Cni3 11-29
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The document discusses strategies for managing digital video content and digital rights management. It outlines the Video Development Initiative (ViDe) working groups focused on video access and a digital rights management initiative. It proposes a "DRM-Core" research community to develop interoperable technologies for describing rights without enforcing them, to support uses like educational digital video and student theses involving copyrighted content.
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The document discusses proposals for assigning telephone numbers to users of video relay services (VRS) to provide functional equivalence to emergency services and direct dialing capabilities. It describes AT&T's preference for a model where VRS users get numbers from their chosen provider, and a centralized database containing numbers and IP addresses is maintained using DNS and updated by each user's provider. This would allow any provider to directly connect with any user for VRS calls or direct dialing between deaf users.Atee2006
Atee2006Pptblog Pptblogcom
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This document outlines the objectives and activities of the Ovide project, which aims to help teacher educators use online video. The project is led by universities across Europe. It plans to study the literature on how student teachers learn from video, collect case studies of video use in teacher education, and discuss technical, legal and ethical considerations. The results will be shared on a website to provide guidance to teacher educators on best practices for incorporating online video.111203 filmed hunter
111203 filmed hunterPptblog Pptblogcom
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The document discusses FilmEd, a project for collaborative video indexing, annotation, and discussion over broadband networks. The goals of FilmEd are for education, media/film industries, and audiovisual archives. It allows synchronous collaborative meetings, annotations, and discussions among multiple sites using technologies like Access Grid and .NET Remoting. Future plans include adding capabilities for annotating different media types, recording and indexing meetings, and collaborative editing. Potential applications mentioned include telemedicine, networked microscopy, and supporting distributed performances.060320 mmtf presentation
060320 mmtf presentationPptblog Pptblogcom
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1) The document discusses JMU's goal to provide high-quality online video content for classroom and desktop viewing through a multimedia collections task force.
2) It describes the technical processes involved - cataloging DVDs, encoding videos using Handbrake in MPEG-4 format, and streaming or allowing download through the existing digital image database for users.
3) Encoding is the most time-consuming aspect of the process. Videos are encoded at different rates for on-campus and off-campus streaming and downloading.85 videocompress
85 videocompressPptblog Pptblogcom
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MPEG is a video compression standard developed in the late 1980s to enable full-motion video over networks and storage mediums. It was created by the Motion Picture Experts Group to address the need for high compression ratios to transmit video given bandwidth limitations of the time. MPEG uses spatial and temporal redundancy reduction techniques like discrete cosine transformation, quantization, and entropy coding to compress video frames and take advantage of similarities between neighboring pixels and successive frames. It defines a group of pictures structure and different frame types like I, P, and B frames to enable features like random access while maintaining synchronization and error robustness. MPEG became widely adopted and evolved through standards like MPEG-1, MPEG-2, and MPEG11 streaming
11 streamingPptblog Pptblogcom
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Streaming is the delivery of digital media content in a continuous flow without needing to download the entire file. This allows viewing to begin before the full download is complete and protects copyright. There are four main methods to stream a videoconference: all-in-one boxes, a combination of videoconferencing terminal and streaming encoder, terminals with built-in streaming capabilities, and using an application service provider. While each method has pros and cons, using a separate streaming encoder optimizes video quality for streaming.09a video compstream_intro_trd_23-nov-2005v0_2
09a video compstream_intro_trd_23-nov-2005v0_2Pptblog Pptblogcom
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1) The document discusses video compression and streaming technologies, including standards like H.264 and challenges of streaming over heterogeneous networks.
2) It outlines objectives to develop versatile encoder and decoder architectures, efficient compression algorithms, and new concepts for adaptive streaming over IP networks.
