Appendix
Additional Information
Terms
AAC
AAC is short for Advanced Audio Coding and refers to an audio compression technology standard used with MPEG 2 and MPEG 4.
Aspect ratio
This is the
Bit rate
This expresses data volume per second, or bps (bits per second) units. The higher the rate, the more information is available to reproduce the sound. Using the same encoding method (such as MP3), the higher the rate, the better the sound.
Bonus group
An ‘extra’ group on some DVD audio discs that requires a key number to access.
Browsable pictures
A feature of some DVD audio discs in which you can browse still pictures recorded on the disc while the audio is played back.
Chapter
DVD titles are in turn divided into chapters which are numbered in the same way as the chapters of a book. With DVD video discs fea- turing chapters, you can quickly find a desired scene with chapter search.
DivX
DivX is a popular media technology created by DivX, Inc. DivX media files contain highly com- pressed video with high visual quality that maintains a relatively small file size. DivX files can also include advanced media features like menus, subtitles, and alternate audio tracks.
tools from DivX.com. | Additional | |
Many DivX media files are available for down- |
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load online, and you can create your own |
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using your personal content and | Information | |
DivX Certified | ||
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DivX Certified products are officially tested by |
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the creators of DivX and guaranteed to play all |
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versions of DivX video, including DivX 6. |
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Dolby Digital |
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Dolby Digital provides |
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from up to 5.1 independent channels. This is |
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the same as the Dolby Digital surround sound |
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system used in theaters. |
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Dolby Digital EX |
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Dolby Digital EX creates six |
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put channels from |
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done using a matrix decoder that derives three |
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surround channels from the two in the original |
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recording. |
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Dolby Pro Logic II |
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Dolby Pro Logic II can create five |
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width output channels from |
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sources. This new technology enables a dis- |
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crete |
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nels, 1 center channel, and 2 rear channels. A |
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music mode is also available for |
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sources in addition to the movie mode. |
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DTS |
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This stands for Digital Theater Systems. DTS is |
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a surround system delivering |
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audio from up to 6 independent channels. |
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DTS 96/24 |
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DTS 96/24 is an extension of the original DTS |
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Digital Surround which offers high quality 96 |
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This format is also fully backward compatible |
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with all existing decoders. This means that |
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DVD players can play this software using a |
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conventional DTS 5.1 channel decoder. |
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En 137
