EP1055994A2
Expired / Lapsed
EP
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Recording medium, recording apparatus, recording method, editing apparatus and editing method
Assignee: Sony Corp
•
Filing: 2000-05-24
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Granted: —
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Expires: 2020-05-24
Abstract
Abstract It is an object of the present invention to simplify work to edit sub data by: recording one or plurality of main data, management data for controlling the main data, one or plurality of sub data related to the main data and sub management data for controlling the sub data on a recording medium; and linking the sub data and the sub management data so that they can be referenced from the management data.
Inventors
- 👤 Teruyuki c/o Sony Corporation Shitara
- 👤 Eiichi c/o Sony Corporation Yamada
- 👤 Teppei C/O Sony Corporation Yokota
- 👤 Nobuyuki C/O Sony Corporation Kihara
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 10:35
CPC Classifications
G; G11; G11B; G11B20/00; G11B20/00086; G11B20/0021; G06; G06F; G06F16/00; G06F16/10; G11B20/00217; G11B20/00246; G11B20/00485; G11B20/00492; G11B20/00528; G11B20/00557; G11B20/00731; G11B20/00746; G11B20/00753; G11B20/00768; G11B20/10; G11B20/12; G11B27/00; G11B27/02; G11B27/031; G11B27/034; G11C; G11C7/00; G11C7/16; G11B2020/10851; G11B2020/1264; G11B2020/1265; G11B2220/00; G11B2220/20; G11B2220/25; G11B2220/2525; G11B2220/2529; G11B2220/2537; G11B2220/2545; G11B2220/60; G11B2220/61; G11B2220/65; G11C2207/00; G11C2207/16
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
116 words
A recording medium for recording one or plurality
of main data and one or plurality of sub data related to
said main data, said recording medium comprising: a main data recording region for recording said one
or plurality of main data; a sub data recording region for recording at least
one of sub data file comprising said one or plurality of
sub data and sub management data for controlling
recording locations of said sub data; and a management data recording region for recording
link information for controlling said main data recorded
in said main data recording region and linking said main
data to said sub data file containing said sub data
related to said main data.
Claim 2
Dependent Claim
36 words
A recording medium according to claim 1 wherein
said sub data recording region includes information for
each one or plurality of sub data indicating whether said
one or plurality of sub data is valid or invalid.
Claim 3
Independent Claim
105 words
A method of recording data into a recording medium
for recording one or plurality of main data, management
data for controlling said main data and one or plurality
of sub data related to said main data, said method
comprising the steps of: recording said main data into said recording
medium; recording said management data based on recording
of said main data; recording a sub data file comprising said one or
plurality of sub data into said recording medium; and updating said management data so as to record link
information for linking said main data to said sub data
file as one of said management data.
Claim 4
Dependent Claim
37 words
A method of recording data into a recording medium
according to claim 3 wherein said sub data file comprises
one or plurality of sub data and sub management data for
controlling recording locations of said sub data.
Claim 5
Dependent Claim
39 words
A method of recording data into a recording medium
according to claim 3 or 4, said method further including a
step of encoding said main data executed before said step
of recording said main data into said recording medium.
Claim 6
Dependent Claim
202 words
An editing method for carrying out editing work by
deletion of an invalid one of sub data recorded on a
recording medium used for recording one or plurality of
main data, management data for controlling said main data
and a sub data file comprising at least one of said sub
data related to said main data and sub management data
for controlling said sub data wherein said sub data file
is connected and linked to said management data, said
editing method comprising: a data reading step of reading out said management
data from said recording medium; a file reading step of reading out said sub data
file from said recording medium in accordance with link
information of said management data; a deletion step of deleting management data
associated with sub data invalidated by sub management
data in said sub data file and deleting said sub data
determined to be invalid from said sub data file in case
said sub data is determined to be invalid on the basis of
said sub management data in said sub data file; and a file writing step of writing back said sub data
file with unnecessary information deleted at said
deletion step into said recording medium.
Claim 7
Dependent Claim
57 words
An editing method according to claim 6 wherein:
said sub management data includes at least validity
information indicating whether sub data stored in said
sub data file is valid or invalid; and at said deletion
step, said validity information is examined to form a
judgment as to whether or not there is sub data to be
deleted.
Claim 8
Dependent Claim
39 words
An editing method according to claim 6 or 7 wherein, at
said deletion step, unnecessary information is deleted by
copying only management data associated with valid sub
data and said valid sub data to a new sub data file.
