On Sat, 2006-06-17 at 23:25 +0800, Steve Underwood wrote: > Calling MOS totally subjective is rather strange. Telephony only has to > meet subjective goals. In reality, MOS is pretty objective, as it is a > carefully controlled experiment across enough subjective individuals to > filter out a reasonably objective answer. > it is subjective to the particular test, which afaik MOS doesnt have standards on what types of people should form such a test group. As such you can have different results based on the combination of the sample sounds and the group that is listening to it. This is why many people are typically involved, but that is not a guarantee that the group will be diverse enough and objective enough when rating stuff, it is just a mitigating factor against all out bias.
> They exist, but current ones cost a fortune. Used with understanding > they do a fine job. Sadly people who don't understand them tend to read > far to much into the answers they give. Sometimes they are seriously out > of line with perceived quality, but they usually do well. > Yeah I wasnt clear I meant something that is either open sourced or priced reasonable. > >I do not mean to trivialize network management and do understand that > >sometimes problems are outside your control (ie packets on the > >uncontrolled internet may experience problems because of a tertiary > >provider between you and the remote end) and as such this is just one > >peice of the puzzle as I see it. > > > > > For those reasons may think VoIP will always suck. They might well be right. Anyone that would say VoIP sucks becuase of that I would have to question a bit, simply becuase VoIP doesnt mean voice over the open internet, although to listen to marketing types that is often what they want to claim. -- Trixter http://www.0xdecafbad.com Bret McDanel Belfast IE +44 28 9099 6461 DE +49 801 777 555 3402 Utrecht NL +31 306 553058 US WA +1 360 207 0479 US NY +1 516 687 5200 FreeWorldDialup: 635378 http://www.trxtel.com the VoIP provider that pays you!
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