Category: Glossary

Compression

You set a data rate in the compression window, in the figure above it is under Data Rate (in this example the video is being compressed to a high quality with the final size being 400 x 225 pixels – I’m using a data rate of 500 kbits/sec which is high for my work but in this case the file is going to be compressed again within authoring software so I bring in high quality video), and you can set a manual figure or let the codec decide. … Also note that if you want to go for deliberately low res video with lots of compression artefacts and so on, then you can put a low number in the data rate but if it is too low (i.e. the codec has to use more data to actually be able to render your video) then it just ignores your request (“computer says ‘No!'”).

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Softvideo

In my use of it hard video is when you use a computer to make, edit and post produce video, even possibly distribute it, but there the outcome retains all the qualities and attributes of traditional video. … My simple rule of thumb here is that if the video could be taken off the interwebs and shown in on a wall or screen somewhere else, and nothing has really changed (apart from obvious things like the size of the screen and so on), then it’s hard video.

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