FIELD: physics.
SUBSTANCE: tracking (S11) sign changes between the corresponding conversion factors of predefined sub-vectors of successive good stationary frames; accumulating (S12) the number of sign changes in the respective sub-vectors of a predetermined number of successive good stationary frames; reconstructing (S13) the error frame with the help of the last good stationary frame, but with the reverse signs of the transformation coefficients in the sub-vectors having the accumulated number of sign changes that exceeds the predetermined threshold.
EFFECT: improved masking of errors in frames due to the lack of transmission of additional third-party parameters or the formation of additional delays required by interpolation.
12 cl, 16 dwg, 1 tbl
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