Analysis/Synthesis and Analysis by Synthesis Schemes
18.1 Overview
Analysis/synthesis schemes rely on the availability of a parametric model of the source output generation. When such a model exists, the transmitter analyzes the source output and extracts the model parameters, which are transmitted to the receiver. The receiver uses the model along with the transmitted parameters to synthesize an approximation to the source output. The difference between this approach and the techniques we have looked at in previous chapters is that what is transmitted is not a direct representation of the samples of the source output; instead, the transmitter informs the receiver how to go about regenerating those outputs. For this approach to work, a good ...
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