Please enable JavaScript.
Coggle requires JavaScript to display documents.
representing image (buffering (when a video is a segment needed to be…
representing image
buffering
when a video is a segment needed to be stored somewhere this is called buffering
when a user is watching part of a video the buffer is used to download the next of the video
if the buffer isn't filled quick enough lower qualities are downloaded to fill quicker
it minimises interruptions to viewing
streaming
videos can be viewed without delay on websites
can be watched in 'real time'
advantages
you don't need large storage space
you can watch it almost instantly
disadvantages
if you want to watch this again it needs to do the same thing
moving image
another way of saving a movie or video
made up of still images appearing to move
usually 25 to 27 frames per second
file sizes are very large
downloading can take a long time so they are usually streamed and its kept smooth by buffering
bitmap/vector
vetor
stores info about component that makes ups image
based on mathematical objects such as lines
details are not stored as individual xels
smaller file size than bitmap
scalable image
bitmap
made up of a grid of pixels
stores details about every individual pixel
its can also be compressed which makes the file size smaller
very large file size