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Techwell
Security Surveillance IC Solutions
Target Applications – Embedded DVR – Video Server – DVR PCI Card
4-Channel Video Decoder and Audio Codec plus Video Encoder for Security Applications
TW2866
The TW2866 is Techwell’s second-generation 4-in-1 video decoder and audio codec plus video encoder for security surveillance applications. The device includes four high quality NTSC/PAL/SECAM video decoders that convert analog composite video signal to digital component YCbCr data. Each channel contains a 10-bit ADC and proprietary clamp/gain controller and utilizes 4H comb filter for separating luminance & chrominance to reduce cross noise artifacts. The TW2866 adopts image enhancement techniques such as IF compensation filter, CTI and programmable peaking.