Greenblum & Bernstein, P.L.C.
Computer implemented method for use in a play back apparatus
A computer-implemented method is provided that includes determining whether a display apparatus that displays video played back by a playback apparatus supports an optional feature for playback of the video by using a first technique. The method also includes determining whether the display apparatus supports the optional feature for playback of the video by using a second technique that differs from the first technique in case that it is indeterminate whether the display apparatus supports the optional feature by using the first technique.
PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
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Yoshihiro Tadamasa Masayuki
Mori Toma Kozuka