| 21. | The 4 : 2 : 2 chrominance format indicates that half the chrominance values have been deleted.
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| 22. | If no chrominance values have been deleted, the chrominance format is 4 : 4 : 4.
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| 23. | If no chrominance values have been deleted, the chrominance format is 4 : 4 : 4.
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| 24. | In the second arm, the chrominance signal bypasses the Zener diode through a band pass filter.
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| 25. | It was necessary to assign a narrower bandwidth to the chrominance channel because there was no additional bandwidth available.
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| 26. | Conventional monochrome TV sets will accept this signal as if there were no chrominance or burst signals at all.
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| 27. | Markers indicating luminence or chrominance _ definitions of brightness and color, respectively _ are limited to a predetermined amount.
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| 28. | RCA worked along different lines entirely, using the luminance-chrominance system first introduced by Georges Valensi in 1938.
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| 29. | Another common practice to reduce the data rate is to " thin out " or subsample the two chrominance planes.
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| 30. | The 4 : 2 : 0 chrominance format indicates that three-quarters of the chrominance values have been deleted.
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