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BBC R&D : Radiotagbot - Bookmarking Radio and TV using Twitter

BBC R&D : Radiotagbot - Bookmarking Radio and TV using Twitter | Video Breakthroughs | Scoop.it
Radiotagbot is a way to bookmark the current point in a programme that you're listening to (or watching) live, by using twitter. To create a bookmark, you send a message to @radiotagbot with the name of a BBC radio or TV station in in it (e.g. "radio 4" or "r1x" or "BBC1") and it will tweet back to you with the title of the programme and a link to the point in time on iPlayer at which it will (usually) appear. If it's on Radio 1, 1x, 2, 3 or 6 Music, it will also attempt to reply with the music track playing.
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Video Breakthroughs
Monitoring innovations in post-production, head-end, streaming, OTT, second-screen, UHDTV, multiscreen strategies & tools
Curated by Nicolas Weil
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The State of MPEG-DASH Deployment

The State of MPEG-DASH Deployment | Video Breakthroughs | Scoop.it

MPEG-DASH is slowly but surely becoming the main competitor to HLS, driven by adoption by major players and intrinsic strengths. Here's who's using it now, who's going to be soon, and what challenges still need to be addressed.

 

Last year at the European Broadasting Union’s BroadThinking conference, the DASH Industry Forum (DASH-IF) conducted a survey of 13 major European broadcasters on MPEG-DASH adoption. At the time, about three-quarters of them projected to have DASH deployed by end of first half of 2014. Primary sources of concern for the broadcasters were the availability of DASH enabled clients and packaging tools. One year later, we haven’t seen many broadcasters deploying DASH in production, but the traction seems to have shifted to over-the-top (OTT) content distributors and operators.

 

So, who are the actors already in production or close to production with DASH? What are the remaining roadblocks for its adoption? How will DASH be positioned against existing Adaptive Bitrate technologies in the coming months? What is the exact status of the DASH standard and its most promising evolutions? What are the upcoming initiatives aiming at fostering DASH adoption? Let’s get a handle on where DASH is today, and where it’s headed.


Via DASH Industry Forum
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Valery's curator insight, April 8, 1:42 AM

Everybody (or nearly) is DASH compliant but when you really want to have it running, it is not exactly as smooth as expected.

Still, it seems to be really starting this time.

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SMPTE backs “dazzling” HDR spec

The Society of Motion Picture and Television Engineers (SMPTE) on September 10 is to release a technical standard covering High Dynamic Range (HDR) images that will – in essence – match the Dolby Vision proposals from Dolby Labs.


The concept could allow viewers to see what has been described as “dazzling” in its treatment of whiter whites and permitting much more variation in representing blacks/grays and items in shadow.

One commentator, The Hollywood Reporter’s Carolyn Giardina, says early demonstrations have shown that the difference is a “more noticeable upgrade compared to moving from HDTV to Ultra-HD”.


The September 10 meeting at IBC will see SMPTE publish its ‘transfer function’ document which outlines a roadmap for the technology, starting at the camera’s lens and on to colour grading and post-production and eventual delivery to broadcasters and the home.

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[IBC2014] DASH AVC/264 support in GPAC - GPAC Licensing

[IBC2014] DASH AVC/264 support in GPAC - GPAC Licensing | Video Breakthroughs | Scoop.it

Thanks to a joint effort of GPAC Licensing, EBU and DASH-IF, the open-source multimedia framework GPAC now has support for the DASH Industry Forum DASH AVC/264 profile… and beyond!

 

In this article we are going show you how to setup GPAC for your OnDemand and Live contents. In a next article, we’ll see how to use GPAC to encrypt your data with support with the most common DRMs.

 


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Microsoft Smooth Streaming Plugin for OSMF with Azure Media MPEG-DASH support

Microsoft Smooth Streaming Plugin for OSMF with Azure Media MPEG-DASH support | Video Breakthroughs | Scoop.it

One of the plugins that Microsoft released is Microsoft Smooth Streaming with OSMF Azure Plugin for Media MPEG-DASH support . We can extend the capabilities of OSMF (Open Source Media Framework for Adobe) adding Microsoft Smooth Streaming to players using this technology, as well as playback on Strobe Media Playback (SMP).


