Sony Corporation

Pioneer Corporation

Hajime Ishizuka

Takashi Nakamura

Ryuichiro Yoshimura

Akio Fukushima

Hidenori Nakagawa

Kenichi Oono

Takashi Nakai

Naoki Yamada

Kosuke Suzuki

Yuichi Mizuuchi

Tomonori Nakada

Satoshi Obata

Kouji Harimoto

Eiji Konosu

Tak Kai

Kazumasa Nakamura

Shinzo Kawakami

Takehiro Otsuki

Takayuki Yamamoto

Hiroki Yamaguchi

In an optical disk manufacturable by a conventional recording medium manufacturing method and that is capable of performing recording with an information recording apparatus used to perform recording on conventional recording mediums, and a data recording apparatus for recording contents data, an optical disk has a structure in which a first substrate and a second substrate are bonded together, the first substrate is provided with a recording layer in which contents data is recorded, and the second substrate is provided with a visual information recording layer in which information enabling visual recognition of, for example, the contents of contents data or a title of the contents data is recorded as visual information.

Optical recording medium and data recording device

An information storing medium storing coded data of a content in segment units stores data including information of a horizontal video size, a vertical video size, a video depth, a maximum video data size in data segments, and a maximum audio data size in data segments as header information corresponding to the content. The stored data also includes information of the first frame number within a data segment, the number of frames within the data segment, and the address of each delimiter relative to the start of the data as segment information. A content reproducing apparatus can perform FIFO setting, data reading, and reproduction processing applying these pieces of information in a cache.

Data processing apparatus, data processing method, information storing medium, and computer program

Growing community of inventors

Tokyo, Japan

Hajime Ishizuka