英语词汇“vertical interval reference”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	vertical interval reference
释义	vertical interval reference vertical interval reference [′vərd·ə·kəl ¦in·tər·vəl ′ref·rəns] (electronics) A reference signal inserted into a television program signal every ¹⁄₆₀ second, in line 19 of the vertical blanking period between television frames, to provide references for luminance amplitude, black-level amplitude, sync amplitude, chrominance amplitude, and color-burst amplitude and phase. Abbreviated VIR.
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