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Streaming Forum 14: MPEG-DASH Is the ‘Young Turk’ of Online Video

Streaming Forum 14: MPEG-DASH Is the ‘Young Turk’ of Online Video | Video Breakthroughs | Scoop.it

Could MPEG-DASH be the one online video format to replace all others? In a Streaming Forum 2014 panel on the much-hyped format heavyweights includingCisco, Akamai, the BBC, and Qualcomm offered a shared hope that the industry could standardize behind DASH.

 

“To me, it’s the young Turk,” said Kevin Murray, system architect for Cisco, comparing DASH to HLS. Broadcasters are slowly centralizing on both options, he noted. DASH, however, lacks a maturity. The format still needs ubiquity (including the ability to play on iOS devices) and integration (DASH-IF needs to act as a gatekeeper). Keep it simple, Murray advised: A unified DASH is easier to deploy and test, and offers a better user experience.

 

Throughout the discussion, panelists balanced the need for standardization with the need to offer versions with special features. The format needs a consistency of choice or problems will show up, Murray said. “The way people do live differs,” he said, and so do the ways players support live video. Advertising video needs certain features that content video doesn’t. The solution needs a consistent framework that supports various options.


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Google Media Framework: Making online video simple

Google Media Framework: Making online video simple | Video Breakthroughs | Scoop.it

We’re excited to announce an open source video player framework to make online video and video monetization with the IMA SDK easier than ever. The Google Media Framework (GMF) is available for iOS and Android, and we have a Video.js plugin for web based video players.


MF Features

  • Ready to use Video player for your apps and websites
  • Demo apps include production ready integrations with the IMA ads SDK
  • GMF is free and open source, so can be customized to meet your specific needs (Send us a pull request!)
  • Easily customize the UI color and add or remove buttons
  • Support for iOS 7+ and Android 4.1+


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Sapporo JCT-VC and MPEG Meetings - Jun/Jul 2014

Sapporo JCT-VC and MPEG Meetings - Jun/Jul 2014 | Video Breakthroughs | Scoop.it

NGCodec was at the JCT-VC/MPEG Meeting in Sapporo to help the industry to continue with the development of the HEVC standard. This was a busy meeting where we did substantial work over 9 days. JCT-VC finished the work on the 2nd version of the HEVC text covering the enhancements related to scalability (SHVC), completed the work on HEVC Test Model (HM15) software and text, the version 1 conformance and accelerated the work in relation to the coding of screen content (SCC). They were a number of additional MPEG activities that were conducted outside JCT-VC, mostly in relation to High Dynamic Range video (HDR) and royalty free codecs.

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Disney Demos Automated Multicamera Editing

Disney Demos Automated Multicamera Editing | Video Breakthroughs | Scoop.it

Disney Researchers have come up with a way to auto-edit together footage from multiple social cameras. The team created an algorithm that takes in multiple video feeds and outputs a “single video of user-specified length that cuts between the multiple feeds automatically,” according to their research paper.

Researchers Ido Arev, Hyun Soo Park, Yaser Sheikh, Jessica Hodgins and Ariel Shamir, said their algorithm uses “existing cinematic rules.” 

By determining the center of attention of the cameras and, by default, their operators, the algorithm indicates where the cuts should go. The center of attention is key. It is derived from the orientation of each person involved in a group activity and the footage they capture. The aggregate of the resulting viewing angles is referred to as the “gaze concurrence” or “3D joint attention,” which produces a metric for the “spatial and temporal location of the important ‘content’ of the activity.” 

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Video.js Blog: DASH Everywhere-ish (hack project)

A couple of times a year Brightcove has an internal hackweek where engineers work on any project they’d like. In the latest hackweek (2014-07-14) Tom Johnson decided to see if he could get DASH supported in as many places as possible, by combining a few of the existing DASH player implementations with Video.js.

 

MPEG-DASH (Dynamic Adaptive Streaming over HTTP) is a streaming format similar to Apple’sHTTP Live Streaming (HLS). It allows you to provide multiple versions of a video at different bitrates, and then the player can switch between those versions depending on the user’s bandwidth (which is more complicated than you might think).

