Overview
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ABSTRACT
This paper addresses the technologies needed for digital content delivery from the production studio to the end-user. It successively details the stages and techniques involved in the production (recording, editing, mixing, post-production), compression standards (digital texts, web pages, fixed images, audio and video contents, etc.), the preparation of content for delivery and broadcast (editing, metadata, digital container formats) and the protection of digital content (CAS, DRM).
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Jérôme PONS: Digital technology and strategy consultant and cultural project manager at Music won't stop, Paris, France - Former head of the interoperability testing program (IOT) for fixed and mobile networks (2009-2011), Orange Media Player, Music Podcasts and Web TV project manager (2007-2009), 3GPP standardization delegate in the RAN2 working group (2003-2007) at Orange, Paris, France
INTRODUCTION
Since the mid-2000s, the boundaries between media groups, public audiovisual service operators, telecom network operators, software publishers, Internet service providers and electronic equipment manufacturers have partly lost their watertightness, historically linked to the "non-convergent" distribution and broadcasting of digital content (one type of content was associated with one distribution and broadcasting mode, and one consumption mode). The widespread introduction of the Internet and the IP protocol in content transmission architectures has led to "convergent" distribution and broadcasting of digital content (with one set of content associated with one distribution and broadcasting mode, using the IP protocol, and a multitude of consumption modes), forcing incumbent players in the transmission chain to reposition their activities.
This article looks at the technologies needed to transmit digital content from the production studio to the end consumer, successively detailing the stages and techniques involved in production (recording, editing, mixing, post-production, etc.), compression standards (digital text, Web pages, still images, digital audio and video content, etc.), preparing content for distribution and broadcast (editing, metadata, container formats, etc.) and protecting digital content (CAS, DRM, etc.).
The appendices provide examples of digital audio interfaces, digital interfaces dedicated to video signals, delivery formats, compression formats, specific templates or descriptive metadata sets, identification codes, syndication protocols, computer storage container formats, exchange formats and protection systems (distributed or broadcast stream, video streaming stream, digital output, distributed file or distributed physical medium).
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KEYWORDS
digital production | digital compression | edition | telecommunications | internet | cultural industries | metadata | DRM
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Signal processing and its applications
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Digital content technologies: from production to protection
Bibliography
- (1) - - Adobe Access version 4.0 Overview. Adobe Systems, avr. 2012 http://www.adobe.com/support/ adobeaccess/pdfs/server AdobeAccess_4_Overview.pdf; Adobe Access 4 : confidently deliver video content online....
Standards and norms
3GPP/UMTS system (including HSPA+)
- Transparent end-to-end Packet-switched Streaming Service (PSS) – Protocols and codecs (Release 4), Third Generation Partnership Project (3GPP), TS-26.234, V4.5.0 (Release 4) - [3GPP-TS-26.234-R4] - 12-02
- 4C Entity CPRM/CPPM/C2 Specification, 4C Entity http://www.4centity.com/specification.aspx - [4CENTITY-CPRM-C2] - ...
4C Entity
Regulations
ADM Directive. Conseil Supérieur de l'Audiovisuel (CSA) http://www.csa.fr/Services-interactifs/Services-de-medias-audiovisuels- a-la-demande-SMAD/Cadre-juridique
Directive 2010/13/EU of the European Parliament and of the Council of March 10, 2010 on...
Directory
Observatories and regulators
French ISAN Agency http://www.france-isan.org
French-speaking Agency for International Book Numbering (AFNIL) http://www.afnil.org
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