RECORDING MEDIUM, PLAYBACK DEVICE, AND INTEGRATED CIRCUIT

• US 20120155830A1
• Filed: 02/10/2012
• Published: 06/21/2012
• Est. Priority Date: 02/20/2009
• Status: Active Grant

• Current Assignee: Hiroshi Yahata, Taiji Sasaki, Tomoki Ogawa, Wataru Ikeda
• Original Assignee: Hiroshi Yahata, Taiji Sasaki, Tomoki Ogawa, Wataru Ikeda
• Inventors: Sasaki, Taiji, Yahata, Hiroshi, Ikeda, Wataru, Ogawa, Tomoki
• Granted Patent: US 8,542,986 B2
• Time in Patent Office: Days
• US Class Current: 386/239
• CPC Class Codes: G11B 2020/10814 involving specific measures to prevent a buffer underrun
• CPC Class Codes: G11B 2020/10916 Seeking data on the record carrier for preparing an access to a specific address
• CPC Class Codes: G11B 2020/10925 involving an inter-layer jump, i.e. changing from one recording layer to another
• CPC Class Codes: G11B 2220/2541 Blu-ray discs; Blue laser DVR discs
• CPC Class Codes: G11B 27/105 of operating discs
• CPC Class Codes: H04N 13/161 Encoding, multiplexing or demultiplexing different image signal components for multi-view video sequence encoding H04N19/597
• CPC Class Codes: H04N 13/178 Metadata, e.g. disparity information
• CPC Class Codes: H04N 13/183 On-screen display [OSD] information, e.g. subtitles or menus
• CPC Class Codes: H04N 13/189 Recording image signals; Reproducing recorded image signals
• CPC Class Codes: H04N 13/194 Transmission of image signals
• CPC Class Codes: H04N 13/305 using lenticular lenses, e.g. arrangements of cylindrical lenses
• CPC Class Codes: H04N 13/337 using polarisation multiplexing
• CPC Class Codes: H04N 13/341 using temporal multiplexing
• CPC Class Codes: H04N 13/361 Reproducing mixed stereoscopic images; Reproducing mixed monoscopic and stereoscopic images, e.g. a stereoscopic image overlay window on a monoscopic image background
• CPC Class Codes: H04N 19/597 specially adapted for multi-view video sequence encoding
• CPC Class Codes: H04N 5/765 Interface circuits between an apparatus for recording and another apparatus
• CPC Class Codes: H04N 5/775 between a recording apparatus and a television receiver
• CPC Class Codes: H04N 5/85 on discs or drums
• CPC Class Codes: H04N 9/7921 for more than one processing mode
• CPC Class Codes: H04N 9/8042 involving data reduction
• CPC Class Codes: H04N 9/8063 : using time division multiplex of the PCM audio and PCM video signals
• CPC Class Codes: H04N 9/8205 : involving the multiplexing of an additional signal and the colour video signal
• CPC Class Codes: H04N 9/8216 : using time division multiplex
• CPC Class Codes: H04N 9/8227 : the additional signal being at least another television signal
• CPC Class Codes: H04N 9/8244 : involving the use of subcodes

Abstract

Provided is a recording medium that enables seamless connection between preceding playitems which are stream data arranged prior to a position where a long jump occurs, such as a layer boundary, and succeeding playitems which are stream data arranged subsequent to the position where the long jump occurs. A block exclusively for 2D playback Ln_2D is arranged succeeding a 3D extent block in which a depth map data block, a right-view data block, and a left-view data block are arranged in an interleaved manner. A 3D extent block including a block exclusively for 3D playback L3_SS is arranged between the block exclusively for 2D playback and a long jump point LB. The block exclusively for 2D playback and the block exclusively for 3D playback are identical in content.

Claims

1-10. -10. (canceled)

11. A semiconductor integrated circuit for performing audio and video signal processing on data received from a recording medium, comprising:

a main-view stream used for monoscopic video playback, a plurality of main-view data blocks formed from the main-view stream;

a sub-view stream used for stereoscopic video playback in combination with the main-view stream, a plurality of sub-view data blocks formed from the sub-view stream;

2D management information used in monoscopic video playback; and

3D management information used in stereoscopic video playback,

wherein a common data area includes one or more of the plurality of main-view data blocks and one or more of the plurality of sub-view data blocks,

wherein a 2D data area includes one or more of the plurality of main-view data blocks,

wherein a 3D data area includes one or more of the plurality of main-view data blocks and one or more of the plurality of sub-view data blocks,

wherein the 2D management information refers to the one or more of the plurality of main-view data blocks included in the common data area and the one or more of the plurality of main-view data blocks included in the 2D data area,

wherein the 3D management information refers to the one or more of the plurality of main-view data blocks included in the common data area and the one or more of the plurality of main-view data blocks included in the 3D data area,

wherein the 2D management information does not refer to the one or more of the plurality of main-view data blocks in the 3D data area,

wherein the 3D management information does not refer to the one or more of the plurality of main-view data blocks included in the 2D data area,

wherein the 2D data area is accessed immediately before a long jump that occurs in monoscopic video playback,

wherein the 3D data area is accessed immediately before a long jump that occurs in stereoscopic video playback,

wherein the recording medium has the common data area, the 2D data area, and the 3D data area arranged continuously in this order, and

wherein the one or more of the plurality of main-view data blocks included in the 2D data area and the one or more of the plurality of main-view data blocks included in the 3D data area are identical in content,

the main-view data blocks and the sub-view data blocks both include visual data,

at least one of the main-view data blocks and the sub-view data blocks includes audio data, and

the semiconductor integrated circuit comprises;

a main control unit operable to control the semiconductor integrated circuit;

a stream processing unit operable to receive the interleaved stream and, after temporarily storing the received interleaved stream in one of memory units internal and external to the semiconductor integrated circuit, demultiplex the received interleaved stream into the visual data and the audio data;

a signal processing unit operable to decode the audio data and the visual data; and

an AV output unit operable to output the decoded audio data and the decoded video data, wherein

the stream processing unit includes a switching unit that switches a storage location of the received interleaved stream in the memory that has a first area and a second area,

in stereoscopic video playback, the main control unit causes the switching unit to store data contained in the main-view data blocks in the first area and to store data contained in the sub-view data blocks in the second area, and

the main control unit uses the 3D management information when causing the switching unit to store the data contained in the main-view data blocks in the first area.