Information recording medium, information recording device and method, information reproduction device and method, information recording/reproduction device and method, computer program for controlling recording or reproduction, and data structure containing control signal

An information record apparatus for recording a whole stream including a plurality of partial streams each composed of video information or audio information onto an information record medium by a packet unit that is a physically accessible unit, the video information or the audio information providing a series of content, said information record apparatus comprising:

• a first record device for recording an object data file for storing object data composed of a plurality of packets each storing pieces of the video information or the audio information and being a logically accessible unit;
• and
• a second record device for recording an object information file for storing, as reproduction control information to control a reproduction of the object data file, (i) relationship definition information to define a relationship between a plurality of packets to be multiplexed on a time axis and the plurality of partial streams, and (ii) reproduction output group definition information to define a group of partial streams switchable to each other by an information reproduction apparatus from among the plurality of partial streams, the group being reproduced and outputted collectively, as a reproduction output group, wherein
• the plurality of partial streams includes a plural-channels stream that is composed by recording the audio information for a plurality of channels overlappingly in one partial stream, and
• the reproduction output group definition information includes channel designation information to designate at least one channel from among the plurality of channels, and an information on an access position to the partial stream corresponding to the channel designation information.

An information record method of recording a whole stream including a plurality of partial streams each composed of video information or audio information onto an information record medium by a packet unit that is a physically accessible unit, the video information or the audio information providing a series of content, said information record method comprising:

• a first record process of recording an object data file for storing object data composed of a plurality of packets each storing pieces of the video information or the audio information and being a logically accessible unit;
• and
• a second record process of recording an object information file for storing, as reproduction control information to control a reproduction of the object data file, (i) relationship definition information to define a relationship between a plurality of packets to be multiplexed on a time axis and the plurality of partial streams, and (ii) reproduction output group definition information to define a group of partial streams switchable to each other by an information reproduction apparatus from among the plurality of partial streams, the group being reproduced and outputted collectively, as a reproduction output group, wherein
• the plurality of partial streams includes a plural-channels stream that is composed by recording the audio information for a plurality of channels overlappingly in one partial stream, and
• the reproduction output group definition information includes channel designation information to designate at least one channel from among the plurality of channels, and an information on an access position to the partial stream corresponding to the channel designation information.

An information reproduction apparatus for reproducing at least a part of the recorded whole stream from a information record medium onto which a whole stream including a plurality of partial streams each composed of video information or audio information is multi-recorded by a packet unit that is a physically accessible unit, the video information or the audio information providing a series of content, said information record medium including:

• an object data file for storing object data composed of a plurality of packets each storing pieces of the video information or the audio information and being a logically accessible unit;
• and an object information file for storing, as reproduction control information to control a reproduction of the object data file, (i) relationship definition information to define a relationship between a plurality of packets to be multiplexed on a time axis and the plurality of partial streams, and (ii) reproduction output group definition information to define a group of partial streams switchable to each other by an information reproduction apparatus from among the plurality of partial streams, the group being reproduced and outputted collectively, as a reproduction output group, wherein the plurality of partial streams includes a plural-channels stream that is composed by recording the audio information for a plurality of channels overlappingly in one partial stream, and the reproduction output group definition information includes channel designation information to designate at least one channel from among the plurality of channels, and an information on an access position to the partial stream corresponding to the channel designation information, said information reproduction apparatus comprising:
• a read device for reading information physically from the information record medium;
• and
• a reproduction device for reproducing the object data, on the basis of the reproduction control information included in the information read by the read device, wherein,
• when the plurality of reproduction output groups to which the plural-channels stream overlappingly belongs is reproduced, the reproduction device selectively reproduces and outputs the audio information relating to the channel designated by the channel designation information.

