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Low-cost video decoder with 2D2L comb filter for NTSC digital TVs

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3 Author(s)
Chua-Chin Wang ; Dept. of Electr. Eng., Nat. Sun Yat-Sen Univ., Kaohsiung, Taiwan ; Ching-Li Lee ; Ming-Kai Chang

A low-cost video decoder for NTSC signals is present in This work. The proposed NTSC video decoder design employs a 2D2L comb filter, and a DDFS-based DCO (digital control oscillator) basing upon trigonometric quadruple angle formula in a digital PLL to track and lock the demodulation clocks. The complexity of the digital video decoder, hence, is drastically reduced.

Published in:

Consumer Electronics, 2005. ICCE. 2005 Digest of Technical Papers. International Conference on

Date of Conference:

8-12 Jan. 2005