REPLAY is a management system for audiovisual content developed at

ETH Zurich (colloquially) , former_name = eidgenössische polytechnische Schule , image = ETHZ.JPG , image_size = , established = , type = Public , budget = CHF 1.896 billion (2021) , rector = Günther Dissertori , president = Joël Mesot , ac ...

Background

REPLAY was developed as the future Multimedia Portal of

within the scope of the

ICT ICT may refer to: Sciences and technology * Information and communications technology * Image Constraint Token, in video processing * Immunochromatographic test, a rapid immunoassay used to detect diseases such as anthrax * In-circuit test, in ...

strategy 2006–2009 and got branded „REPLAY“ in 2007. It is to manage the audiovisual content of

from production to distribution in an automated manner.

Application area

The main focus of REPLAY is the quasi-automated handling of large number of

lecture recording Lecture recording refers to the process of recording and archiving the content of a lecture, conference, or seminar. It consists of hardware and software components that work in synergy to record audio and visual components of the lecture. It is wi ...

s (>150 per week) and to provide an integrated management solution for other video objects (films,

digitization DigitizationTech Target. (2011, April). Definition: digitization. ''WhatIs.com''. Retrieved December 15, 2021, from https://whatis.techtarget.com/definition/digitization is the process of converting information into a Digital data, digital (i ...

results etc.). Thus, it covers all the audiovisual material usually to be found in academic and other institutions (museums, companies etc.).

Workflow

REPLAY covers the complete lifecycle of the audiovisual objects: In the classroom / lecture hall, the

Linux Linux ( or ) is a family of open-source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991, by Linus Torvalds. Linux is typically packaged as a Linux distribution, which ...

-based Playmobil as an additional hardware component automatically captures audio, video, and

VGA Video Graphics Array (VGA) is a video display controller and accompanying de facto graphics standard, first introduced with the IBM PS/2 line of computers in 1987, which became ubiquitous in the PC industry within three years. The term can now ...

(for slides/presentations/computer display/other devices). After the lecture, these sources are bundled with metadata and proceeded into the REPLAY backend. Other video material can be ingested through an inbox. All bundles are then: * archived, * indexed (based on slide content, using

Optical Character Recognition Optical character recognition or optical character reader (OCR) is the electronic or mechanical conversion of images of typed, handwritten or printed text into machine-encoded text, whether from a scanned document, a photo of a document, a scen ...

), * encoded according to settings and * distributed in various channels (

RSS RSS ( RDF Site Summary or Really Simple Syndication) is a web feed that allows users and applications to access updates to websites in a standardized, computer-readable format. Subscribing to RSS feeds can allow a user to keep track of many di ...

, streaming, download etc.) One of the distribution channels is Interplay, a user interface designed for interactive consumption of video.

Qualities

REPLAY is written 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 ...

open source Open source is source code that is made freely available for possible modification and redistribution. Products include permission to use the source code, design documents, or content of the product. The open-source model is a decentralized sof ...

and oriented towards standards wherever possible. It is modular in design and envisaged to run on a singular machine as well as in a distributed environment.

License

REPLAY is

under GNU LGPL license version 2.

Development

Development website
Replay has been developed towards release 0.7 (March 2009); as of June 2009 the project has ended and support was suspended by the end of 2009. Efforts around REPLAY and its technology are being transferred to the

Opencast Matterhorn Opencast (formerly known as Opencast Matterhorn) is a free, open-source software for automated video capture, processing, managing, and distribution. Opencast is built by a community of developers in collaboration with leading universities ...

project.

References

External links

Official website

Project website

Article from the proceedings of the 36th annual ACM SIGUCCS conferenceThe WSU eLearner blog on REPLAYThe ICT en Onderwijs blog on REPLAY (Dutch)

Presentation of REPLAY at EDUCAUSE 2008
{Dead link, date=January 2021 , bot=InternetArchiveBot , fix-attempted=yes
Article on REPLAY (German)

Presentation of REPLAY (German, video)
2006 software Cross-platform free software Free educational software Educational software Java (programming language)