录音机中的“杜比C”降噪电路中,所用频率偏移电路频响特性设在()KHz处。
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遥控彩电的AV/TV转换集成块是一个()。
A. 低通滤波器
B. 开关电路
C. 高通滤波器
D. 窄带滤波器
AnIPCCExpress4.0deploymentrequiressupportfor20concurrentlylogged-inagentsandthreesupervisors.Theagentsaresplitevenlyacrosstworemotesites.HighAvailabilityisrequiredforthisdeployment,andtheagentswillbeusingIPPhoneAgentastheyuseCitrixterminals.Silentmonitoringandrecordingwillbeperformedforagentsatbothsites.Nohistoricalreportingwillbedoneduringcallcenteropenhours.Assumetheminimumnumberofserversisdesired.
HowmanyIPCCExpresshardwareserverswouldberequiredforthisIPCCExpressdeployment?()
AnCiscoUnifiedContactCenterExpress4.0deploymentrequiressupportfor20concurrentlylogged-inagents.Theagentsaresplitacrosstworemotesites,andthehigh-availabilityCiscoCRSEngine,DatabaseServer,VoIPMonitoring,andRecordingserverprocessesrunatacentraldatacenter.TheagentswillbeusingCADwithCiscoUnifiedIPPhone7960Gandend-pointmonitoring.Verylittlerecordingandsilentmonitoringwillbeperformed,andnohistoricalreportingwillbedoneduringcallcenteropenhours.Assumetheminimumnumberofserversisdesired.
HowmanyCiscoUnifiedContactCenterExpresshardwareserverswouldberequiredforthisCiscoUnifiedContactCenterExpressdeployment?()
录像机音频系统在记录状态时,常采用交流偏磁法,它和直流偏磁相比,优点是()。
A. 可靠性高
B. 电路简单
C. 重放信号失真小
D. 幅频应响好