Moving-image playback device for mobile use
First Claim
1. A moving-image playback device for mobile use that comprises a storage unit, a control unit, a video decoding unit, a text decoding unit, a display unit, and a power supply unit and that plays back a stream in which encoded video information and text information are included, further comprising a video decode on/off function that turns on or off an execution of video decoding in said video decoding unit, wherein, if said control unit turns off said video decode on/off function when the stream is played back, said text decoding unit decodes text information but said video decoding unit does not decode video information.
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Abstract
A moving-image playback terminal for mobile use includes a storage unit, a control unit, a video decoding unit, a text decoding unit, a display unit, and a power supply unit. The terminal plays back a stream in which encoded video information and text information are included. The moving-image playback terminal further includes a video decode on/off function that turns on/off an execution of video decoding in the video decoding unit. If the video decode on/off function is turned off when the stream is played back, the text decoding unit decodes text information but the video decoding unit does not decode video information.
32 Citations
12 Claims
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1. A moving-image playback device for mobile use that comprises a storage unit, a control unit, a video decoding unit, a text decoding unit, a display unit, and a power supply unit and that plays back a stream in which encoded video information and text information are included,
further comprising a video decode on/off function that turns on or off an execution of video decoding in said video decoding unit, wherein, if said control unit turns off said video decode on/off function when the stream is played back, said text decoding unit decodes text information but said video decoding unit does not decode video information.
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11. A moving-image playback device for mobile use that comprises a storage unit, a control unit, a video decoding unit, an audio decoding unit, a display unit, and a power supply unit and that plays back a stream in which encoded video information and audio information are included,
further comprising a video decode on/off function that turns on or off an execution of video decoding in said video decoding unit, wherein, if said control unit turns off said video decode on/off function when the stream is played back, said audio decoding unit decodes the audio information but said video decoding unit does not decode the video information.
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12. A moving-image playback device for mobile use that comprises a storage unit, a control unit, a video decoding unit, an audio decoding unit, a text decoding unit, a display unit, and a power supply unit and that plays back a stream in which encoded video information, audio information, and text information are included,
further comprising an audio decode on/off function that turns on or off an execution of audio decoding in said audio decoding unit, wherein, if said control unit turns off said audio decode on/off function when the stream is played back, said video decoding unit and said text decoding unit decode the video information and the text information but said audio decoding unit does not decode the audio information.
Specification