Subsampling Look up subsampling in Wiktionary, the free dictionary. Not to be confused with Undersampling. Subsampling or sub-sampling may refer to: Sampling (statistics) Replication (statistics) Downsampling in signal processing Chroma subsampling Sub-sampling (chemistry) Topics referred to by the same term This disambiguation page lists articles associated with the title Subsampling.If an internal link led you here, you may wish to change the link to point directly to the intended article.