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Most human segmental duplications are less than 300 kb in length, whereas research has begun to show that other primates, such as the chimpanzee, contain more duplications. There is a difference in copy number and content for about a third of the duplications with at least 94% shared identity.
Lossless compression of digitized data such as video, digitized film, and audio preserves all the information, but it does not generally achieve compression ratio much better than 2:1 because of the intrinsic entropy of the data. Compression algorithms which provide higher ratios either incur very large overheads or work only for specific data ...
Video is shot through the same lens as still images. Video resolution choices are 176 x 144 and 128 x 96 and appear to be 15 frames per second. Video clip length choices are Maximum and Default. Default will produce a clip suitable for sending via MMS, or roughly less than 300KB. Other menu choices for video mirror those for still images.
You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.
Most lossless compression programs do two things in sequence: the first step generates a statistical model for the input data, and the second step uses this model to map input data to bit sequences in such a way that "probable" (i.e. frequently encountered) data will produce shorter output than "improbable" data.
For example, one 640 MB compact disc (CD) holds approximately one hour of uncompressed high fidelity music, less than 2 hours of music compressed losslessly, or 7 hours of music compressed in the MP3 format at a medium bit rate. A digital sound recorder can typically store around 200 hours of clearly intelligible speech in 640 MB.