发明授权
US08675140B2 Playback apparatus for playing back hierarchically-encoded video image data, method for controlling the playback apparatus, and storage medium
有权
用于回放分层编码视频图像数据的回放装置，用于控制播放装置的方法和存储介质
- 专利标题： Playback apparatus for playing back hierarchically-encoded video image data, method for controlling the playback apparatus, and storage medium
- 专利标题（中）： 用于回放分层编码视频图像数据的回放装置，用于控制播放装置的方法和存储介质
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申请号： US13114276申请日： 2011-05-24
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公开(公告)号： US08675140B2公开(公告)日： 2014-03-18
- 发明人: Hirofumi Urabe , Atsushi Mizutome
- 申请人： Hirofumi Urabe , Atsushi Mizutome
- 申请人地址： JP Tokyo
- 专利权人： Canon Kabushiki Kaisha
- 当前专利权人： Canon Kabushiki Kaisha
- 当前专利权人地址： JP Tokyo
- 代理机构： Cowan, Liebowitz & Latman, P.C.
- 优先权： JP2010-137677 20100616
- 主分类号： H04N5/60
- IPC分类号： H04N5/60
摘要：
Hierarchically-encoded video image data and audio data associated with a predetermined encoded layer of the hierarchically-encoded video image data are received, and the audio-associated encoded layer with which the audio data is associated is specified from among a plurality of encoded layers of the hierarchically-encoded video image data. Then, the ratio of the field of view of a decoded video image of an encoded layer to be played back to the field of view of a decoded video image of the audio-associated encoded layer is calculated. A prestored audio correction amount is multiplied by the calculated ratio, and the resulting new audio correction amount is used to correct the audio data.
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