供应代理TW2866方案

The TW2866 isTechwell’s second-generation 4-in-1 video decoder and audio codec plus videoencoder for security surveillance applications. The device includes four highquality NTSC/PAL/SECAM video decoders that convert analog composite videosignal to digital component YCbCr data. Each channel contains a 10-bit ADC andproprietary clamp/gain controller and utilizes 4H comb flter for separatingluminance & chrominance to reduce cross noise artifacts. The TW2868 adoptsimage enhancement techniques such as IF compensation flter, CTI andprogrammable peaking. In addition, TW2868 includes one NTSC/PAL video encoderwith two 10-bit DACs to support CVBS and YC output. The TW2868 also includes anaudio codec which has fve audio ADCs and one DAC. A built-in audio controllercan generate digital outputs for recording/mixing and accepts digital input forplayback.

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