REPLAY An Integrated and Open Solution to Copyright Olaf A. Schulte, 2008. This work is the intellectual property of the author. Permission is granted for this material to be shared for non-commercial, educational purposes, provided that this copyright statement appears on the reproduced materials and notice is given that the copying is by permission of the author. To disseminate otherwise or to republish requires written permission from the author. An Integrated and Open Solution to Produce, Handle, and Distribute Audio-visual (Lecture) Recordings October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

ETH Zurich, Switzerland October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich A/V in academia REPLAY Opencast October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

Multimedia Services, ETH Zurich - Groups Infrastructure & Support IS Videoconferencing & Collaboration VC Production & Distribution PD October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

Production & Distribution - Services Audio- and Videoproduction Lecture Recording Distribution www.podcast.ethz.ch Free Cutting Animations Competence Centre October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich A/V in academia Academic films Instructional films Documentations Interviews Image video Recording of events Recording of talks/speeches/lectures … Podcast(ing) October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich iTunes October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich iTunes U October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich iTunes U - Berkeley October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

Podcast portal ETH Zurich October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

Podcast portal ETH Zurich - channel October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

Podcast portal ETH Zurich - episode October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

Podcasting - problems and deficiencies Commercial environment October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich iTunes Store October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich YouTube October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

Podcasting – structural problems and deficiencies Commercial environment Hardware obligations Lack of openness Structural requirements (RSS) Functional range October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

Podcasting - operative problems Integration into academic IT Workflow Quality & reliabilty with VGA-capture (Epiphan) Scalability October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich Workflow October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

Request for production System Overview Metadata (Autom.) Prod. Content User Integrator Distribution Query service Annotations Manager Annotations Indexer Load Cache lookup Reindex Archive Store Composer Content and Metadata Archive Index Distribution Formats Searchindex and Cache Request for production

Acquisition (Playmobil) Automated recording Capturing of vga and presenter Automated tracking Services Live preview Status and control Scheduling via iCalendar feeds Interfaces Open source GNU/Linux and Python Extension hooks Metadata (Autom.) Prod. Content User Integrator Distribution Query service Annotations Manager Annotations Indexer Load Cache lookup Reindex Archive Store Composer Content and Metadata Archive Index Distribution Formats Searchindex and Cache Request for production

Request for production Integration Recorder schedule (via iCalendar) Communications with recorder Integration drop box Identifier assignment Services Scheduling Job tracking Manual upload (bundle building) Quality assurance and trimming Recorder management Interfaces Media types Drop box API for bundle management Extension hooks Metadata Content (Autom.) Prod. User Integrator Distribution Query service Annotations Manager Annotations Indexer Load Cache lookup Reindex Archive Store Composer Content and Metadata Archive Index Distribution Formats Searchindex and Cache Request for production

Request for production Indexation Extraction of isochronic metadata Contextual harvesting Services API for indexer plugins Extension hooks Metadata Content (Autom.) Prod. User Integrator Distribution Query service Annotations Manager Indexer Annotations Reindex Load Cache lookup Archive Store Composer Content and Metadata Archive Index Distribution Formats Searchindex and Cache Request for production

Request for production Archive Access to content and metadata Content migration Services Metadata Content (Autom.) Prod. User Integrator Distribution Query service Annotations Manager Annotations Indexer Load Cache lookup Archive Index Content and Metadata Reindex Store Composer Distribution Formats Searchindex and Cache Request for production

Request for production Composition Composition of distribution formats Trimming, branding, watermarks etc. Services Default commandline encoder Pluggable encoding engines Extension hooks Metadata Content (Autom.) Prod. User Integrator Distribution Query service Annotations Manager Annotations Indexer Load Cache lookup Reindex Archive Store Composer Request for production Content and Metadata Archive Index Distribution Formats Searchindex and Cache

Request for production Consumption Query service Metadata harvesting iTunes integration Services API for searching Query webservice API for live context plugins Extension hooks Default user interface Interfaces User Query service Cache lookup Annotations Store Searchindex and Cache Distribution Formats Metadata Content (Autom.) Prod. Integrator Distribution Manager Annotations Indexer Load Reindex Archive Composer Content and Metadata Archive Index Request for production

Request for production Distribution Download and streaming Statistics gathering Management of distribution cache Services API for statistics evaluation Extension hooks Usage statistics Interfaces Metadata Content (Autom.) Prod. User Composer Distribution Load Request for production Store Searchindex and Cache Formats Integrator Query service Annotations Manager Annotations Indexer Cache lookup Reindex Archive Content and Metadata Archive Index

Request for production System Management Workflow management Resource planning Error handling Special workflows Notification Services API for workflow engine Extension hooks Management console Interfaces Metadata Content (Autom.) Prod. User Integrator Distribution Query service Annotations Manager Annotations Indexer Load Cache lookup Reindex Archive Store Composer Content and Metadata Archive Index Distribution Formats Searchindex and Cache Request for production

October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich Key features Automation - Standardized HW to capture audio, video and - content in the classroom (PLAYMOBIL) - Videotracking - Automated workflow with optional manual intervention Scalability Modular Design Standards October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich Key features Archival, long-term accessibility - Persistent Identification using Digital Object Identifier (DOI) - “Native” Archival (DV, H.264) for best possible re-usage Content-based pin-point access - Optical Character Recognition - Natural Language Processing - Annotationen (material, comments, links) - MPEG-7-based isochronic metadata Interactive, collaborative usage October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich User Interface October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich REPLAY – User Interface Collective Interactive Enrichment From audiovisual content to multimedia learning object October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich REPLAY by comparison Classic short-term monolithic proprietary static metadata manually allocated metadata consumption individual usage REPLAY long-term pin point access standardized isochronic metadata content-based metadata interactive usage collective usage October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich REPLAY by comparison Podcast Producer Production Encoding Distribution REPLAY Production Encoding Distribution Long-term archival Persistent Identification (DOI) Indexation (content-based) Searchability October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich REPLAY by comparison Podcast Producer Player Proprietary Apple HW REPLAY User Interface Open Standard-oriented Scalability Platform agnostic October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich REPLAY – Open Source REPLAY Lesser GNU General Public License (LGPL) REPLAY 0.5 - Release October 2008 REPLAY 1.0 operativ I/2008 replay.origo.ethz.ch (development platform) October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich REPLAY by comparison Podcast Producer Player Proprietary Apple HW Commercial REPLAY User Interface Open Standard-oriented Metadaten (Dublin Core) Platform agnostic Community October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich www.opencastproject.org October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich Mission statement Build and deliver an - Open Source - enterprise-level - integrated and interoperable framework to - produce, - process, - distribute, - and preserve audiovisual objects October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich Why Opencast? Opencast is an initiative driven by higher education institutions to empower… … institutions to make informed choices about capture, processing, and distribution infrastructure for audio/video, … faculty to teach courses and share knowledge with their students and learners worldwide without technology getting in the way, … students to access and shape media into a more meaningful tool for learning, … everyone to easily find and engage with educational video, audio, and other rich media from instructors and institutions around the world. October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

The Opencast community October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich REPLAY and Opencast UC Berkeley and ETH Zurich are key drivers in the Opencast Community REPLAY as a technical starting point for Opencast REPLAY will be migrated into Opencast Opencast Community as medium for further development October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich

October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich Contact www.replay.ethz.ch www.opencastproject.org replay@id.ethz.ch schulte@id.ethz.ch October 2008: Olaf A. Schulte, Multimedia Services, ETH Zurich