Problem

The analysis filter in a two-channel QMF has the transfer function (a) Determi...

The analysis filter in a two-channel QMF has the transfer function

(a) Determine the polyphase filters

(b) Determine the analysis filter and sketch the two-channel analysis section that employs polyphase filters.

(c) Determine the synthesis filters and sketch the entire two-channel QMF based on polyphase filters.

(d) Show that the QMF bank results in perfect reconstruction.

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Solutions For Problems in Chapter 11