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test02_01 - Y R V Y B U B G R Y-=-= = 11 59 3 2.1 Compute...

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Test on Audio Visual Engineering Date: 1st March 2002 Time: 7:00pm to 8:00pm Answer ALL questions Question 1 1.1 Describe, with the aid of phasor diagrams, how the phase error in the chrominance components is compensated in the PAL system. 1.2 Explain with a block diagram how the process outlined in 1.1 can be implemented in practice. Question 2 The basic RGB to YUV transform is given by:
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Unformatted text preview: Y R V Y B U B . G . R . Y-=-= + + = 11 59 3 2.1 Compute the magnitude V R and V B of the signal corresponding to the RED and BLUE colors in the composite video signal. Assuming that amplitude and saturation of both colors are 100%. 2.2 Deduce the weightings to be applied on U and V so that V R = V B = -0.33 unit. V B V R...
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