Hollywood VR-652 - Manual (Page 19)

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DVD Video structure
DVD Video discs typically contain one or more titles, which
may be subdivided into chapters.
Audio CD structure
Audio CDs contain tracks.
MP3/WMA/JPEG structure
On an MP3/WMA/JPEG disc, a folder can be a member of
another folder, creating hierarchical folder layers. If you are
familiar with a personal computer, you may easily
understand the hierarchical file/folder construction.
Aspect ratio (DVD Video)
The aspect ratio is the ratio between the vertical and
horizontal size of the picture displayed on a TV screen. The
aspect ratio of normal TV screen is 4:3 while that of the
wide-screen TV and HDTV screen is 16:9.
Subtitle (DVD Video)
Some DVD Videos contain the recording of more than one
subtitle languages. With these discs, this unit can select one
of the subtitle languages as desired during playback.
Angle (DVD Video)
Some DVD Videos contain scenes which have shot
simultaneously from multiple camera angles. With these
discs, the same scene can be viewed from each of these
different angles.
DVD Video
The format for storing MPEG-2 video on DVD, with
interactive menus, multiple soundtracks, subtitles, camera
angles, and so on.
MPEG(Moving Picture Expert Group)
It is regarded as an international standard for compressing
and restoring digital video and audio signal. "MPEG"
standards include MPEG-1, MPEG-2 and MPEG-4. Video
CD and MP3 are based on MPEG-1, while DVD Video is
based on MPEG-2.
MP3
MP3 is an audio data compression format, which stands for
MPEG-1 Audio Layer 3. Using MP3, you can achieve a data
reduction of about 1:10.
• MPEG Layer-3 audio coding technology licensed from
Fraunhofer IIS and Thomson.
WMA(Windows Media Audio)
WMA is an audio data compression format developed by
Microsoft Corporation. WMA file size is smaller than that of
MP3.
JPEG(Joint Photographic Experts Group)
JPEG is a papular file format for still image compression and
storage.
There are three sub-types of the JPEG format as follows.
• baseline JPEG : used for digital cameras, the web, etc.
• progressive JPEG : used for the web.
• lossless JPEG : an old type, rarely used now.
DEFINITION OF TERMS