Real-time, realtime, or real time may refer to:

Computing

Real-time computing Real-time computing (RTC) is the computer science term for hardware and software systems subject to a "real-time constraint", for example from event to system response. Real-time programs must guarantee response within specified time constrai ...

, hardware and software systems subject to a specified time constraint *

Real-time clock A real-time clock (RTC) is an electronic device (most often in the form of an integrated circuit) that measures the passage of time. Although the term often refers to the devices in personal computers, servers and embedded systems, RTCs are pr ...

, a computer clock that keeps track of the current time *

Real-time Control System Real-time Control System (RCS) is a reference model architecture, suitable for many software-intensive, real-time computing control problem domains. It defines the types of functions needed in a real-time intelligent control system, and how these ...

, a reference model architecture suitable for software-intensive, real-time computing * Real-time Programming Language, a compiled database programming language which expresses work to be done by a particular time

Applications

Real-time computer graphics Real-time computer graphics or real-time rendering is the sub-field of computer graphics focused on producing and analyzing images in real time. The term can refer to anything from rendering an application's graphical user interface (GUI) to ...

, sub-field of computer graphics focused on producing and analyzing images in real time *

Real-time camera In 3D video games, a virtual camera system aims at controlling a camera or a set of cameras to display a view of a 3D virtual world. Camera systems are used in video games where their purpose is to show the action at the best possible angle; m ...

, for controlling views in a 3D virtual environment *

Real-time communication Real-time communication (RTC) is a category of software protocols and communication hardware media that gives real-time guarantees, which is necessary to support real-time guarantees of real-time computing.Sharad Sundaresan; Riccardo Bettati"Distr ...

, for interactive communication *

Real-time operating system A real-time operating system (RTOS) is an operating system (OS) for real-time applications that processes data and events that have critically defined time constraints. An RTOS is distinct from a time-sharing operating system, such as Unix, which m ...

, for running real-time software *

Real-time protection Antivirus software (abbreviated to AV software), also known as anti-malware, is a computer program used to prevent, detect, and remove malware. Antivirus software was originally developed to detect and remove computer viruses, hence the nam ...

, protection enabled constantly, rather than by, say, a virus scan *

Real-time text Real-time text (RTT) is text transmitted instantly as it is typed or created. Recipients can immediately read the message while it is being written, without waiting. Real-time text is used for conversational text, in collaboration, and in live cap ...

, transmitted as it is being typed or produced *

Real time Java Real time Java is a catch-all term for a combination of technologies that enables programmers to write programs that meet the demands of real-time systems in the Java programming language. Java's sophisticated memory management, native support fo ...

, for real-time programs in

Java Java (; id, Jawa, ; jv, ꦗꦮ; su, ) is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea to the north. With a population of 151.6 million people, Java is the world's List ...

Real-time disk encryption Disk encryption is a technology which protects information by converting it into unreadable code that cannot be deciphered easily by unauthorized people. Disk encryption uses disk encryption software or hardware to encrypt every bit of data that g ...

, encrypting data as it is written to disk *

Real-time web The real-time web is a computer network, network web using technologies and practices that enable users to receive information as soon as it is published by its authors, rather than requiring that they or their software check a source periodicall ...

, whereby information is sent to users as it becomes available *

Live streaming Livestreaming is streaming media simultaneously recorded and broadcast in real-time over the internet. It is often referred to simply as streaming. Non-live media such as video-on-demand, vlogs, and YouTube videos are technically streamed, but no ...

, continuously delivering multimedia as the depicted events are happening *

Real-Time Streaming Protocol The Real Time Streaming Protocol (RTSP) is an application-level network protocol designed for multiplexing and packetizing multimedia transport streams (such as interactive media, video and audio) over a suitable transport protocol. RTSP is us ...

internet protocol The Internet Protocol (IP) is the network layer communications protocol in the Internet protocol suite for relaying datagrams across network boundaries. Its routing function enables internetworking, and essentially establishes the Internet. IP h ...

for real-time media streaming *

Collaborative real-time editor A collaborative real-time editor is a type of collaborative software or web application which enables real-time collaborative editing, simultaneous editing, or live editing of the same digital document, computer file or cloud-stored data – suc ...

, simultaneous editing of a document by several users *

Real-time simulation Real-time simulation refers to a computer model of a physical system that can execute at the same rate as actual "wall clock" time. In other words, the computer model runs at the same rate as the actual physical system. For example, if a tank tak ...

