S 2.2.2 Sampling Rate Alteration Employed to generate a new sequence y[n]with a sampling rate F'r higher or lower than that of the sampling rate Fr of a given sequence x[n] Sampling rate alteration ratio is R=FT/FT If R 1,the process called interpolation If R<1,the process called decimation§2.2.2 Sampling Rate Alteration • Employed to generate a new sequence y[n] with a sampling rate F’T higher or lower than that of the sampling rate FT of a given sequence x[n] • Sampling rate alteration ratio is R= F’T / FT • If R > 1, the process called interpolation • If R < 1, the process called decimation