daniel zhang wrote:
> 1. MOS
> Voice quality was traditionally reported as a Mean Opinion Score (MOS)
> on a scale from 1-5 where 1 is the lowest and 5 the highest.
> I am not an expert on this but I think probably we could add the MOS
> into Ethereal.
At least according to the Wikipedia article on the Mean Opinion Score:
http://en.wikipedia.org/wiki/Mean_Opinion_Score
the score comes from people listening to particular phrases and giving
their 1-to-5 rating of the quality of the sound, not from a calculation
you could perform on a raw digital signal. That means Wireshark (the
new name for the program that used to be called "Ethereal") couldn't
calculate the MOS for a given voice sample (at least not without a
plugin that connects to a number of user's machines, plays the sample to
the user, asks them for their rating, and then averages the results; I
don't know whether that could be done in a way that conforms to ITU-T
Recommendation P.800).
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