stream object units in accordance with the present invention;
FIG. 6 illustrates the second embodiment of creating navigation data for substreams of a plurality of digital channels recorded in plural high-density stream object units in accordance with the present invention; and
FIG. 7 illustrates the third embodiment of creating navigation data for substreams of a plurality of digital channels recorded in plural high-density stream object units in accordance with the present invention.
The tuner 10 passes one digital broadcast TV channel, namely, an RF channel selected by the controller 14. The stream selector 11 extracts transport packets (TPs) belonging to several, e.g., 2 digital channels selected through the controller 14 from a multi-channel stream of the RF channel passed by the tuner 10. The extracted series of TPs by the stream selector 11 is outputted in the form of single stream 201 or mutually-separated streams 202 1, and 202 2, as illustrated in FIG. 2.
The HOBI, linked with the CI through the field ‘HOBI_SRPN’ included in each piece of CI, comprises HOBI general information ‘HOBI_GI’, a plurality of PTMAP search pointers ‘PTMAP_SRP #1 to #n’. and plural pieces of PTMAP information ‘PTMAPI #1 to #n’, as shown in FIG. 5.
The HOBI general information ‘HOBI_GI’ consists of many fields of HOB type ‘HOB_TY’ , HOB recording time ‘HOB_REC_TM’, start PTM of a HOB, end PTM of a HOB, the number of PTMAPs ‘PTMAP_Ns’, and start addresses of all PTMAPs ‘PTMAP_SA #i’.
The PTMAPI includes PTMAP general information ‘PTMAP_GI’ and entries of random accessible HOB units (HOBUs) ‘HOBU_ENT #1 to #j’. The PTMAP general information ‘PTMAP_GI’ is composed of fields of video ‘V_PID’ and audio packet ID ‘A_PID’, indicative of respective PIDs of audio and video TPs constituting a recorded stream associated with a PTMAP, HOBI index number ‘HOBI_STIN’, the number of random accessible HOBUs ‘HOBU_ENT_Ns’, start PTM of a PTMAP ‘PTMAP_S_PTM’. and end PTM of a PTMAP ‘PTMAP_E_PTM’.
US6385394 * Nov 17, 2000 May 7, 2002 Matsushita Electric Industrial Co., Ltd. Information recording medium, apparatus and method for recording or reproducing data thereof
WO2000042515A1 * Oct 14, 1999 Jul 20, 2000 Fujitsu Limited Access control device and method for controlling access to recording medium
6 Japanese Office Action for corresponding Japanese Application No. 2004-551246 dated May 20, 2008.
7 Japanese Office Action for corresponding Japanese Application No. 2006-196199 dated Apr. 22, 2008 with English translation.
8 Office Action for corresponding Japanese application dated Jan. 13, 2006.
9 Office Action for corresponding Japanese application dated Jan. 2, 2008.
10 Office Action for corresponding Japanese application dated Jun. 10, 2004.
11 Office Action for corresponding Japanese Application No. 2004-517368 dated May 7, 2008.
12 Office Action for corresponding Japanese Application No. 2004-517390 dated May 7, 2008.
13 Search Report for corresponding European Application No. 03761863.4 dated Mar. 25, 2008.
14 U.S. Office Action issued Jul. 25, 2008.
15 United States Office Action dated Jan. 2, 2008.
16 United States Office Action dated Jan. 28, 2008.
U.S. Classification 386/248, 386/330, 386/334
International Classification H04N7/24, H04N5/00, H04N21/4402, H04N21/433, H04N21/434, H04N21/426, H04N21/2365, G11B27/10, G11B27/30, H04N9/804, H04N5/92, G11B27/00, H04N5/91, G11B27/034, H04N5/85, G11B20/12, G11B20/10, G11B27/32
Cooperative Classification G11B27/105, G11B27/3027, H04N21/2365, H04N21/4347, G11B2220/2562, H04N21/440209, G11B2220/2579, H04N5/85, H04N21/4334, G11B27/034, H04N9/8042, G11B2220/218, G11B27/329, G11B2220/216, G11B2220/20, H04N21/42646, H04N21/434
European Classification H04N21/4402D, H04N21/433R, H04N21/426D, H04N21/434V, H04N21/2365, H04N21/434, H04N9/804B, G11B27/10A1, G11B27/034, G11B27/30C, G11B27/32D2
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CHO, JANG HUI;YOO, JEA YONG;SEO, KANG SOO;AND OTHERS;REEL/FRAME:019651/0242