An information reproduction method of reproducing at least a part of the recorded whole stream from a information record medium onto which a whole stream including a plurality of partial streams each composed of video information or audio information is multi-recorded by a packet unit that is a physically accessible unit, the video information or the audio information providing a series of content, said information record medium including:

• an object data file for storing object data composed of a plurality of packets each storing pieces of the video information or the audio information and being a logically accessible unit;
• and an object information file for storing, as reproduction control information to control a reproduction of the object data file, (i) relationship definition information to define a relationship between a plurality of packets to be multiplexed on a time axis and the plurality of partial streams, and (ii) reproduction output group definition information to define a group of partial streams switchable to each other by an information reproduction apparatus from among the plurality of partial streams, the group being reproduced and outputted collectively, as a reproduction output group, wherein the plurality of partial streams includes a plural-channels stream that is composed by recording the audio information for a plurality of channels overlappingly in one partial stream, and the reproduction output group definition information includes channel designation information to designate at least one channel from among the plurality of channels, and an information on an access position to the partial stream corresponding to the channel designation information, said information reproduction method comprising:
• a read process of reading information physically from the information record medium;
• and
• a reproduction process of reproducing the object data, on the basis of the reproduction control information included in the information read by the read device, wherein,
• when the plurality of reproduction output groups to which the plural-channels stream overlappingly belongs is reproduced, the reproduction device selectively reproduces and outputs the audio information relating to the channel designated by the channel designation information.

An information record reproduction apparatus for recording the whole stream onto a information record medium onto which a whole stream including a plurality of partial streams each composed of video information or audio information is multi-recorded by a packet unit that is a physically accessible unit, the video information or the audio information providing a series of content, said information record medium including:

• an object data file for storing object data composed of a plurality of packets each storing pieces of the video information or the audio information and being a logically accessible unit;
• and an object information file for storing, as reproduction control information to control a reproduction of the object data file, (i) relationship definition information to define a relationship between a plurality of packets to be multiplexed on a time axis and the plurality of partial streams, and (ii) reproduction output group definition information to define a group of partial streams switchable to each other by an information reproduction apparatus from among the plurality of partial streams, the group being reproduced and outputted collectively, as a reproduction output group, wherein the plurality of partial streams includes a plural-channels stream that is composed by recording the audio information for a plurality of channels overlappingly in one partial stream, and the reproduction output group definition information includes channel designation information to designate at least one channel from among the plurality of channels, an information on an access position to the partial stream corresponding to the channel designation information, and reproducing at least a part of the recorded whole stream, said information record reproduction apparatus comprising:
• a first record device for recording the object data file;
• a second record device for recording the object information file;
• a read device for reading information physically from the information record medium;
• and
• a reproduction device for reproducing the object data, on the basis of the reproduction control information included in the information read by the read device, wherein
• when the plurality of reproduction output groups to which the plural-channels stream overlappingly belongs is reproduced, the reproduction device selectively reproduces and outputs the audio information relating to the channel designated by the channel designation information.

An information record reproduction method of recording the whole stream onto a information record medium onto which a whole stream including a plurality of partial streams each composed of video information or audio information is multi-recorded by a packet unit that is a physically accessible unit, the video information or the audio information providing a series of content, said information record medium including:

• an object data file for storing object data composed of a plurality of packets each storing pieces of the video information or the audio information and being a logically accessible unit;
• and an object information file for storing, as reproduction control information to control a reproduction of the object data file, (i) relationship definition information to define a relationship between a plurality of packets to be multiplexed on a time axis and the plurality of partial streams, and (ii) reproduction output group definition information to define a group of partial streams switchable to each other by an information reproduction apparatus from among the plurality of partial streams, the group being reproduced and outputted collectively, as a reproduction output group, wherein the plurality of partial streams includes a plural-channels stream that is composed by recording the audio information for a plurality of channels overlappingly in one partial stream, and the reproduction output group definition information includes channel designation information to designate at least one channel from among the plurality of channels, and an information on an access position to the partial stream corresponding to the channel designation information, and reproducing at least a part of the recorded whole stream, said information record reproduction method comprising:
• a first record process of recording the object data file;
• a second record process of recording the object information file;
• a read process of reading information physically from the information record medium;
• and
• a reproduction process of reproducing the object data, on the basis of the reproduction control information included in the information read by the read device, wherein
• when the plurality of reproduction output groups to which the plural-channels stream overlappingly belongs is reproduced, the reproduction device selectively reproduces and outputs the audio information relating to the channel designated by the channel designation information.

