Clamp level setting method for television signals

Details Clamp level setting method for television signals Clamp level setting method for television signals

H - Electricity

04

N

350/40

H04N 5/14 (2006.01) H04N 5/18 (2006.01) H04N 7/26 (2006.01) H04N 7/32 (2006.01)

Patent

CA 2012298

ABSTRACT A clamp level setting method for clamping the level of a predetermined position in a television signal to a predeter- mined clamp level is described. The method is suitable for a television signal encoder having an analog to digital converter and several quantizers. The predetermined clamp level is set to a level such that the television signal is within the dynamic range of the A/D converter and the quantization error by the quantizer having the largest quantization step size among the several quantizers is minimized.

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