 

The two DASH playback implementations used were Dash.js and Dash.as. They were combined using video.js’s playback tech architecture, which means you can include plugins and custom skins and they’ll work the same with either playback method.

 

See the results.


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BBC starts Ultra-HD trials with DVB-DASH

BBC starts Ultra-HD trials with DVB-DASH | Video Breakthroughs | Scoop.it

The BBC has started its Ultra-HD closed trials from the World Cup tournament in Brazil. The BBC Research & Development department has partnered with Arqiva for the trials that will use the latest DVB-DASH profile IP.

 

The UHD production will be received in the UK from an H.264/AVC satellite contribution feed. For both DTT and IP we will be using Main Profile HEVC to compress the video to distribution bitrates that can be sustained within a DVB network and a super-fast broadband line. The frame rate being used is 59.94Hz as that is the standard in Brazil.

 

The DTT trial will be transmitted from Crystal Palace (London), Winter Hill (Manchester) and Black Hill (Glasgow). The transmissions are just starting up now. As we are using the same T2 modulation parameters that are used for HD multiplexes the signal can be received on current consumer equipment, I’m not aware of any equipment which can decode the video. Though some existing HD models may tune the service and decode the audio.

 

The stream will use the latest DVB-DASH profile and is geo-IP locked to the UK only.

 


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Hulu: 'DASH Is Definitely the Future for Us'

Subscription VOD company Hulu is taking the lead on DASH adoption, and is already using it for all Google Chromecast and Amazon Fire TV streaming. Hulu Lead Software Developer Baptiste Coudurier explained why those moves are just the begnning.


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DVB approves UHDTV HEVC delivery profile and MPEG-DASH Profile for Transport of ISO BMFF Based DVB Services over IP Based Networks

DVB approves UHDTV HEVC delivery profile and MPEG-DASH Profile for Transport of ISO BMFF Based DVB Services over IP Based Networks | Video Breakthroughs | Scoop.it

A significant step in the road to Ultra High Definition TV services has been taken with the approval of the DVB-UHDTV Phase 1 specification at the 77th meeting of the DVB Steering Board. The specification includes an HEVC Profile for DVB broadcasting services that draws, from the options available with HEVC, those that will match the requirements for delivery of UHDTV Phase 1 and other formats. The specification updates ETSI TS 101 154 (Specification for the use of Video and Audio Coding in Broadcasting Applications based on the MPEG-2 Transport Stream).


Another specification to gain approval from the Steering Board was the MPEG-DASH Profile for Transport of ISO BMFF Based DVB Services over IP Based Networks. This specification defines the delivery of TV content via HTTP adaptive streaming. MPEG-DASH covers a wide range of use cases and options. Transmission of audiovisual content is based on the ISOBMFF file specification. Video and audio codecs from the DVB toolbox that are technically appropriate with MPEG-DASH have been selected. Conditional Access is based on MPEG Common Encryption and delivery of subtitles will be XML based. The DVB Profile of MPEG-DASH reduces the number of options and also the complexity for implementers. The new specification will facilitate implementation and usage of MPEG-DASH in a DVB environment.


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CEA: UHDTV is 8-bit, 3840x2160

CEA: UHDTV is 8-bit, 3840x2160 | Video Breakthroughs | Scoop.it

The Consumer Electronics Association has announced updated core characteristics for ultra high-definition TVs, monitors and projectors for the home. As devised and approved by CEA’s Video Division Board, these characteristics build on the first-generation UHD characteristics released by CEA in October 2012. 


Under CEA’s expanded characteristics, a TV, monitor or projector may be referred to as Ultra High-Definition if it meets the following minimum performance attributes:

— Display Resolution – Has at least eight million active pixels, with at least 3,840 horizontally and at least 2,160 vertically.

— Aspect Ratio – Has a width to height ratio of the display’s native resolution of 16:9 or wider.

— Upconversion – Is capable of upscaling HD video and displaying it at ultra high-definition resolution.

— Digital Input – Has one or more HDMI inputs supporting at least 3840x2160 native content resolution at 24p, 30p and 60p frames per second. At least one of the 3840x2160 HDMI inputs shall support HDCP revision 2.2 or equivalent content protection.

