predictive coder

predictive coder

[prə‚dik·tiv ′kō·dər]
(communications)
Any technique for compressing audio or video signals in which a synthesizer at the receiver is controlled by signal parameters extracted at the transmitter to remake the signal. Also known as predictive encoder.
References in periodicals archive ?
Potentially, the multiscale aspect of compatibly extend a predictive coder to higher bandwidths and higher resolution images.
To the extent that a purely predictive coder is the best conservator of bandwidth, deviations from this paragon entail some loss of quality.
In a predictive coder, for example, the prediction is derived from the difference between the actual input frame and the reconstructed previous image.

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