, simulation able to run at the same rate as reality *

Real-time blackhole list A Domain Name System blocklist, Domain Name System-based blackhole list, Domain Name System blacklist (DNSBL) or real-time blackhole list (RBL) is a service for operation of mail servers to perform a check via a Domain Name System (DNS) query whe ...

, a

DNS The Domain Name System (DNS) is a hierarchical and distributed naming system for computers, services, and other resources in the Internet or other Internet Protocol (IP) networks. It associates various information with domain names assigned to ...

blacklist * Real-time Cmix, a music

programming language A programming language is a system of notation for writing computer programs. Most programming languages are text-based formal languages, but they may also be graphical. They are a kind of computer language. The description of a programming ...

* Real-Time AudioSuite, audio plug-in software for Avid Pro Tools

Other science and technology

* Real-time locating system, a system used to automatically identify and track the location of objects or people in real time *

Real-time gross settlement Real-time gross settlement (RTGS) systems are specialist Electronic funds transfer, funds transfer systems where the transfer of money or securities takes place from one bank to any other bank on a "real-time" and on a "gross (economics), gross" ba ...

, an online system for settling financial transactions *

Real-time kinematic Real-time kinematic positioning (RTK) is the application of surveying to correct for common errors in current satellite navigation (GNSS) systems. It uses measurements of the phase of the signal's carrier wave in addition to the information con ...

, a satellite navigation technique *

Real-time polymerase chain reaction A real-time polymerase chain reaction (real-time PCR, or qPCR) is a laboratory technique of molecular biology based on the polymerase chain reaction (PCR). It monitors the amplification of a targeted DNA molecule during the PCR (i.e., in real ...

, a laboratory technique which monitors target DNA during the PCR

Companies

Realtime Associates Realtime Associates is an American video game developer and publisher. The company was founded in 1986 by David Warhol and a group of ex-Mattel Electronics employees originally to create games for the Intellivision system. Since then, the compa ...

, an American video game developer *

Realtime Games Software Realtime Games Software Ltd. was a British computer game developer, founded in 1984 by three Leeds University students Ian Oliver, Andrew Onions, and Graeme Baird. Their first game, ''3D Tank Duel'', was a wireframe graphics game, in the style ...

, a defunct British video game developer *

Realtime Gaming Realtime Gaming (RTG) is an online casino company developing download-based casino software, licensed by various operators running their owbranded RTG-powered casino sites The company was established in Atlanta, Georgia in 1998, but moved all develo ...

, a company that develops gambling software *

Realtime Worlds Realtime Worlds Ltd. was a British video game developer based in Dundee, Scotland. The company was founded by David Jones in 2002. After developing ''Crackdown'' (2007) and '' APB: All Points Bulletin'' (2009), Realtime Worlds filed for admini ...

, a Scottish game developer

Film, television and radio

* Real time (media), a method where events are portrayed at the same rate at which the characters experience them * ''Real Time'' (Doctor Who), a webcast * ''Real Time'' (film), a 2008 film * ''RealTime'' (radio show), a radio show on CBC 2 *

Real Time (TV channel) Real Time (Discovery Real Time until August 31, 2010) is an Italian television channel owned by Warner Bros. Discovery EMEA. The channel launched on October 1, 2005, becoming the sixth Discovery network to launch in Italy. It showed lifestyle pro ...

, an Italian television channel * ''

Real Time with Bill Maher ''Real Time with Bill Maher'' is an American television talk show that airs weekly on HBO, hosted by comedian and political satirist Bill Maher. Much like his previous series ''Politically Incorrect'' on Comedy Central and later on ABC, ''Real ...

'', a talk show on HBO

Music

* ''Real Time'' (The Jazztet album), 1986, by the Art Farmer/Benny Golson Jazztet * ''Real Time'' (Steam album), 1996 * ''Real Time'' (Van der Graaf Generator album), 2007 * ''Realtime'' (C:Real album), 1997 * ''Realtime'' (Shapeshifter album), 2001 *

Realtime (quartet) Realtime is a barbershop quartet that won the Barbershop Harmony Society's International Quartet Championship in 2005. They finished seventh-place the previous year (the first ever top-ten finish for a western-Canadian quartet). Lead singer John ...

, a barbershop quartet

Art and literature

*''Real Time'' (2004), a novel by Pnina Moed Kass * ''

RealTime ''RealTime'', also known as ''RealTime Arts'', was a free Australian arts magazine, published by Open City in print from 1994 until 2015 and online from 1996 to December 2017. History The free national arts magazine ''RealTime'', also known as ...

'', an Australian arts magazine * Real Time (art series), a series of clocks by Maarten Baas