ATIS Telecom Glossary
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1.Black level expressed as an offset in voltage or IRE units relative to blanking level. Conventionally, approximately 54 mV (7.5 IRE) in system M as defined by ANSI/EIA/TIA 250-C; conventionally zero in all other systems. [After SMPTE] 2. See blanking level.

 

 

 

 

 

 

 

 

 

 



 
These definitions were prepared by ATIS Committee PRQC
 
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