Comm Diss 311-page12

Comm Diss 311-page12 - 6dBperoctave, 65.,andthe...

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Unformatted text preview: 6dBperoctave,thenthe6dBslopeofasquarewavewouldbetransformedinto the12dBslopeofatrianglewave). 65.Ifa200Hz50dBSPLsinewaveispassedthroughalinearsystem,andthe outputis20dBSPL,wecansaythatthesystemattenuates200Hzsinewavesby30 dB.(True) 66.Forthesamesystemasabove,ifa200Hz,70dBSPLsoundispresentedatthe input,a20dBSPLsoundwillbepresentattheoutput.(No,alinearsystemwould stillattenuateby30dB,not50dB) 67.Foralinearsystem,ifweknowtheresponseat200Hz,wealsoknowthe responseat400Hz.(No,wewouldhavenoideaabout400Hzwithouttestingit). 68.Foralinearsystem,ifweknowtheresponseto50dBSPLinputswealsoknow theresponseto80dBSPLinputs.(Yep) 69.Thefrequencyresponseisthedifferencebetweentheoutputofasystemand theinputtothesystemasafunctionofthefrequencyoftheinput.(Yes) 70.Agraphoftheoutputlevelofasystemasafunctionofinputfrequencyiscalled aninputoutputfunction.(Nooutputlevelasafunctionofinputlevel) ...
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