- Analogue noise is what is created by the constraints of the technology. The excess sound created by the physical means of reproduction e.g. the hiss of a vinyl record, the grain of a photograph etc. It can be minimised but can not disappear completely.
- In digital recording 'bits' may be directed to remove such noise - 'headers'. There is a choice to remove or not remove rather than a variable.
- Digital recording is indirect in that it is encoded so there is no physical mechanism to create such 'noise'.
- Digital noise is perhaps in the concept of 'multimedia' where bits may rearrange themselves. Data is muddled rather than restricted or clouded.
- Insufficient memory or excess compressing will lead to a loss of information, hence the 'noise' of a pixelated image.
- Digital data displayed as binary code will resemble noise or nonsense to the average person. It must be re-assembled to make sense.
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