— Colorimetry – Processes 2160p video inputs encoded according to ITU-R BT.709 color space and may support wider colorimetry standards. — Bit Depth – Has a minimum color bit depth of eight bits

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NPAPI deprecation: developer guide

NPAPI deprecation: developer guide | Video Breakthroughs | Scoop.it

Even though users will be able to let NPAPI plug-ins run by default in January, we encourage developers to migrate of off NPAPI as soon as possible. Support for NPAPI will be completely removed from Chrome in a future release, probably by the end of 2014.


The ability to adapt media streaming to an individual consumer is critical in delivering high-quality content to a large audience. In the past this capability has been provided by technologies such as Silverlight’s smooth streaming and Quicktime’s HTTP live streaming. The Media Source Extensions to the HTML media element provide the capability to adapt a stream to an individual consumer on the modern web. Html5rocks has put together a great example of how to use the Media Source Extensions to implement some of these common use cases.


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Adobe Primetime Support for MPEG-DASH

Adobe Primetime Support for MPEG-DASH | Video Breakthroughs | Scoop.it

For those of us working to develop MPEG-DASH, Apple’s recent support of the W3C’s Media Source Extensions (MSE) API in Safari on OS X Yosemite is great news.  MSE and DASH have a complementary relationship, and expanded support for MSE will make it much easier for publishers to adopt DASH.


While MSE itself is designed to be media container format neutral, one of the primary container format recommendations made in the specification is compatible with the ISO Base Media File Format (ISO BMFF)“fragmented MP4” profile of MPEG-DASH.  At this time, MSE implementations in most desktop browsers (Chrome, IE, Safari) are available and support the ISO BMFF container.  Firefox is also working on compatible implementations, which are already partially available in their development branches.

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Improving the Quality of Experience with MPEG-DASH Ultra HD

Improving the Quality of Experience with MPEG-DASH Ultra HD | Video Breakthroughs | Scoop.it

How can publishers ensure that their viewers are getting a TV-like experience with MPEG-DASH video? At the recent Streaming Forum conference in London, experts from Qualcomm and Bitmovin explained the finer points of QoE for DASH.

 

"How can the DASH standard or standardized formats have to increase the quality, once there is some kind of metrics or logging functionality at the client that gives you means to communicate to another instance -- a logging server or whatever -- what's going on in the client side?" asked Christian Timmerer, CIO for Bitmovin. "In DASH there is an Annex D which is a normative definition of semantics for these metrics according to different observation points. If you have the DASH access client -- that basically is the one that issues the HTTP request -- and gets the responses and hands that over to what we call here a DASH-enabled application, which then in the end feeds into a display for rendering purposes or whatever."


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[IBC2014] MPEG-DASH SuperSession

[IBC2014] MPEG-DASH SuperSession | Video Breakthroughs | Scoop.it

Released in April 2012, MPEG DASH is the fastest tracked ISO standard ever released by the MPEG organization. A standard for the delivery of adaptive, segmented media, MPEG DASH seeks to be the unifying and enabling force for the OTT world as NTSC and PAL were for the broadcast world. The goals of this SuperSession are to expose attendees to the latest advances in DASH and to educate them on the deployments and usage taking place today. 
 
Dr. Iraj Sodagar, President of the DASH Industry Forum and Chair of MPEG’s DASH subgroup will open with a summary of the State of Affairs of DASH - providing an update on the current state of DASH standardization in MPEG, including the features of MPEG-DASH 2nd edition as well as an overview of the DASH-IF latest activities and the status of DASH adoption by various consortia. Richard Leider from Google will present a talk on the large-scale use of DASH at YouTube, the world’s largest media property. Dr. Illgner, Director of the IRT and Chairman of the HbbTV Association will follow with a presentation on DASH and HbbTV. David Price, VP Business Development at Ericsson will moderate a panel on Deployments of DASH in HbbTV and LTE Broadcast. Dr. Thomas Stockhammer, editor of the DASH standard, will present an update on the DASH-AVC/264 interoperability guidelines as well as technologies under consideration for forth-coming updates to DASH. We’ll conclude with presentations of commercial deployments from Akamai, DTS, InsideSecure, Microsoft and Qualcomm. 


