PRV-9000 Operating Instructions
1.3.4 DVD Disc Box Information
The following information can be found on the side of DVD media. If the
information is missing, contact the manufacturer of the disc (Fig 1-4).
1 2
3
4
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Figure 1-4: Information available from the side of DVD media case, box or jacket
Reading from left to right:
1 – Audio Language and Audio Formats
DVD-Video discs may have up to eight soundtracks consisting of
languages and/or music. The first track on the list is the original
soundtrack.
Dolby Digital:
Dolby Digital is the most widespread DVD-Video audio format. These
soundtracks may be mono, stereo, or up to 5:1 channels (surround
sound) with the 1 referring to a special low-frequency effects channel.
DTS:
DTS is another 5:1 channel surround format used on some DVD-Video
discs, often in addition to Dolby Digital.
Linear PCM:
Linear PCM audio may be on some DVD-Video discs, usually with music-
related materials. PCM is mono or stereo channels only.
2 – Subtitle Languages
DVD discs may have up to 32 subtitle streams however, subtitles are not
mandatory.
3 – Screen Aspect Ratio
Movies are filmed in a variety of screen formats. The box is marked with
the original format (example shows Cinemascope) and provides a
recommendation for best viewing (example shows 16:9, LetterBox).
4 – Region Code and TV Format
The world is divided in to six DVD regions with two additional region
codes; region 7-
reserved
and 8-international venues (airplanes, cruise
ships, etc.). For additional information on region codes, refer to the DVD
FAQ website -
http://dvddemystified.com/dvdfaq.html#1.10
5 – DVD-Video logo
6 – Angle Mark (
)
Some DVD-Video discs provide scenes filmed simultaneously from two or
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