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词汇 black level
释义

Definition of black level in English:

black level

noun
Television
  • The level of the picture signal that corresponds to black in the transmitted picture.

Origin

1930s; earliest use found in Proceedings of the Institute of Radio Engineers.

Definition of black level in US English:

black level

noun
Television
  • The level of the picture signal that corresponds to black in the transmitted picture.

Origin

1930s; earliest use found in Proceedings of the Institute of Radio Engineers.

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