- From: Bob Lund <B.Lund@CableLabs.com>
- Date: Fri, 15 Apr 2011 08:18:25 -0600
- To: Matt Hammond <matt.hammond@rd.bbc.co.uk>, Clarke Stevens <C.Stevens@CableLabs.com>, "public-web-and-tv@w3.org" <public-web-and-tv@w3.org>, Olivier Carmona <ocarmona@awox.com>, Russell Berkoff <r.berkoff@sisa.samsung.com>
- CC: Giuseppe Pascale <giuseppep@opera.com>
Hi Matt, See inline. Bob > -----Original Message----- > From: Matt Hammond [mailto:matt.hammond@rd.bbc.co.uk] > Sent: Friday, April 15, 2011 5:02 AM > To: Clarke Stevens; public-web-and-tv@w3.org; Olivier Carmona; Russell > Berkoff; Bob Lund > Cc: Giuseppe Pascale > Subject: Re: [HOME_NETWORK_TF] Home Network Technologies > > Hi Bob, > > > On Mon, 11 Apr 2011 21:25:17 +0100, Bob Lund <B.Lund@cablelabs.com> > wrote: > > ... > > > Forgive me if I'm restating what is already obvious but the UPnP > > services allow a UI device to discover media players and servers, each > > of which are separate devices. A single UI device can control a > > multiplicity of servers connected to players. Thus, the UI device is > > in many senses a remote control. This UI device can send user input to > > a server or player that itself is presenting UI. > > > > So there is support for two paradigms: a remote controlling a UI > > device that is probably right in front of you and a UI device > > controlling multiple servers and renders anywhere on the home network. > > This discussion of the capabilities of UPnP has hopefully highlighted a > third paradigm: a remote with its own UI that controls a single other > device via the home network. Agreed, that is the simple case of the second paradigm I listed above, although I admit it's not very clear. But, from the UI device perspective there is no difference in controlling one or several devices. > > For example: The remote is a tablet or laptop showing a web based > presentation. The TV or STB is showing a programme. The TV/STB is > sourcing the programme from live broadcast, or playing it back from an > internal hard drive (a PVR style device) or streaming it from an > internet video on demand service. The presentation content tracks the > progress of playback and changes between sets of slides to suit the > particular part of the programme. The web based presentation also allows > the user to choose a particular part of the programme and jump to it (if > the programme is not coming from a live broadcast of course!) > > The experiment we have done at the BBC involving one of our programmes - > "AutumnWatch" is a concrete example of this. We have extended this > experiment to the PVR scenario. > > http://www.bbc.co.uk/blogs/researchanddevelopment/2010/11/the- > autumnwatch-tv-companion-e.shtml > > > regards > > > Matt > -- > | Matt Hammond > | Research Engineer, BBC R&D, Centre House, London > | http://www.bbc.co.uk/rd/
Received on Friday, 15 April 2011 14:19:32 UTC