DB may refer to:

In science and technology:

  • Decibel (dB), a logarithmic unit of measurement in acoustics and electronics
  • Dubnium (Db), a chemical element
  • DB connector, a size of D-subminiature electrical connector
  • Berkeley DB, a cross-platform embedded database library
  • .db, a database file extension

In entertainment:

  • D♭ (musical note)
  • Daily Bugle, a fictional New York City newspaper
  • The dB's, a power pop band from the 1980s
  • DJ DB, a New York based drum 'n' bass dj

In locations:

  • Daytona Beach, Florida
  • Diamond Bar, California
  • Discovery Bay, a residential development in Hong Kong
  • Dobyns Bennett High School, a high school in Kingsport, Tennessee, USA
  • Dâmboviţa County, a county in Romania, ISO 3166-2:RO code

In business:

  • DB Breweries, a New Zealand company
  • DB Medialab, a Norwegian online media company owned by the newspaper Dagbladet
  • DB Records, a label in Atlanta, Georgia, USA
  • Deutsche Bank, a German bank
  • Diamond Bank of Nigeria
  • Doing Business Report by the World Bank Group
  • Defined benefit pension plan a scheme for retirement plans

In transportation:

  • DB Draw, a bridge over the Passaic River, USA
  • DB (car), a French automobile maker
  • Deutsche Bundesbahn, the national railway company of the Federal Republic of Germany from 1949 until 1994
  • Deutsche Bahn, the major German railway company since 1994
  • David Brown (entrepreneur), one-time owner of car manufacturer Aston Martin, several of whose products carried his initials
  • Dublin Bus, the principal bus operator in the Geater Dublin Area of Ireland

In other uses:

  • db.no, the online version of the Norwegian newspaper Dagbladet
  • ȸ, the db-digraph a ligature of "d" and "b" in African linguistics
  • Defensive back, a position in American football and Canadian football
  • dyne:bolic, a GNU/Linux distribution
  • douche bag, a general insult, especially when texting or other communication media
  • D. B. Cooper, a hijacker

Other articles related to "db":

Crest Factor - Digital Multimeters
... For example, for a sine wave the 1.414 ratio is 20 log(1.414) or 3 dB ... Most ambient noise has a crest factor of around 10 dB while impulsive sounds such as gunshots can have crest factors of over 30 dB ...
Health Effects From Noise - Regulations
... noise regulations usually specify a maximum outdoor noise level of 60 to 65 dB(A), while occupational safety organizations recommend that the maximum ... For every additional 3 dB(A), the maximum exposure time is reduced by a factor 2, e.g. 20 hours per week at 88 dB(A) ...
Health Effects From Noise - Annoyance
... Even sound levels as low as 40 dB(A) (about as loud as a refrigerator or library) can generate noise complaints and the lower threshold for noise producing sleep disturbance is 45 dB(A) or lower ... The older dB(A) weighting filter described above is used widely in the U.S ... Therefore different filters, such as dB(B) and dB(C), may be recommended for specific situations ...
DB Class 120
... The DB Baureihe 120 is a class of electric locomotives operated by DB Fernverkehr in Germany ...
2009 Bowling Green Falcons Football Team - Preseason - Key Losses
... Adrian Baker (DE) Diyral Briggs (DL) Nick Davis (DL) Erique Dozier (LB) Giovanni Fillari (DB) John Haneline (LB) Kenny Lewis (DB) Michael Ream (DL)*† Joe ...