| 摘要 |
A method of providing a display signal, wherein digital data to be displayed has associated with it statistical values determined for pre-determined sized blocks of the digital data, comprising the steps of: determining display scaling parameters; determining from the display scaling parameters the extent to which the statistical values are suitable to use in place of some or all of the digital data when determining which data points of either the digital data and/or statistical values to display; determining the data points to display; reading the digital data and/or statistical values to be displayed; and generating the display signal from the digital data and/or statistical values.
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