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Sigma KEE - Decibel
Decibel(dB(A))

appearance as argument number 1
-------------------------


(documentation Decibel EnglishLanguage "The decibel (symbol: dB) is a relative unit of measurement equal to one tenth of a bel (B). It expresses the ratio of two values of a power or root-power quantity on a logarithmic scale. Two signals whose levels differ by one decibel have a power ratio of 101/ 10 (approximately 1.26) or root-power ratio of 101⁄20 (approximately 1.12).[from Wikipedia]") Merge.kif 7457-7461
(instance Decibel SoundPressureLevelUnit) Merge.kif 7455-7455 DB(A) is an instance of sound pressure level unit

appearance as argument number 2
-------------------------


(termFormat EnglishLanguage Decibel "dB") Merge.kif 7463-7463
(termFormat EnglishLanguage Decibel "dB(A)") Merge.kif 7478-7478
(termFormat EnglishLanguage Decibel "decibel (A-weighting)") Merge.kif 7477-7477
(termFormat EnglishLanguage Decibel "decibel") Merge.kif 7462-7462

antecedent
-------------------------


(<=>
    (hearingAcuity ?H
        (MeasureFn -10 Decibel)
        (MeasureFn 15 Decibel))
    (attribute ?H NormalHearingSensitivity))		 Medicine.kif 1783-1787 A human can hear frequency of -10 dB(A)(s) at 15 dB(A)(s) decibels if and only if normal hearing sensitivity is an attribute of the human
(<=>
    (hearingAcuity ?H
        (MeasureFn 16 Decibel)
        (MeasureFn 25 Decibel))
    (attribute ?H BorderlineHearingSensitivity))		 Medicine.kif 1794-1798 A human can hear frequency of 16 dB(A)(s) at 25 dB(A)(s) decibels if and only if borderline hearing sensitivity is an attribute of the human
(<=>
    (hearingAcuity ?H
        (MeasureFn 26 Decibel)
        (MeasureFn 40 Decibel))
    (attribute ?H MildHearingLoss))		 Medicine.kif 1805-1809 A human can hear frequency of 26 dB(A)(s) at 40 dB(A)(s) decibels if and only if mild hearing loss is an attribute of the human
(<=>
    (hearingAcuity ?H
        (MeasureFn 41 Decibel)
        (MeasureFn 55 Decibel))
    (attribute ?H ModerateHearingLoss))		 Medicine.kif 1815-1819 A human can hear frequency of 41 dB(A)(s) at 55 dB(A)(s) decibels if and only if moderate hearing loss is an attribute of the human
(<=>
    (hearingAcuity ?H
        (MeasureFn 56 Decibel)
        (MeasureFn 70 Decibel))
    (attribute ?H ModeratelySevereHearingLoss))		 Medicine.kif 1826-1830 A human can hear frequency of 56 dB(A)(s) at 70 dB(A)(s) decibels if and only if moderately severe hearing loss is an attribute of the human
(<=>
    (hearingAcuity ?H
        (MeasureFn 71 Decibel)
        (MeasureFn 90 Decibel))
    (attribute ?H SevereHearingLoss))		 Medicine.kif 1837-1841 A human can hear frequency of 71 dB(A)(s) at 90 dB(A)(s) decibels if and only if severe hearing loss is an attribute of the human
(<=>
    (hearingAcuity ?H
        (MeasureFn 91 Decibel)
        (MeasureFn 200 Decibel))
    (attribute ?H ProfoundHearingLoss))		 Medicine.kif 1848-1852 A human can hear frequency of 91 dB(A)(s) at 200 dB(A)(s) decibels if and only if profound hearing loss is an attribute of the human
(=>
    (and
        (instance ?MT MusicalTone)
        (soundFrequency ?MT
            (MeasureFn ?FREQ Hertz))
        (loudness ?MT
            (MeasureFn ?LLB Decibel))
        (located ?MT
            (WhereFn ?H
                (BeginFn
                    (WhenFn ?MT))))
        (greaterThan ?LLIMIT ?LLB)
        (greaterThan ?LLB ?ULIMIT)
        (greaterThan ?FREQ 250)
        (greaterThan 8000 ?FREQ)
        (instance ?H Human)
        (instance ?L Listening)
        (agent ?L ?H))
    (hearingAcuity ?H
        (MeasureFn ?LLIMIT Decibel)
        (MeasureFn ?ULIMIT Decibel)))		 Medicine.kif 1753-1773

consequent
-------------------------


(=>
    (and
        (instance ?MT MusicalTone)
        (soundFrequency ?MT
            (MeasureFn ?FREQ Hertz))
        (loudness ?MT
            (MeasureFn ?LLB Decibel))
        (located ?MT
            (WhereFn ?H
                (BeginFn
                    (WhenFn ?MT))))
        (greaterThan ?LLIMIT ?LLB)
        (greaterThan ?LLB ?ULIMIT)
        (greaterThan ?FREQ 250)
        (greaterThan 8000 ?FREQ)
        (instance ?H Human)
        (instance ?L Listening)
        (agent ?L ?H))
    (hearingAcuity ?H
        (MeasureFn ?LLIMIT Decibel)
        (MeasureFn ?ULIMIT Decibel)))		 Medicine.kif 1753-1773


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