DVD Operation
MPEG4 AND JPEG FILE PLAYBACK
MPEG4 is the audio standard published by MPEG(Moving Pictures Experts Group) in November,1998. As the discrepant parts between frames of picture are only processed and the same parts are deleted, the data number are greatly decreased. The most distinct feature of MPEG4 is the high compression and clear imaging. Furthermore, MPEG4 provides elastic specifications to adjust the stream according to the used requirements. The larger stream can be used when collecting private films; and the small stream can be used in network transferring, which make MPEG4 use widely.
JPEG(Joint Photographic Experts Group) is the most widely used picture compression and storage format today. Utilizing high efficiency compression algorithm, JPEG compresses the original picture 15 to 20 times with excellent picture quality. JPEG is featuring small size data, convenient application and supported by most picture processing software, so it is very fit to store photos.
The strong decoding capability of this unit can decode and play the files with the above formats. In the course of playing, an operation menu will appear and its construction is shown as follows.
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| 1 | State window | 4 | Scroll bar window |
00:00 | 00:00 |
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| \PIC\ | 2 |
| state information. |
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| 2 | DIR window | 5 | Preview window | |
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| Du000 |
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| JPEG image preview. |
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| Du002 |
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| path. |
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| 6 | 3 | File window | 6 | Information window |
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The state information in state window is as follows:
1 | 2 3 4 | 1 Elapsed playback time |
2Total playback time
00:57 03:31 128
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| 3 | The audio bit rate (generally the bit rate is 128kbps, |
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| sometimes it is VBR.) |
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| 6 | 4 | Current playback mode indicator | |
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5Track indicator
6Dynamic frequency spectrum indicator
26" HD Ready LCD/DVD TV with USB Record User Guide | 47 |