| 摘要 |
A portable electronic apparatus permitted to be powered by a battery and including a function for reproducing contents data acquired by multiplexing and encoding video data and audio data, includes a separation unit which separates the contents data into the video data and the audio data, a video decoder which receives and decodes the video data separated by the separation unit, an audio decoder which receives and decodes the audio data separated by the separation unit, a setting unit which sets a power saving mode in which only the audio data included in the contents data is reproduced, and a power save control unit which causes the video decoder to stop decoding of part of the video data when the power saving mode is set by the setting unit, the part of the video data being for use other than menu display.
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