| http://www.w3.org/ns/prov#value | - An improved method of speech coding as set forth in claim 1 wherein the time shift T is determined using a matching criterion defined as ##EQU8## wherein (r(n-T)) is the residual signal of the current frame shifted by time T, r(n-D(n)) is the delayed residual signal from a previously-occurring frame, n is a positive integer, r is the instantaneous amplitude of the residual signal, and D(n) represe
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