Title:
INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2017/135000
Kind Code:
A1
Abstract:
Provided are a device and method for enabling high-quality data playback in which crosstalk is eliminated, from a high-density recording-type optical disc. The present invention is provided with: a photodetector which outputs a read signal from a playback track of an information recording disc; a unit for supplying adjacent track playback binarized signals which outputs binarized signals (binary data), i.e. playback signals of adjacent tracks to the playback track; a multi-input adaptive equalizer which is provided with equalizer units for respectively inputting the read signal from the playback track, and the adjacent track playback binarized signals, and which uses adaptive equalization processing based on the input signals to output an equalized signal; and a binarization processing unit which executes binarization processing based on the equalized signal, to generate a playback signal of the playback track.
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Inventors:
SAITO KIMIHIRO (JP)
YAMAMOTO KENJI (JP)
NISHI NORIAKI (JP)
SHIRAISHI JUNYA (JP)
KOBAYASHI NOBUYOSHI (JP)
YAMAMOTO KENJI (JP)
NISHI NORIAKI (JP)
SHIRAISHI JUNYA (JP)
KOBAYASHI NOBUYOSHI (JP)
Application Number:
PCT/JP2017/000779
Publication Date:
August 10, 2017
Filing Date:
January 12, 2017
Export Citation:
Assignee:
SONY CORP (JP)
International Classes:
G11B20/14; G11B7/005; G11B7/131; G11B7/133; G11B20/18
Foreign References:
| JP2005332453A | 2005-12-02 | |||
| JP2012079385A | 2012-04-19 | |||
| JPH06162515A | 1994-06-10 | |||
| JP2007518202A | 2007-07-05 | |||
| JPH05325196A | 1993-12-10 |
Other References:
See also references of EP 3413313A4
Attorney, Agent or Firm:
MIYATA, Masaaki et al. (JP)
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