A computer program product in a physical record medium form, readable by a computer, for a record control to control the computer disposed at a information record apparatus for recording a whole stream including a plurality of partial streams each composed of video information or audio information onto an information record medium by a packet unit that is a physically accessible unit, the video information or the audio information providing a series of content, said information record apparatus comprising:

• a first record device for recording an object data file for storing object data composed of a plurality of packets each storing pieces of the video information or the audio information and being a logically accessible unit;
• and a second record device for recording an object information file for storing, as reproduction control information to control a reproduction of the object data file, (i) relationship definition information to define a relationship between a plurality of packets to be multiplexed on a time axis and the plurality of partial streams, and (ii) reproduction output group definition information to define a group of partial streams switchable to each other by an information reproduction apparatus from among the plurality of partial streams, the group being reproduced and outputted collectively, as a reproduction output group, wherein the plurality of partial streams includes a plural-channels stream that is composed by recording the audio information for a plurality of channels overlappingly in one partial stream, and the reproduction output group definition information includes channel designation information to designate at least one channel from among the plurality of channels, and an information on an access position to the partial stream corresponding to the channel designation information, said computer program product making the computer function as at least a part of the first record device and the second record device.

A computer program product in a physical record medium form, readable by a computer, for a reproduction control to control the computer disposed at a information reproduction apparatus for reproducing at least a part of the recorded whole stream from the information record medium onto which a whole stream including a plurality of partial streams each composed of video information or audio information is multi-recorded by a packet unit that is a physically accessible unit, the video information or the audio information providing a series of content, said information record medium including:

• an object data file for storing object data composed of a plurality of packets each storing pieces of the video information or the audio information and being a logically accessible unit;
• and an object information file for storing, as reproduction control information to control a reproduction of the object data file, (i) relationship definition information to define a relationship between a plurality of packets to be multiplexed on a time axis and the plurality of partial streams, and (ii) reproduction output group definition information to define a group of partial streams switchable to each other by an information reproduction apparatus from among the plurality of partial streams, the group being reproduced and outputted collectively, as a reproduction output group, wherein the plurality of partial streams includes a plural-channels stream that is composed by recording the audio information for a plurality of channels overlappingly in one partial stream, and the reproduction output group definition information includes channel designation information to designate at least one channel from among the plurality of channels, and an information on an access position to the partial stream corresponding to the channel designation information, said information reproduction apparatus comprising:
• a read device for reading information physically from the information record medium;
• and a reproduction device for reproducing the object data, on the basis of the reproduction control information included in the information read by the read device, wherein, when the plurality of reproduction output groups to which the plural-channels stream overlappingly belongs is reproduced, the reproduction device selectively reproduces and outputs the audio information relating to the channel designated by the channel designation information, said computer program product making the computer function as at least a part of the read device and the reproduction device.

A computer program product in a physical record medium form, readable by a computer, for a record reproduction control to control the computer disposed at a information record reproduction apparatus for recording the whole stream onto the information record medium onto which a whole stream including a plurality of partial streams each composed of video information or audio information is multi-recorded by a packet unit that is a physically accessible unit, the video information or the audio information providing a series of content, said information record medium including:

• an object data file for storing object data composed of a plurality of packets each storing pieces of the video information or the audio information and being a logically accessible unit;
• and an object information file for storing, as reproduction control information to control a reproduction of the object data file, (i) relationship definition information to define a relationship between a plurality of packets to be multiplexed on a time axis and the plurality of partial streams, and (ii) reproduction output group definition information to define a group of partial streams switchable to each other by an information reproduction apparatus from among the plurality of partial streams, the group being reproduced and outputted collectively, as a reproduction output group, wherein the plurality of partial streams includes a plural-channels stream that is composed by recording the audio information for a plurality of channels overlappingly in one partial stream, and the reproduction output group definition information includes channel designation information to designate at least one channel from among the plurality of channels, an information on an access position to the partial stream corresponding to the channel designation information, and reproducing at least a part of the recorded whole stream, said information record reproduction apparatus comprising:
• a first record device for recording the object data file;
• a second record device for recording the object information file;
• a read device for reading information physically from the information record medium;
• and a reproduction device for reproducing the object data, on the basis of the reproduction control information included in the information read by the read device, wherein when the plurality of reproduction output groups to which the plural-channels stream overlappingly belongs is reproduced, the reproduction device selectively reproduces and outputs the audio information relating to the channel designated by the channel designation information, said computer program product making the computer function as at least a part of the first record device, the second record device, the read device and the reproduction device.