1.

What is the process of increasing the sampling rate by a factor I?(a) Sampling rate conversion(b) Interpolation(c) Decimation(d) None of the mentionedThe question was asked in an interview.My question is taken from Multirate Digital Signal Processing in section Multirate Digital Signal Procesing of Digital Signal Processing

Answer»

The CORRECT answer is (b) INTERPOLATION

Best explanation: The process of INCREASING the sampling rate by an integer FACTOR I, i.e., up-sampling by I is CALLED as interpolation.



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