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Alex Street

What is Video Streaming? | LongTail Video | Home of the JW Player - 1 views

www.longtailvideo.com/...what-is-video-streaming

codecs videodelivery onlinevideo streaming progressivedownload adaptivebittrate

shared by Alex Street on 02 Apr 12 - No Cached
  • video delivery mechanisms
  • three widely used ways
  • Progressive Download, RTMP/RTSP Streaming, and Adaptive HTTP Streaming
  • ...24 more annotations...
  • Progressive Download is the most widely used
  • easiest to implement
  • Progressive Download is supported by Flash, HTML5 browsers
  • bandwidth is wasted on data downloaded but not watched
  • simplicity of Progressive Download also has its downsides.
  • inability to change the quality of the video mid-stream
  • For longer videos, the downsides start to impact playback too much
  • Progressive Download works fine for short clips (a few minutes).
  • RTSP/RTMP Streaming
  • RTMP/RTSP Streaming is widely used by professional media organizations like Hulu
  • only deliver the frames of a video the user is currently watchin
  • most widely solution is used is RTMP (Real Time Messaging Protocol)
  • HTML5 does not include a dedicated streaming protocol, nor does the iPad/iPhone
  • RTMP streaming can change video quality mid-stream
  • allows for optimal playback quality in the fullscreen and WiFi/3G scenarios
  • if the connection speed drops below the minimum bandwidth needed for the video, playback will be continuously interrupted.
  • has specific server and protocol requirements, which makes it less accessible and adds significant complexity and cost
  • Adaptive HTTP Streaming is a fairly new streaming format
  • Adaptive HTTP Streaming works by storing your videos on the server in small fragment
  • daptive HTTP Streaming leverages standard webservers, it is supported by webhosters and CDNs alike.
  • none of the Adaptive HTTP Streaming implementations work with regular MP4 files.
  • Adaptive HTTP Streaming will likely become the single video streaming method over time
  • live streaming is not possible,
  • o data is downloaded in advance and data a user has seen is immediately discarded.
David Astle

Live Streaming Video Jumps 600% in Past Year (comScore Voices) - 0 views

blog.comscore.com/...ive_streaming_video_jumps.html

Live-Streaming MediaManagement cdn streaming live video

shared by David Astle on 18 Apr 11 - No Cached
  • David Astle on 18 Apr 11
     
    Live Streaming Video Jumps 600% in Past Year
David Astle

Live IP streaming hits a new UK record - James Cridland - 0 views

james.cridland.net/...streaming-hits-a-new-uk-record

TVStreaming BBC Worldcup Live-Streaming

shared by David Astle on 22 Nov 10 - No Cached
  • irst, it’s great to see that the internet is capable of such a high amount of live concurrent users of streaming media. The internet remains a great way of reaching at-work listeners: where it’s hard to smuggle in a radio, and reception conditions are far from ideal. However, acros all platforms (including FM/AM), the total ‘live concurrent users’ for radio peaks at 17.6 million (between 08:00 and 08:30, weekday mornings, according to RAJAR q4/2008). UK internet broadcasting has hit a new record –
Alex Street

BBC - BBC Internet Blog: Introducing the all new BBC iPlayer (This time it's personal) - 0 views

