Overlap Add Method (OAM) and Overlap Save Method (OSM)
are the techniques used for filtering of long input data sequence x[n] with
finite impulse response h[n].In OAM the output
sequence is found in which the input sequence is divided in 'L' point blocks. Whereas in
OSM block length ='N'. As the input signal is processed block by block , they are
also called as Block Processing techniques. This also reduces the delay of
processing.Both the techniques require same computational time
Well explained
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ReplyDeleteOSM is better than OAM as it is faster.
ReplyDeleteOSM is preferred for real time applications!
ReplyDeleteOAM and OSM are efficient ways to calculate convolution between very long signal x[n] and finite impulse response h[n].
ReplyDeleteOAm has lesser computations
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