Re: [RE] CE applications (was: RE: [RE] Focus of discussions)
At 18:32 30/08/2004 -0500, Gross, Kevin wrote:
>What is DNLA? What is QoE?
Digital Living Network Alliance, formerly Digital Home Working Group (DHWG); see http://www.dlna.org
Quality of Experience is mentioned a few times in the DLNA documents and seems to refer to the kind of experience the user has when interacting with the system. This is, as Richard says, subjective, in contrast with QoS (Quality of Service) which can be measured objectively.
>Here's my straw-man _minimum_ definition of "works" for consumer
>applications: The system does what the operator asks it to do and recovers
>from anomalies quickly, gracefully and without intervention.
I agreee the second half; I think "does what the operator asks it to do" needs more elaboration. If I ask to listen to a radio programme, how much distortion can I tolerate? Some people would regard a sound with compression artefacts and other distortions, and frequent drop-outs, as unacceptable; many others wouldn't even notice there was anything wrong.
>Of course we'd like to aim higher than this _minimum_ and certainly would
>need to if we intended to capture commercial and professional applications.
I would certainly like it to be capable of supporting professional sound quality. And we need to support high-end hi-fi, which needs quality at least as good as, say, shops and pubs (and better than some of the cinemas we have around here).
John Grant
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