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Diving into ultra-low latency for live using MPEG-DASH

Low latency with HTTP-streaming (segment-based) technologies is a challenge. In particular MPEG-DASH is gaining adoption among international industry consortiums such as DVB with DVB DASH or ETSI with HbbTV 2.0 (not published yet), with a growing focus on live use-cases. For such applications, latency is a concern.

 

In this article, we will show you how the GPAC team studied the impact on the overhead of HD streaming with very low latency using MPEG-DASH and demonstrated that overhead on the transport side is negligible, in the order of 1%. At 1% overhead, we could demonstrate a 240ms latency. With such a low latency, interactive or bidirectional applications such as video conferencing or live streaming with voting become possible.

 

Of course such low latency can only be safely reproduced in local network conditions. Yet it shows that the latency is not due to the MPEG-DASH technology but rather to the network conditions. It also shows that a few technical choices can dramatically reduce the latency.

All the tools used for this demonstration are available as free software. 


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Is 4K Doomed to Be the Next 3D? Akamai Says No

Is 4K Doomed to Be the Next 3D? Akamai Says No | Video Breakthroughs | Scoop.it

The industry might be buzzing about 4K video, but is this something consumers actually want? At the recent Streaming Media East conference in New York City, Will Law, chief architect, media division, at Akamai, reminded the audience that this discussion sounds awfully familiar.


"I'm a pragmatic optimist about 4K, and I'm also a student of history," Law began. "I wanted almost to print out a session we had at Streaming Media East about six years ago that was taking about the new format coming out -- how it was larger, there were no screens to display it, there were no devices to play it, content wasn't produced in it. And that format was 1080p. Six years ago we were having exactly the same discussion, and I think we're going to repeat it again. In six years time we're going to be looking back and we will see a transition from 720 to 1080 to 4K."


It wasn't long ago that 3D enjoyed the same level of hype. Yet, it still didn't catch on.

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DivX Releases MainConcept HEVC SDK 3.0 with Support for Real-Time 1080p Encoding of High-Quality Video [PR]

DivX announced the release of the MainConcept® HEVC SDK 3.0. The newest release of the industry leading HEVC encoding tool includes support for real-time encoding of 1080p video at 30 frames per second.


Additionally, the release includes enhancements to the decoders available for PC and ARM, which adds weighted prediction, PCM decoding and Transquant Bypass to support playback on content from other party codec vendors.


The MainConcept HEVC SDK continues to make strides on encoding quality and performance, based on numerous in-house tests, currently realizing 35-48 percent bitrate improvements over H.264 (MainConcept H.264 v9.8 encoder) in internal company benchmark tests. What’s more, the included and patent-pending SABET™ (Smart Adaptive Bitrate Encoding Technology) achieved more than a 30 percent performance gain with transcoding adaptive formats such as DivX® HEVC adaptive streaming. This means companies interested in maximizing the efficiency of their applications, services and environments may reduce total encoding time for an adaptive stream by more than 30 percent by using SABET.


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Why the Broadcasting Industry Should Get Behind DASH Adoption

Why the Broadcasting Industry Should Get Behind DASH Adoption | Video Breakthroughs | Scoop.it

How is DASH different from competing video standards. It's open, and for broadcasters that's a big factor. At the recent Streaming Media East conference, Jeff Tapper, chief architect at Digital Primates, taught attendees how to build a DASH player, and also why DASH stands apart.

 

"The real key differentiator of DASH, as opposed to any of the other HTTP streaming formats, is it's an open standard. HLS, HDS, Smooth Streaming: They're all owned by one company," Tapper said. "Some of them have becomede facto standards on their own, but the more I work with broadcasters and people who are used to open standards like AM and FM and UHF and VHF -- these are standards that everybody agrees on. The broadcasting world loves standards."


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HTTP/2.0 and DASH: Planning Tomorrow's Improved Video Delivery

HTTP/2.0 and DASH: Planning Tomorrow's Improved Video Delivery | Video Breakthroughs | Scoop.it

HTTP traffic has grown extensively driven by the immense growth of multimedia traffic. Nowadays, it could be seen as the protocol to deploy new services and applicationsand it is also heavily used by the industry, due to the fact that it provides advanced features for modern internet architectures.

