Digitus DS-15202-1, Руководство пользователя

Страница: 56 / 146

56
Compression Level
You may select a value between 1 and 9 for the desired compression level with level 1
enabling the fastest compression and level 9 the best compression. The most suitable
compression level should always be seen as a compromise between the network
bandwidth that is available, on your video picture to be transferred, and on the number of
changes between two single video pictures. We recommend to use a higher compression
level if the network bandwidth is low. The higher the compression level the more time is
needed to pack and unpack the video data on either side of the connection. The
compression quality depends on the video picture itself, e.g. the number of the colors or the
diversity of pixels. The lower the compression quality, the more data have to be sent and
the longer it may take to transfer the whole video picture.
If level 0 is chosen the video compression is disabled, completely.
The option "Video Optimized" has its advantages if transferring high-quality motion
pictures. In this case the video compression is disabled, completely and all video data
is transferred via network as full-quality video snippets. Therefore, a high amount of
bandwidth is required to ensure the quality of the video picture.