Sampling may refer to:Sampling, converting a continuous signal into a discrete signal Sampling (graphics), converting continuous colors into discrete color components Sampling (music), the reuse of a sound recording in another recording Sampler, an electronic musical instrument used to record and play back samples Sampling (statistics), selection of observations to acquire some knowledge of a statistical population Sampling, selection of cases for single or multiple case studies Sampling (audit), application of audit procedures to less than 100% of population to be audited Sampling (medicine), gathering of matter from the body to aid in the process of a medical diagnosis and/or evaluation of an indication for treatment, further medical tests or other procedures. Sampling, detection of hazardous materials in the workplace Sampling, taking a representative portion of a material or product to test, typically for the purposes of identification, quality control, or regulatory assessment. See Sample (material).