DSO may refer to:

Organisations

Defence Science Organisation DSO National Laboratories (DSO) is a national defence research and development organisation in Singapore developing technological solutions for defence and national security. Founded as the Electronics Test Centre (ETC), it was established in 1972 ...

, now known as DSO National Laboratories, Singapore * Defense Sciences Office, part of the US Defense Advanced Research Projects Agency * Directorate of Special Operations, a South African law-enforcement agency *

Direct service organisation A direct service organisation or direct labour organisation (DSO or DLO) is a business unit of a United Kingdom local authority or social landlord (housing association) which undertakes work specified by the Local Government Act 1988Department for ...

, a business unit of a United Kingdom local authority * Groupe DSO, an Australian headquartered business cooperative

Orchestras

Dallas Symphony Orchestra The Dallas Symphony Orchestra (DSO) is an American orchestra based in Dallas, Texas. Its principal performing venue is the Morton H. Meyerson Symphony Center in the Arts District, Dallas, Arts District of downtown Dallas. History The orchestra tr ...

Denver Symphony Orchestra The Denver Symphony Orchestra, established in 1934 and dissolved in 1989, was a professional American orchestra in Denver, Colorado Until 1978, when the Boettcher Concert Hall was built to house the symphony orchestra, it performed in a successi ...

Detroit Symphony Orchestra The Detroit Symphony Orchestra (DSO) is an American orchestra based in Detroit, Detroit, Michigan. Its primary performance venue is Orchestra Hall (Detroit, Michigan), Orchestra Hall at the Max M. Fisher Music Center in Detroit's Midtown, Detroit, ...

* Diablo Swing Orchestra * Dubuque Symphony Orchestra, in Dubuque, Iowa *

Darwin Symphony Orchestra The Darwin Symphony Orchestra (DSO) is an orchestra based in Darwin, Northern Territory, Australia, founded by Martin Jarvis. The DSO gave its first concert in 1989. The Orchestra receives funding from the Northern Territory Government and su ...

, in Darwin, Northern Territory, Australia *

Deutsches Symphonie-Orchester Berlin The Deutsches Symphonie-Orchester Berlin (DSO) is a German broadcast orchestra based in Berlin. The orchestra An orchestra (; ) is a large instrumental ensemble typical of classical music, which combines instruments from different families ...

, in Berlin, Germany * Dubrovnik Symphony Orchestra, in Dubrovnik, Croatia *

Dark Star Orchestra Dark Star Orchestra is a Grateful Dead cover band formed in Chicago, Chicago, Illinois. They serve now as an tribute band, international touring tribute band to the rock group the Grateful Dead. Since 1997, the band has been "celebrating the Gra ...

, in Chicago, Illinois, United States * Dunedin Symphony Orchestra, New Zealand

Technology

* Digital sampling

oscilloscope An oscilloscope (formerly known as an oscillograph, informally scope or O-scope) is a type of electronic test instrument that graphically displays varying voltages of one or more signals as a function of time. Their main purpose is capturing i ...

, samples measurements and displays or stores them *

Digital storage oscilloscope A digital storage oscilloscope (DSO) is an oscilloscope which stores and analyses the input signal Digital data, digitally rather than using Analog signal, analog techniques. It is now the most common type of oscilloscope in use because of the a ...

, which stores and analyses the signal digitally * Direct sparse odometry, a machine vision algorithm for

simultaneous localization and mapping Simultaneous localization and mapping (SLAM) is the computational problem of constructing or updating a map of an unknown environment while simultaneously keeping track of an Intelligent agent, agent's location within it. While this initially ap ...

* Dynamic shared object, in computing * ''

Drakensang Online ''Drakensang Online'' is a freemium online role-playing video game developed and published by Bigpoint for Microsoft Windows and macOS. The title was in an open beta phase from August 2011 to July 2012. A retail version was released in Novembe ...

'', the online computer game

Astronomy

Dark Sky Observatory The Dark Sky Observatory (DSO) is an astronomical observatory owned and operated by Appalachian State University (ASU). It is located east of Deep Gap, North Carolina (USA), off of the Blue Ridge Parkway, and east of the ASU campus in Boone, N ...

, Appalachian State University (ASU) facility *

Deep-sky object A deep-sky object (DSO) is any astronomical object that is not an individual star or Solar System object (such as Sun, Moon, planet, comet, etc.). The classification is used for the most part by amateur astronomers to denote visually observed fa ...

, in astronomy

Other uses

* Distinguished Service Order (disambiguation), several decorations *

, a Grateful Dead cover band formed in Chicago, Illinois * Diablo Swing Orchestra, a Swedish avant-garde metal band *

Digital switchover Digital usually refers to something using discrete digits, often binary digits. Businesses *Digital bank, a form of financial institution *Digital Equipment Corporation (DEC) or Digital, a computer company *Digital Research (DR or DRI), a software ...

* Dental service organizations *

Days sales outstanding In accountancy, days sales outstanding (also called DSO and days receivables) is a calculation used by a company to estimate the size of their outstanding accounts receivable. It measures this size not in units of currency, but in average sales da ...

, in accountancy * Direct shipping ore, iron ore that can be shipped directly to a steel furnace * Distribution system operators, in energy systems * Diving safety officer, an administrator of United States university's research diving safety program * Defensive Systems Officer, a member of the flight crew responsible for defensive systems * Dubai Silicon Oasis, a free-trade zone in

Dubai Dubai (Help:IPA/English, /duːˈbaɪ/ Help:Pronunciation respelling key, ''doo-BYE''; Modern Standard Arabic, Modern Standard Arabic: ; Emirati Arabic, Emirati Arabic: , Romanization of Arabic, romanized: Help:IPA/English, /diˈbej/) is the Lis ...

* Dobbertin Surface Orbiter, an amphibious vehicle * Domestic security officer serving as

riot police Riot police are police who are organized, deployed, trained or equipped to confront crowds, protests or riots. Riot police may be regular police officers who act in the role of riot police in particular situations, or they may be separate unit ...

* Sondok Airport, IATA airport code {{disambiguation