3) Key outcomes included advanced encoder and decoder architectures, improved video processing algorithms, an end-to-end H.264 streaming system, and a scalable video coding scheme.05 presentation
05 presentationPptblog Pptblogcom
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The document discusses wide area high definition video streaming for tiled displays. It explores capturing HD video with a Panasonic camera, compressing and streaming the video over networks with bandwidth limitations, and displaying the appropriate portions of the video frames across tiles while allowing scaling and movement. The project aims to demonstrate feasibility of HD video streaming to support distributed collaborative workspaces. It presents results on streaming different video formats and resolutions and the effects on network throughput and frame rates.2 han
2 hanPptblog Pptblogcom
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The document proposes an adaptive high-quality video service for network-based multi-party collaboration using the Access Grid platform. It describes designing an Access Grid Media Architecture to enable digital video and high-definition video support with application-level quality of service controls. A prototype was implemented and tested on a test bed to demonstrate improved user quality of experience through a one-to-many network adaptation scheme that conceals quality variations from network problems. Evaluation results showed the adaptive video service was able to support high-quality video streams while adapting to changing network conditions.2 audio video
2 audio videoPptblog Pptblogcom
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The document discusses Microsoft's Windows Media Audio and Video 9 Series codecs. It introduces several new codecs that improve video and audio quality at lower bitrates, including support for high-definition and multi-channel content. It highlights new capabilities like video smoothing to interpolate frames and a hybrid voice and music codec for low bitrate content. The codecs aim to achieve best quality while supporting embedded devices and hardware implementations.01 shewbridge
01 shewbridgePptblog Pptblogcom
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The document discusses various options for delivering computer skills training via video at the University of Maryland, Baltimore County (UMBC). It analyzes factors such as production issues, user accessibility, quality of delivery, and appropriate methods. Some key options mentioned are streaming video using IPTV (MPEG) for high-quality live content, screen capture (FINWeb) for step-by-step instructions, and QuickTime combined with PowerPoint for online slideshows. Contact information is provided for further details.Ad
Cni3 11-29
- 1. Access Strategies for Digital Video and Digital Rights Management Grace Agnew, Georgia Institute of Technology Mair辿ad Martin, University of Tennessee June 2, 2011
- 2. Overview About The Video Development Initiative (ViDe) The ViDe Video Access Working Group Projects Next Steps Digital Rights Management Initiative
- 3. Video Development Initiative Founded in 1998 to promote the use of digital video in higher education Working Groups: Videoconferencing: ViDeNet, Internet2 Commons, Videoconferencing Cookbook MPEG-4 Data Collaboration Video Access
- 4. Managing Digital Video Content Workshop Co-sponsored by CNI, I2, SURA and ViDe Keynote speakers: Cliff Lynch (CNI) Jane Hunter (MPEG-7) Asset management, DC for digital video (ViDe application profile), rights metadata, OAI, digital video accessibility, MPEG-7, METS www.vide.net/conferences
- 5. Why does digital video matter? Key medium for elearning Dramatic, compelling Active learning medium, engaging multiple senses
- 6. Why is digital video different? Complex requirements: Sequential medium, high bandwidth, hardware/software requirements, Isolated from the educational mainstream Frequently composed of multiple, synchronized channels, eg., multiple video and audio feeds
- 7. ViDe Video Access WG International membership of librarians, engineers, IT professionals Collaborates with I2 and CNI Projects: Application Profile for Dublin Core Application Profile and Advanced Indexing Strategies with MPEG-7 and METS
- 8. Video Access Strategies Discovery and access Object use Annotation Bookmarking Gathering into collections Use management Safeguarding intellectual property
- 9. Discovery and Access: Dublin Core 15 Optional, Repeatable Elements Enables interoperability: Mapping Data Sharing Customize Use through Application Profile
- 10. Dublin Core: Interoperability and Mapping Standard
- 11. Dublin Core: Base Standard D C MPEG-7 FDGC Geographic metadata DRM Structure Map (e.g. METS)
- 12. Use of Object: MPEG-7 Multimedia Content Description Interface
- 13. Standards based segmenting and collection building Standards based annotation and bookmarking Asset Management: Beyond Description: MPEG-7 and METS <VideoSegment id=S1> <TextAnnotation> <FreeTextAnnotation>Man in a funny hat. </FreeTextAnnotation></TextAnnotation> <CreationMetaInformation><Creation><Creator>Jones, Tommy.</Creator></Creation></CreationMetaInformation> <MediaTime><MediaTimePoint>00:27:13;7</MediaTimePoint></MediaTime> <MediaDuration><00:10:05;3></MediaDuration> </VideoSegment> < VideoSegment id=S2> <TextAnnotation> <FreeTextAnnotation>Man with a funny moustache. </FreeTextAnnotation></TextAnnotation> <CreationMetaInformation><Creation><Creator>Jones, Tommy.</Creator></Creation></CreationMetaInformation> <MediaTime><MediaTimePoint>00:27:13;7</MediaTimePoint></MediaTime> <MediaDuration><00:10:05;3></MediaDuration> </VideoSegment> MPEG-7 Example
- 14. Managing use: DRM Technology to create DRM available Authorization, access, transport Multiple and competing languages to describe rights of the owner, and permissions for the user Proprietary and commercial implementations No R&E implementations to date
- 15. Digital Rights Management Initiative Launched at Managing Digital Video Assets Rights-L listserv created; over 300 subscribers in 21 countries; participants include LoC, MPEG, rights language developers, NSF. Interest in cooperative R&E effort
- 16. Next Steps Creation of a DRM-Core R&E Community development Libraries, universities, archives, consortia, standards bodies Future-proofed: interoperate with commercial and other systems Describing but not enforcing rights
- 17. Role of DRM-Core in DRM Process User Authentication Object Authorization DRM-Core Interoperable Permissions Edit Write, Copy, etc.
- 18. DRM-Core Requirements Distributed collaboration Growing distance education marketplace Needs to support Fair Use Granular and differential access Management of derivatives Support for complex licensing/contractual obligations Integration with enterprise directories, digital certificate servers, and other technologies
- 19. R&E Scenario: Elearning A digital video lecture: Is limited to course registrants, Available for three months after course completion Leased to non-registrants for$10 per hour: lower-resolution video file
- 20. R&E Scenario: Thesis Creation Student uses copyrighted video to illustrate thesis Fair use permission allows selection of 20 second segments Student creates and names component video selections Thesis is shared worldwide via the Networked Digital Library of Theses & Dissertations
- 21. DRM-Core: Next Steps See ViDe website for participation in existing efforts: Video Access WG, MPEG-4 and Rights-L www.vide.net Workshop to engage experts, stakeholders Creation of a Working Group YOUR THOUGHTS?