Decibels (db)

EN: Decibels (db, db)


A unit used to express differences in electrical or acoustical signals including, for example, how noisy a motion picture camera or airplane is, or how much Gain a dark location requires. Formula: Equal to 10 times the logarithm of the two levels. Also see: Gain; and White Balance.
Tiffan edu Glossary



Decibels (db)

Logarithmic scale used to describe phenomena taking a large range of values. Decibels are not a unit and always describe the ratio to a reference value like Signal to Noise Ratio.

Cel Mai folosit cuvant: describe | Domeniu Aplicare : Fotografie digitala si IT | Caractere: 147 Cuvinte: 31 | Limba: Engleza | Sursa DXO Glossary