www.bbc.co.uk/...ducing_the_all_new_bbc_ip.html

iplayer bbc iplayer3.0 web-TV webimmersion usage usagedata anthonyrose

shared by Alex Street on 18 Nov 10 - Cached
  • simpler to use, personalised and social.
  • iPlayer V2,
  • main problems we had to solve were largely technical things like:
  • ...64 more annotations...
  • Twitterverse is becoming the tastemaker.
  • available i
  • ideo quality
  • reliability of video delivery
  • dealing with massive peak loads
  • iPlayer V2 hosting platform was also designed to scale across multiple platforms
  • Actual Availability,
  • scaling to 1.5 million users,
  • 15 million page views delivering over 1.1 billion(!) minutes of video each month
  • Two years ago when we launched iPlayer our goals and challenges were largely technical - scalability, reliability, video encoding
  • next set of challenges was not so much technical as social
  • "As people begin moving from television to the web, what happens to the role of the linear TV scheduler as the tastemaker
  • platform capable
  • the scheduler is the leading tastemaker.
  • iPlayer does a fine job of satisfying the time-shifted desires
  • BBC schedulers create the desire to watch a programme; iPlayer lets you see it at a time that's convenient to you
  • what if you no longer watched linear TV? Who becomes the tastemaker then?
  • largely theoretical problem
  • iPlayer home page that feels almost more like an application than a traditional web site
  • in the world of YouTube where there is no master scheduler who can shape demand.
  • clear evidence that linear TV created the demand while iPlayer satisfied it.
  • wanted it to become a driver of demand, s
  • The question then is, in a world which cannot be driven by schedulers
  • if schedulers are going to be augmented by your friends as drivers of consumption in the future, the challenge for the team was to integrate friends and social into the iPlayer
  • delights both early adopters and the mainstream audience.
  • folded your personal experience into the fabric of the main site
  • o integrate with Facebook and other social networks
  • make the recommendations and social graph visible within iPlayer,
  • addition of course to any external activity.
  • solution we came up with was to create a BBC login - known as BBC iD
  • can then connect with Facebook, Twitter
  • expandable Favourites zone
  • designed Favourites to be like your mail Inbox, showing the total number of items, how many are newly arrived,
  • rely on Favourites to give me a constant stream of things to watch
  • ll your favourites and other settings can roam across all the devices on which you use iPlayer.
  • So now if I'm bored sitting in a train on the way home, I can look for new programmes to watch, add them to my Favourites,
  • Personalised iPlayer home page
  • default view that everyone sees to something that's, well, just for you.
  • iPlayer traffic is doubling each year, it still only accounts for 2-3% of linear TV viewing.
  • Featured and Most Popular
  • For You and Friends:
  • iPlayer homepage into the tastemaker of your choice
  • connect iPlayer to your Facebook and/or Twitter social graph
  • Player home page to meet the needs of a mainstream audience looking for editorialised
  • My Categories
  • he iPlayer server will keep a lookout for any new content in your selected categories
  • big increase in live TV viewing in iPlayer - and with the upcoming World Cup being a huge driver of live online viewing
  • new Live Viewing page
  • fuel for the Friends drawer on the iPlayer home page
  • something that for some will be the killer feature of the new site
  • sync your iPlayer with theirs
  • Shout button - a
  • shouts only go to your Messenger friends who are in iPlayer right now
  • Watch with Friends is being added to the site in the next few weeks - stay tuned!
  • adaptive bitrate system
  • ch automatically adjusts
  • Adobe's upcoming Flash 10.1 release with H.264 hardware acceleratio
  • New iPlayer Desktop
  • Series Downloads and live radio & TV.
  • favourite programmes already downloaded to your computer ready to view when you're offline
  • Player Desktop will now automatically download every future episode for you
  • new feature in iPlayer Desktop for live TV
  • BBC's 17 network and national radio stations..
  • I am moving on to become CTO of Project Canvas, and this is the last major piece of work
David Astle

BBC - Press Office - Wimbledon Men's Final attracts 11.2m on BBC One - 0 views

www.bbc.co.uk/...wimbledon.shtml

Live-Streaming CDN Sport wimbledon bbc

shared by David Astle on 26 Apr 11 - Cached
  • David Astle on 26 Apr 11
     
    Wimbledon Men's Final attracts 11.2m on BBC One
David Astle

World Cup Breaks Online Viewing Records - 0 views

www.worldtvpc.com/...-breaks-online-viewing-records

Live-Streaming CDN

shared by David Astle on 26 Apr 11 - No Cached
  • David Astle on 26 Apr 11
     
    World Cup Breaks Online Viewing Records
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