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Term: Clocking (digital audio)

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Term: Clocking (digital audio)

Although this term applies to many digital signal creation and processing activities, the focus for this definition is sound recordings, especially their creation by a-to-d converters. The converter's reference clock determines when a sample is taken and, if the clock is not particularly stable, then the interval between samples will vary. The key difference between high-end and budget-priced a-to-d converters is the quality, stability, and consistency of the internal clock circuitry. Shortcomings result in reduced clocking accuracy and jitter.
See also:
A-to-D converter; Jitter