EP0675493A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Method of recording/reproducing optical disk by sector link data including address information of unit data or a program related to sectors, disk including the sector link data, and apparatus for and method of reproducing the disk
Assignee: Toshiba Corp
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Filing: 1995-03-28
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Granted: —
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Expires: 2015-03-28
Abstract
Abstract An optical disk on which data are recorded with variable length DUT taken as a unit, the DUT being composed of a DUT header (102), sub video data (103), audio data (104), and main video data (105) on a logical format and of a plurality of sectors (106) on a physical format, each sector including as SLD (204) (sector link data) a control area head sector number (205), an identification flag (206), a BOOK number (207), a story number (208), a program number (209), DUT identification (210), a next program head sector number (211), a previous program head sector number (213), a next DUT head sector number (214), a present DUT head sector number (215), and a previous DUT head sector number (216), all recorded thereon. Accordingly, there is eliminated a memory for storing a control table from the reproduction apparatus.
Inventors
- 👤 Masaki C/O Intellectual Prop. Div. Nakagawa
- 👤 Hideki C/O Intellectual Prop. Division Mimura
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 09:38
CPC Classifications
G; G11; G11B; G11B20/00; G11B20/10; G11B27/00; G11B27/02; G11B27/031; G11B27/034; G11B20/12; G11B27/10; G11B27/102; G11B27/105; G11B27/11; G11B27/19; G11B27/28; G11B27/30; G11B27/3027; H; H04; H04N; H04N5/00; H04N5/76; H04N5/91; H04N5/92; H04N5/926; H04N5/9261; G11B2220/00; G11B2220/20; G11B2220/25; G11B2220/2537; G11B2220/2562; G11B2220/60; G11B2220/65; H04N5/84; H04N5/85; H04N5/93
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
93 words
A method of recording/reproducing video data or audio data comprising the steps of; recording a plurality of unit data each composed of a plurality of sectors such that these unit data constitute a series of programs, said each sector including sector link data and real data, said sector link data including address information of unit data or a program related to each sector, and said real data including video data or audio data; and accessing a second sector using the address information of the unit data or program recorded on a first sector.
Claim 2
Dependent Claim
27 words
The method according to claim 1, wherein the unit data or program related to each sector includes address information of a head sector of a next program.
Claim 3
Dependent Claim
39 words
The method according to claim 2, wherein a program terminator code is inserted as the address information of the head sector of the next program in the case of a final program which does not have a next program.
Claim 4
Dependent Claim
33 words
The method according to claim 1, wherein the unit data or program related to each sector includes the address information of a header sector of the unit data to which said sector belongs.
Claim 5
Dependent Claim
28 words
The method according to claim 1, wherein the unit data or program related to each sector includes the address information of a head sector of previous unit data.
Claim 6
Dependent Claim
28 words
The method according to claim 1, wherein the unit data or program related to each sector includes the address information of a head sector of next unit data.
Claim 7
Dependent Claim
28 words
The method according to claim 1, wherein the unit data or program related to each sector includes the address information of a head sector of a present program.
Claim 8
Dependent Claim
28 words
The method according to claim 1, wherein the unit data or program related to each sector includes the address information of a head sector of a previous program.
Claim 9
Dependent Claim
28 words
The method according to claim 1, wherein the sector link data further includes information indicative of the type of data of a sector itself on a logical format.
Claim 10
Dependent Claim
58 words
The method according to claim 1, wherein the method further comprises the step of recording a control area at least composed of a reproduction order of said programs and address information of a head sector of said each program, and wherein the sector link data further includes the address information of the head sector in said control area.
Claim 11
Dependent Claim
62 words
A disk comprising: sector link data including address information of unit data or a program related to each sector, each unit data composed of a plurality of the sectors, and a plurality of the unit data constituting a series of programs, and real data including video data or audio data whose signal length is defined on the basis of predetermined reproduction time.
Claim 12
Dependent Claim
27 words
The disk according to claim 11, wherein the unit data or program related to each sector includes address information of a head sector of a next program.
