downsample

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Downsampling

Etymology

From down +‎ sample.

Verb

downsample (third-person singular simple present downsamples, present participle downsampling, simple past and past participle downsampled)

To reduce the sampling rate of (a signal).
To reduce the sample size of a data set by randomly eliminating data points, typically so that it matches the size of another set.

Antonyms

upsample

Derived terms

downsampler