In the fields of science, engineering, industry and statistics, the accuracy of a measurement system is the degree of closeness of measurements of a quantity to its actual (true) value.
The precision of a measurement system, also called reproducibility or repeatability, is the degree to which repeated measurements under unchanged conditions show the same results.
Although the two words can be synonymous in colloquial use, they are deliberately contrasted in the context of the scientific method. Wikepedia.org
William Elder, designer of the IQS Audio Signal Analyzer, reported: “Anything that you are trying to do to improve the sound quality of the sample should increase the repeatability of playing back the data, and it seems to me that is what was going on.“It was very much easier to get repeatable data after the application of the Quantum Noise Reduction System™ to the data source”
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