Glossary entry (derived from question below)
English term or phrase:
"de-beaming" or "rollind off the beam"
Italian translation:
attenuazione del fascio
English term
"de-beaming" or "rollind off the beam"
"Brass instruments develop flaring jelly-like trails as they move. Deliberately causing and exaggerating this effect is known as "de-beaming" or "rolling off the beam".
| 5 | attenuazione del fascio |
Claudio Porcellana (X)
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Sep 17, 2006 21:28: changed "Kudoz queue" from "In queue" to "Public"
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PRO (3): Fabiola Mancinelli, Claudio Porcellana (X), Liliana Roman-Hamilton
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Proposed translations
attenuazione del fascio
The next effect to be considered is known as de-beaming or beam limiting. Basically, the electron beam that scans across the photosensitive coating of the television tube must be reasonably strong to cause a proper image to be produced. If this beam is weakened to neutralise the pattern of charge on the screen then the while highlight areas are the areas to first suffer, depending on the actual current available. The effect of this is to cause the highlights to appear masked out, lacking in sharpness and intensity. And for moving highlights to be retained, resulting in a prolonged smearing known as 'puddling'. This effect can be deliberately exploited and is known as de-beaming. In the colour television camera there are the three tubes, one for each of the red, green and blue primary colours. De-beaming is possible on each colour independently or any combination.
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