Claim 9
Dependent Claim
186 words
An editing method for carrying out editing work by
deletion of sub data recorded on a recording medium used
for recording one or plurality of main data, management
data for controlling said main data and a sub data file
comprising at least one of said sub data related to said
main data and sub management data for controlling said
sub data wherein said sub data file is connected and
linked to said management data, said editing method
comprising: a data reading step of reading out said management
data from said recording medium; a file reading step of reading out said sub data
file from said recording medium in accordance with link
information of said management data; a rewriting step of rewriting a specific one or
plurality of sub management data associated with sub data
specified to be deleted in said sub data file read out at
said file reading step; and a file writing step of writing back said sub data
file with said specific one or plurality of sub
management data for said unnecessary sub data rewritten
at said rewriting step into said recording medium.
Claim 10
Dependent Claim
55 words
An editing method according to claim 9 wherein:
said sub management data includes at least validity
information indicating whether sub data stored in said
sub data file is valid or invalid; and at said rewriting
step, said specific one or plurality of sub management
data is rewritten by setting said validity information at
invalid status.
Claim 11
Dependent Claim
164 words
A recording apparatus for recording one or
plurality of main data, management data for controlling
said main data and a sub data file comprising at least
one of sub data related to said main data and sub
management data for controlling said sub data into a
recording medium, said recording apparatus comprising: recording means for recording said main data, said
management data or said sub data file into said recording
medium; first updating means for updating said management
data stored on said recording medium on the basis of
recording of said main data into said recording medium; sub data file generation means for generating sub
management data for controlling at least one of sub data
and creating a sub data file comprising at least said one
of sub data and said sub management data; and second updating means for updating said management
data so as to record link information associating said
sub data file with said main data as one of said
management data.
Claim 12
Dependent Claim
28 words
A recording apparatus according to claim 11, said
apparatus further having encoding means for encoding said
main data before recording of said main data into said
recording medium.
Claim 13
Dependent Claim
232 words
An editing apparatus for carrying out editing
work by deletion of an invalid one of sub data recorded
on a recording medium used for recording one or plurality
of main data, management data for controlling said main
data and a sub data file comprising at least one of said
sub data related to said main data and sub management
data for controlling said sub data wherein said sub data
file is connected and linked to said management data,
said editing apparatus comprising: reading means for reading out said data from said
recording medium; writing means for writing said data into said
recording medium; judgment means for forming a judgment as to whether
or not there is an invalid one of sub data on the basis
of said sub management data in said sub data file read
out from said recording medium by said recording means;
and control means for controlling work to edit said sub
data file in case a result of said judgment formed by
said judgment means indicates that there is an invalid
one of sub data by execution of the steps of: deleting management data associated with sub
data invalidated by said sub management data in said sub
data file; deleting said sub data determined to be
invalid from said sub data file; and controlling said write means to write said
edited sub data file into said recording medium.
Claim 14
Dependent Claim
55 words
An editing apparatus according to claim 13
wherein: said sub management data includes at least
validity information indicating whether sub data stored
in said sub data is valid or invalid; and judgment means
forms a judgment as to whether or not there is sub data
to be deleted on the basis of said validity information.
Claim 15
Dependent Claim
37 words
An editing apparatus according to claim 14
wherein said control means deletes unnecessary data by
copying only sub management data associated with valid
sub data and said valid sub data to a newly created sub
data file.
Claim 16
Dependent Claim
157 words
An editing apparatus for carrying out editing
work by deletion of sub data recorded on a recording
medium used for recording one or plurality of main data,
management data for controlling said main data and a sub
data file comprising at least one of said sub data
related to said main data and sub management data for
controlling said sub data wherein said sub data file is
connected and linked to said management data, said
editing apparatus comprising: access means for reading out and writing said data
from and into said recording medium; and control means for controlling said access means to
execute the steps of: rewriting a specific one or plurality of sub
management data associated with sub data specified to be
deleted in said sub data file read out by said access
means; and writing back said sub data file with said
specific one or plurality of sub management data
rewritten into said recording medium.
Claim 17
Dependent Claim
53 words
An editing apparatus according to claim 16
wherein: said sub management data includes at least
validity information indicating whether sub data stored
in said sub data file is valid or invalid; and said
control means rewrites said specific one or plurality of
sub management data by setting said validity information
at invalid status.
References Cited (Backward Citations)
EP0911830A2
Cited
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