M
mos - Computer Definition
(1) (Metal oxide semiconductor) See MOSFET.
(2) (Comment Score) Quality of a digital voice line. It is a thematic measure that is entirely provided by the people listening to the calls and rating the results from 1 to 5. Dollar quality audio is, of course, replicated at the MOS level of 4 and above. The MOS is the average of the numbers for a given codec. Since the MOS test requires carefully prepared and controlled test scenarios, the best way to do a MOS test is to outsource. See codec. Objective Model The E-Model is another rating system that provides objective quality measurement based on packet loss, jumper and delay. The E-Model yields results based on the value of R. The following is an approximate relationship between MOS and E-Model quality E ratings. Theme explanation MOS R Perfect 5.0 100 Excellent - almost not satisfied 4.5 90 Very - very satisfied 4.0 80 Good - some are dissatisfied 3.6 70 Fair - many are dissatisfied 3.1 60 Bad - yes the most dissatisfied 2 , 6 50 Bad - 1.0 0 is not recommended
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