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RE: [HOME_NETWORK_TF] Home Network Technologies

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>
Message-ID: <114DAD31379DFA438C0A2E39B3B8AF5D01841D2B23@srvxchg>
Hi Matt,

See inline.


> -----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

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