Claim 13
Dependent Claim
39 words
The disk according to claim 12, wherein a program terminator code is inserted as the address information of the head sector of the next program in the case of a final program which does not have a next program.
Claim 14
Dependent Claim
33 words
The disk according to claim 11, wherein the unit data or program related to each sector includes the address information of a header sector of the unit data to which said sector belongs.
Claim 15
Dependent Claim
28 words
The disk according to claim 11, wherein the unit data or program related to each sector includes the address information of a head sector of previous unit data.
Claim 16
Dependent Claim
28 words
The disk according to claim 11, wherein the unit data or program related to each sector includes the address information of a head sector of next unit data.
Claim 17
Dependent Claim
28 words
The disk according to claim 11, wherein the unit data or program related to each sector includes the address information of a head sector of a present program.
Claim 18
Dependent Claim
28 words
The disk according to claim 11, wherein the unit data or program related to each sector includes the address information of a head sector of a previous program.
Claim 19
Dependent Claim
28 words
The disk according to claim 11, wherein the sector link data further includes information indicative of the type of data of a sector itself on a logical format.
Claim 20
Dependent Claim
54 words
The disk according to claim 11, wherein the disk further comprises a control area at least composed of a reproduction order of said programs and address information of a head sector of said each program, and wherein the sector link data further includes the address information of the head sector of said control area.
Claim 21
Dependent Claim
136 words
A reproduction apparatus for reproducing a disk on which a plurality of unit data each composed of a plurality of sectors are recorded such that these unit data constitute a series of programs, said each sector including sector link data and real data, said sector link data including address information of unit data or a program related to each sector, said real data including video data or audio data, and real data including video data or audio data whose signal length is defined on the basis of predetermined reproduction time, the apparatus comprising: extraction means for extracting address information of a head sector of the next program recorded on said sector; and control means for controlling the operation using the address information extracted by said extraction means such that said plurality of programs are continuously reproduced.
Claim 22
Dependent Claim
204 words
A reproduction apparatus for reproducing a disk on which a plurality of unit data each composed of a plurality of sectors are recorded such that these unit data constitute a series of programs, said each sector including sector link data and real data, said sector link data including address information of a header sector of a next program as address information of unit data or a program related to each sector, said real data including video data or audio data, and real data including video data or audio data whose signal length is defined on the basis of predetermined reproduction time, the apparatus comprising: input means for accepting a switching request of switching the operation to unit or program reproduction after arbitrary time T; calculation means for calculating a head sector of the program after said time T; and control means for controlling the operation such that a head sector calculated by said calculation means is retrieved through a track jump, and when said head sector is retrieved, address information of a head sector of unit data recorded on said sector is read, and further on the basis of the address information a reproduction is executed from a head sector of said unit data.
Claim 23
Dependent Claim
129 words
A reproduction method for reproducing a disk on which a plurality of unit data each composed of a plurality of sectors are recorded such that these unit data constitute a series of programs, said each sector including sector link data and real data, said sector link data including address information of unit data or a program related to each sector, said real data including video data or audio data, and real data including video data or audio data whose signal length is defined on the basis of predetermined reproduction time, the method comprising the steps of: extracting address information of a head sector of the next program recorded on said sector; and controlling the operation using the extracted address information such that said plurality of programs are continuously reproduced.
Claim 24
Dependent Claim
198 words
A reproduction method for reproducing a disk on which a plurality of unit data each composed of a plurality of sectors are recorded such that these unit data constitute a series of programs, said each sector recorded sector link data and real data, said sector link data including address information of a header sector of a next program as address information of unit data or a program related to each sector, said real data including video data or audio data, and real data including video data or audio data whose signal length is defined on the basis of predetermined reproduction time, the method comprising the steps of: accepting a switching request of switching the operation to unit or program reproduction after arbitrary time T; searching a head sector of the program after said time T; and controlling the operation such that the head sector calculated by said calculation means is retrieved through a track jump, and when said head sector is retrieved, address information of a head sector of unit data recorded on the sector is read, and further on the basis of the address information the reproduction is executed from the head sector of said unit data.
References Cited (Backward Citations)
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