In a predictive encoding circuit the transmission of prediction errors to the predictive decoding circuit is selectively suppressed and prediction errors having a predetermined value are applied to the prediction circuit in both the encoding circuit and in the decoding circuit, instead of the non-transmitted...http://www.google.ca/patents/US4953024?utm_source=gb-gplus-sharePatent US4953024 - A predictive picture encoding circuit which selectively suppresses and replaces prediction error valves, and a corresponding predictive decoding circuit
