Re: No Speech Recognition
You only have to look at how mobile telephones are used to see why quality varies enormously. Some hold them horizontally in front of their mouth, as you would with a landline instrument. Some, as intended. Some people think that as the other person is some distance away they need to shout. Some "sotto voce" (polite and perfectly adequate). Then there are the now common hands free in-car installations, delays and more background noise. Compare that to an indoor conversation on a reasonable quality landline, probably without an audience.
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