Digital signal overflow correction apparatus

Details Digital signal overflow correction apparatus Digital signal overflow correction apparatus

H - Electricity

04

N

354/148, 350/57

H04N 9/00 (2006.01) G06F 7/48 (2006.01) H04N 11/04 (2006.01)

Patent

CA 1249666

ABSTRACT OF THE DISCLOSURE When a positive or a negative overflow error condition is encountered, the present invention substitutes the most positive or most negative value for the erroneous sample. The sign bit of a potentially erroneous value is inverted to form the MSB of the substitute value, and this value is, in turn, inverted and expanded to form the n-1 LSB's of the substitute value. If an overflow error condition is detected, the erroneous value is replaced by the substitute value.

514636

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