Audio Note VINDICATOR Uživatelský manuál Strana 22

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DAQ & MOS Definitions
Excellent.
Impairments
imperceptible.
MOS 5
Speech easily understood. Occasional
noise/distortion.
DAQ 4.0
Good.
Impairments
perceptible
but not
annoying.
MOS 4
Speech understandable with repetition
only rarely required. Some
noise/distortion.
DAQ 3.4
Fair. Slightly
annoying.
MOS 3
Speech understandable with slight effort.
Occasional repetition required due to
noise/distortion.
DAQ 3.0
Poor.
Annoying.
MOS 2
Understandable with considerable effort.
Frequent repetition due to noise/distortion.
DAQ 2.0
Bad. Very
annoying.
MOS 1
Unusable. Speech present but not
understandable.
DAQ 1.0
DefinitionMOSDefinitionDAQ
MOS = Mean Opinion Score. Note that repetitions are not part of definition. No correlation
between DAQ and MOS is implied by this table.
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