Pioneer Corporation

Nec Corporation

Tohru Kanegae

Takao Sawabe

Takeshi Koda

Masanori Nakahara

Nobuyuki Takakuwa

Yasuko Fukuda

Akira Imamura

Masahiro Kato

Eisaku Kawano

Masahiro Miura

Shoji Taniguchi

Kyusho Omori

Eiji Muramatsu

Tatsuhiro Yone

Akira Shirota

Yasumitsu Suzuki

Hiroshi Takemoto

Shigekazu Wada

Kouichi Yaeguchi

Akihiro Tozaki

Masatsugu Ogawa

Masami Suzuki

Masahiro Katsumura

Kiyoshi Takei

Teruo Baba

Manahiko Hashiotani

Takao c/o Pioneer Corporation Sawabe

Nobuyuki c/o Pioneer Corporation Takakuwa

Takeshi c/o Pioneer Corporation Koda

On an information record medium, there are recorded: a plurality of content informations; and a plurality of play list sets each including a plurality of play list informations defining reproduction sequence thereof. The plurality of content informations, whose reproduction sequences are defined by the plurality of play list informations in a same play list set, are different from each other in reproduction functions required for an information reproduction system to reproduce the plurality of content informations and are adapted to at least partially construct titles, each of which is a logically united information unit and which are same to each other. Required function information indicating the reproduction function required for the information reproduction system is further recorded for each of the plurality of play list informations.

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

Provided is an information recording apparatus which, in a state where the content of moving picture image information, etc. can be prevented from being inadvertently recognized by the user due to inadvertent presentation to the user of a relevant representative picture image, enables recording the respective information into a recording medium. A reproduction list PL that is to be reproduced is not only recorded into an optical discbut is there also recorded in it a reproduction list display prohibition flag PHF indicating at least whether limiting the display of a representative picture image that represents the content of the reproduction list PL.

Apparatus for and method of recording information, apparatus for and method of reproducing information, recording medium, and information recording medium

An information record medium comprises video information for indicating a main-video, sub-video information for indicating a sub-video which can be displayed at least partially over the main-video, and sub-video control information including (i) a plurality of types of control information elements for display control of the sub-video information in various methods set in advance and (ii) type indicating information to indicate presence or absence, or effectiveness or ineffectiveness of the control information elements by each of the types.

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

On an information recode medium, a whole stream containing a plurality of partial streams each consisting of content information including still picture information is multiplexed and recorded on packet basis. The information record medium includes a file for storing object data consisting of a plurality of packets each containing a fragment of content information and a file for storing information defining the reproduction sequence of the object data. Furthermore, the information record medium includes an object information file for storing classification information indicating whether each object data corresponds to a first encoding method or a second encoding method.

Information record medium, information record device and method, information reproduction device and method, information record/reproduction device and method, recording or reproduction control,computer program and data structure including a control signal

An information recording medium on which a plurality of stream groups are multiplexed and recorded by a unit of packet, which is a physically accessible unit, each of the stream groups including one video stream, the information recording medium provided with: an object data file for storing object data which comprises a plurality of packets; and an object information file for storing correspondence definition information for controlling the reproduction of the object data. The object data is divided by a divisional unit in at least one portion of a reproduction section, which is provided with the plurality of packets and corresponds to one of the plurality of stream groups. The object information file stores unit address information indicating an address of each of divisional units, as the reproduction control information.

Information recording medium, information recording apparatus and method, information reproducing apparatus and method, and computer program for record or reproduction control

A series of content information; menu information, which is to be displayed with the content information during reproduction of the content information; and play list information for defining reproduction sequence of the content information by a unit of item, which constitutes the content information and which is accessible upon reproducing, are recorded on the information record medium. The play list information includes: item information for specifying each item which constitutes the content information; and slave item information for specifying the menu information corresponding to the each item as a slave item.

Information record medium, information record apparatus and method, information reproduction apparatus and method, information record reproduction apparatus and method, computer program for record or reproduction control, and data structure containing control signal

A recording apparatus with a device for recording information onto a medium, provided with: (i) a first layer irradiated with laser light to record information on a first area; and (ii) a second layer irradiated with laser light through the first layer and having a second area whose edge on an inner circumferential side corresponds to an edge on an outer circumferential side of the first area; and a controlling device for controlling the recording device to pre-record, into an area portion of the first area, other than an area portion having a size corresponding to a tolerance length, which indicates an acceptable range of a relative position shift between an address defined on the predetermined position in the first layer and an address related to the predetermined position in the second layer, with the edge on the outer circumferential side of the first area as a starting point.

Recording device, recording method, and computer program

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 including control signal

An information record medium contains video information indicating a main-video, sub-video information indicating a sub-video which can be displayed at least partially over the main-video, and sub-video control information including sub-frame range information specifying at least a part of the region in the sub-video as a sub-frame and sub-frame control information for controlling display of a sub-frame displayed over the main-video. The sub-frame control information includes dynamic control information includes dynamic control information for dynamically displaying the sub-frame.

A recording medium () is provided with: a first recording layer (L0) and a second recording layer (L1) to record therein record information, and a control area () in said recording layer and a control area in said second recording layer to record therein control information for controlling at least one of recording and reproduction of the record information, wherein a distance between an inner radius of the control area in the first recording layer and an outer radius of the control area in the second recording layer is larger than or equal to a first predetermined value.

Recording medium, recording method, and computer program

An information recording medium is provided with: a file for storing object data which constitutes a series of content information, such as picture information or video information and audio information, and a play list information file for storing play list information which defines a reproduction sequence of the object data by a unit of play list. The information recording medium is further provided with a disc information file for storing a plurality of title play lists including information for specifying the play list information which defines the play list to be reproduced, Pre command information and Post command information, which indicate commands to be executed before and after the reproduction, respectively, based on the play list information.

Information recording medium, information recording apparatus and method, information reproducing apparatus and method, information recording/reproducing apparatus and method, recording or reproduction control computer program, and data structure containing control signal

An information reproducing apparatus () is provided with: a detecting device () for irradiating an information. recording medium with laser light (LB) and detecting reflected light as a detection signal, the information recording medium including a first recording layer (L0) and a second recording layer (L1); a high pass filter () for performing a filtering process on the detected detection signal; and a reproducing device () for performing a reproduction process of the filtered detection signal to reproduce the data, the high pass filter attenuates a fluctuation component of the detection signal, caused by a relative eccentricity between the first recording layer and the second recording layer, by a first attenuation amount (34dB) or more.

Information reproduction device

An information recording medium is provided with: a first recording layer in which one portion of record information including predetermined data can be recorded, the predetermined data being (i) capable of setting a recording layer close to a physically or optically recorded state, and (ii) capable of setting the recording layer close to a buffer state for finalizing; and a second recording layer in which another portion of the record information can be recorded by laser light transmitted through the first recording layer, the information recording medium is provided with a management area in which management information can be recorded, the management information including (iii) identification information indicating whether or not there is a predetermined data recording area in which the predetermined data can be recorded, (iv) position information of the predetermined data recording area, and (v) attribute information of the predetermined data recording area.

Growing community of inventors

Saitama, Japan

Tohru Kanegae