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  1. A

    Some compression techniques used for reducing the storage size of still images are...

    ...said to be “lossy”? Name an example of such a technique? For the technique you name, explain why the loss of quality of is often not particularly noticeable, even if the reduction of file size is quite significant?
  2. A

    Explain the principle of the MIDI format for audio recording?

    Why is it inappropriate for recording human voice?
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