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Whichtwostatementsaretrueaboutanalogtodigitalconversionofvoicesignalsforuseindigitaltelephonynetworks?()
A.Thethreerequiredstepsintheanalogtodigitalconversionaresampling，encoding，andcompression.
B.Thethreerequiredstepsintheanalogtodigitalconversionaresampling，quantization，andcompression.
C.Thethreerequiredstepsintheanalogtodigitalconversionaresampling，quantization，andencoding.
D.Theoutputofthesamplingprocessisapulsecodemodulation（PCM）signal.
E.Theoutputofthesamplingprocessisapulseamplitudemodulation（PAM）signal.
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更多 “ Whichtwostatementsaretrueaboutanalogtodigitalconversionofvoicesignalsforuseindigitaltelephonynetworks?() A.Thethreerequiredstepsintheanalogtodigitalconversionaresampling，encoding，andcompression.B.Thethreerequiredstepsintheanalogtodigitalconversionaresampling，quantization，andcompression.C.Thethreerequiredstepsintheanalogtodigitalconversionaresampling，quantization，andencoding.D.Theoutputofthesamplingprocessisapulsecodemodulation（PCM）signal.E.Theoutputofthesamplingprocessisapulseamplitudemodulation（PAM）signal. ” 相关考题
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