REPRODUCTION DEVICE, REPRODUCTION METHOD, AND RECORDING MEDIUM

WIPO Patent Application WO/2015/025726

A1

The present technology pertains to a reproduction device, a reproduction method, and a recording medium, with which closed captions having a wide luminance dynamic range can be displayed with appropriate brightness. On an optical disk the following are recorded: high dynamic range (HDR) closed captions, which are closed captions having a second luminance range that is wider than a first luminance range; tone_mapping_info, which includes HDR information indicating the luminance characteristic of the HDR closed captions; and tone_mapping_info, which is tone mapping definition information that is used when converting the luminance from that of the HDR closed captions to that of standard (STD) closed captions, which are closed captions having the first luminance range. The present technology can be applied to a recording medium on which closed captions are recorded.

UCHIMURA KOUICHI (JP)

PCT/JP2014/070890

February 26, 2015

August 07, 2014

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SONY CORP (JP)

H04N7/025; H04N5/91; H04N5/92; H04N7/01

WO2012027405A2	2012-03-01
WO2012147010A1	2012-11-01

JP2007257641A	2007-10-04
JP2007534238A	2007-11-22
JP2009524371A	2009-06-25
JP2009058692A	2009-03-19
JP2009089209A	2009-04-23

SALLY HATTORI ET AL.: "Signalling of Luminance Dynamic Range in Tone mapping information SEI, Joint Collaborative Team on Video Coding (JCT- VC) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11", JCTVC-J0149, July 2012 (2012-07-01), STOCKHOLM, pages 1 - 7, XP030053806
See also references of EP 3038352A4

NISHIKAWA Takashi et al. (JP)
Nishikawa 孝 (JP)

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