 

It is a content centric protocol that decouples names from addresses through DNSIt provides caching elements and middle boxes as reverse and forward proxiesIt enables scalable and flexible content deployment with content distribution, already leveraged by Content Distribution Networks (CDN)

 

However, there is room for improvement as many services are still using HTTP/1.0 which was specified in May 1996, or are not using all the features of HTTP/1.1, such as persistent connections or pipelining. For example, already deployed HTTP streaming solutions such as Microsoft Smooth Streaming, Apple HTTP Live Streaming, and Adobe Dynamic Streaming do not use HTTP/1.1 pipelining with persistent connections, which could increase the streaming performance by up to 30 percent. Unfortunately, there are not many proxies that support HTTP/1.1 pipelining with persistent connections, due to the Head-of-Line (HoL) blocking problem where one pending response could possibly delay a range of other responses. The problem is that the proxy has to send in-order responses, which means that earlier arriving out-of-order responses will be blocked until the response that causes the HoL blocking arrives.


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ExoPlayer: MPEG-DASH compatible Adaptive video streaming on Android

ExoPlayer is a newly open sourced media player built on Android's low level media APIs. It supports DASH and SmoothStreaming adaptive playback, and is used by Google's YouTube and Play Movies applications. This talk discusses the design of ExoPlayer, its use of Android's low level media APIs, and how you can use, extend and customize ExoPlayer in your own video applications.


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Premium HTML5 Video Coming to a Browser Near You

Premium HTML5 Video Coming to a Browser Near You | Video Breakthroughs | Scoop.it

With the recent announcements from Apple/Netflix and Mozilla, all modern desktop browsers will soon support the proposed HTML Encrypted Media Extensions (EME) standard. EME provides a standardized approach for playing encrypted content in HTML5. One application of encrypted video is the enforcement of Digital Rights Management (DRM) on paid video content. Many content owners (film studios, sports leagues, etc.) mandate using DRM to distribute their content online.


What does all of this alphabet soup mean for users? In short, the EME standard enables publishers to deliver premium video to browsers without the need for plugins. To date, doing DRM in the browser requires the Adobe Flash, Microsoft Silverlight or Google Widevine plugins. These plugins use non-interoperable file formats, protocols and DRM key systems, creating fragmentation. EME solves (most of) these issues, enabling premium video in HTML5 using a single file format and streaming protocol.

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BBC trials IP Studio at Commonwealth Games with dramatic storytelling consequences

BBC trials IP Studio at Commonwealth Games with dramatic storytelling consequences | Video Breakthroughs | Scoop.it

What would a live studio need if it worked directly on IP networks? That was the task BBC R&D set itself with a project that began in 2012 and which will hit a peak when it plays a central role in the world’s first live end-to-end IP production in Ultra HD to be conducted at the Commonwealth Games.


IP has been used by many broadcasters, BBC included, to link a studio to remote locations but the missing piece has been an IP production experience using internet protocols to switch and mix the videos.

The BBC R&D trials conducted during the CWG next month promise to do just that, while also testing the limits of network performance by shunting 4K data around the UK in a collaborative production workflow – live.


“The concept is to introduce software and IP into the overall chain so it can be used alongside existing technology like DTT,” said Matthew Postgate, controller, BBC R&D. “IP will enable us to be more flexible with services we already produce, and longer-term, to introduce new kinds of services.”


BBC R&D describes IP Studio as an open source software framework for handling video, audio and data content, composed of off-the-shelf IT components and adhering to standards like IP packet synchronisation protocol IEEE1558.

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Amazon Elastic Transcoder: Review

Amazon Elastic Transcoder: Review | Video Breakthroughs | Scoop.it

For broadcasters and high-volume producers, Amazon's Elastic Transcoder has too many limitations. For everyone else, it's an appealing, if flawed, solution.


Amazon’s Elastic Transcoder is a service that can encode files living in the Amazon cloud for delivery into the Amazon cloud. In this overview, I’ll walk you through the workflow for using the service and discuss the service’s performance, quality, and pricing. Just to set expectations, this isn’t a full out, “bang it till it breaks” competitive review as much as a “Here’s how it works, and by the way we compared some aspects to other services and here’s what we found.”

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