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Methods and Devices of Using a 26 MHz Clock to Encode Videos

  • US 20080062312A1
  • Filed: 09/13/2006
  • Published: 03/13/2008
  • Est. Priority Date: 09/13/2006
  • Status: Abandoned Application
First Claim
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1. An encoding device capable of using a 26 MHz clock frequency to encode luminance and chrominance data of digital video data, the device comprising:

  • an input clock operating at the 26 MHz clock frequency;

    a re-sampling module to extend a first number of data per line to a second number of data per line, wherein the first number of data and the second number of data are the luminance and the chrominance data to be encoded;

    a color subcarrier generator driven by the input clock to generate color subcarrier signals, the chrominance data from the re-sampling module are modulated by the color subcarrier signals, wherein modulated chrominance data are eventually combined with the luminance data from the re-sampling module; and

    a digital to analog converter (DAC) to convert the modulated chrominance data which are eventually combined with the luminance data from the re-sampling module into analog signals.

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