Claims
- 1. A video system (100), comprising:
a chrominance processing arrangement (200), including:
a burst accumulator (240) operative to detect a polarity inversion within a burst interval associated with a horizontal line of video information, and generate at least one output signal that compensates for the detected polarity inversion.
- 2. The video system (100) of claim 1, further comprising:
an oscillator (250); and wherein the at least one output signal of the burst accumulator (240) controls the oscillator (250).
- 3. The video system (100) of claim 1, further comprising:
color control circuitry (260); and wherein the at least one output signal of the burst accumulator (240) controls the color control circuitry (260).
- 4. The video system (100) of claim 3, further comprising:
an amplifier (210) operative to amplify an input chrominance signal (“Chroma”) and generate a gain-adjusted chrominance signal; and wherein the color control circuitry (260) generates a control signal to control the amplifier (210).
- 5. The video system (100) of claim 4, further comprising:
a chrominance demodulator (220) operative to process the gain-adjusted chrominance signal and generate at least one demodulated chrominance signal.
- 6. The video system (100) of claim 5, further comprising:
an oscillator (250) operative to generate phase signals; and wherein the at least one output signal of the burst accumulator (240) controls the oscillator (250), and the phase signals of the oscillator (250) control the chrominance demodulator (220).
- 7. The video system (100) of claim 1, wherein:
the burst accumulator (240) comprises a plurality of accumulators (305, 310) for generating at least two values; and the at least one output signal is generated in response to comparing signs of the at least two values.
- 8. A chrominance processing arrangement (200), comprising:
means (240) for detecting a polarity inversion within a burst interval associated with a horizontal line of video information, and for generating at least one output signal that compensates for the detected polarity inversion.
- 9. The chrominance processing arrangement (200) of claim 8, further comprising:
oscillating means (250) for generating phase signals; and wherein the at least one output signal of the burst accumulating means (240) controls the oscillating means (250).
- 10. The chrominance processing arrangement (200) of claim 8, further comprising:
color control means (260) for enabling a color control operation; and wherein the at least one output signal of the burst accumulating means (240) controls the color control means (260).
- 11. The chrominance processing arrangement (200) of claim 10, further comprising:
amplifying means (210) for amplifying an input chrominance signal (“Chroma”) to generate a gain-adjusted chrominance signal; and wherein the color control means (260) generates a control signal to control the amplifying means (210).
- 12. The chrominance processing arrangement (200) of claim 11, further comprising:
chrominance demodulating means (220) for processing the gain-adjusted chrominance signal to generate at least one demodulated chrominance signal.
- 13. The chrominance processing arrangement (200) of claim 12, further comprising:
oscillating means (250) for generating phase signals; and wherein the at least one output signal of the burst accumulating means (240) controls the oscillating means (250), and the phase signals of the oscillating means (250) control the chrominance demodulating means (220).
- 14. The chrominance processing arrangement (200) of claim 8, wherein
the means (240) comprises a plurality of accumulators (305, 310) for generating at least two values; and the at least one output signal is generated in response to comparing signs of the at least two values.
- 15. A method for processing chrominance signals in a video system (100), comprising steps of:
detecting from the chominance signals a polarity inversion within a burst interval associated with a horizontal line of video information; and generating at least one output signal that compensates for the detected polarity inversion.
- 16. The method of claim 15, wherein the at least one output signal controls an oscillator (250) of the video system (100).
- 17. The method of claim 15, wherein the at least one output signal controls color control circuitry (260) of the video system (100).
- 18. The method of claim 17, further comprising steps of:
amplifying an input chrominance signal (“Chroma”) to generate a gain-adjusted chrominance signal; and generating a control signal via the color control circuitry (260) to control amplification of the input chrominance signal (“Chroma”).
- 19. The method of claim 18, further comprising a step of:
processing the gain-adjusted chrominance signal to generate at least one demodulated chrominance signal.
- 20. The method of claim 19, further comprising steps of:
generating phase signals in dependence upon the at least one output signal; and controlling processing of the gain-adjusted chrominance signal in dependence upon the phase signals.
Parent Case Info
[0001] This application claims priority to and all benefits accruing from a provisional application filed in the United States Patent and Trademark Office on Dec. 12, 2001, and there assigned serial No. 60/341,115.
Provisional Applications (1)
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Number |
Date |
Country |
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60341115 |
Dec 2001 |
US |