Toshiba RD-XS24SB Service Manual page 168

Reference Information
14-2-3 Detailed Feature
DVD-Video Feature 1
As the storage capacity increases, the DVD-Video separates the main data and the additional data such as the
Multi-Function into different data areas, enabling the control of time-data ratio to provide the format that enables
the flexible Software development
• 1 Movie (3.5Mbps)
+ Subtitle (1 Language)
+ Surround Audio (1 Language)
= 160min storage (4.673Gbytes)
• 1 Movie (3.5Mbps)
+ Subtitle (4 Language)
+ Surround Audio (4 Language)
= 160min storage (4.680Gbytes)
• 1 Music Video (4Mbps)
+ 2ch High quality Audio (96kHz/24bit)
= 72min storage (4.648Gbytes)
DVD-Video Feature 2
DVD-Video uses the variable compresion technology, the MPEG-2 to compress the moving image optimally, mini-
mizing the Data loss to Provide a clear, natural screen while increasing the storage time.
• MPEG-2 (Variable compression : Max. 1/40)
- Field unit compression.
- Compression rate change according to the amount of Data.
DVD-Video
- Differentiates the still image and the moving image
• MPEG-1 (Fixed compression : Max. 1/140)
- Frame unit compression.
- Compresses all data using the same ratio.
Video-CD
• Fast movements are jagged, and unnatural
14-4
When Developing the DVD Software, various addition and modification is possible.
Application of the MPEG-2 compression technology.
compression rate, reducing Data loss and enables
efficient compression.
Amount of data
Loss area
Amount of data
Time
Time