中央人民广播电台CHINANATIONALRADIO检测报告TESTREPORT检测编号(SerialNo.):送检单位(ApplyFrom):检测种类(TestType):调音台检测检测日期(TestData):2009/5/11检测报告TESTREPORT名称Name调音台规格型号ModelZIRKON商标TrademarkLAWO送检单位ApplyFirm检测类别TestType试件等级SampleGrade生产单位ManufacturerLAWO序号SerialNo测试仪器TestlnstrumentAudioProcessionSystemTwo仪器型号ModelSystemTwo生产厂家ManufacturerAudioProcession检测依据Specifications《GY74-1989》广播声频通路运行技术指标测量方法《GY/T192-2003》数字音频设备的满度电平抽样基数Sample1样品数量SampleNumber1抽样地点SamplePlace中央台测试日期TestData2009-05-11结论意见:TestConclusionA/DD/AA/A频响、THD+N、串扰、噪声指标满足录制播出要求,达到说明书参考指标。满度电平符合国家标准。调音台附带配置软件,能够自行编辑自己所需的功能,可实现6路信号的电平同时检测,可以满足播出功用。如果配备显示控制软件和触摸屏幕,能够灵活显示控制调音台参数信息。签发日期:2009-05-11CertificateData见附表备注:Note批准:审核:Confirm:Check:测试人员:MainTester检测结果TESTRESULTS1、A/D转换,输入电平4dBu频率响应曲线:AudioPrecision05/11/0917:22:10A-DFREQUENCYRESPONSEA-DFREQRESP.at2ColorLineStyleThickDataAxisCyanSolid1DSPAnlr.LevelALeftYellowSolid1DSPAnlr.LevelBLeft-25+2.5-22.5-20-17.5-15-12.5-10-7.5-5-2.5+0dBFS2020k501002005001k2k5k10kHzTDH+N:AudioPrecision05/11/0917:20:05A-DTHD+NvsFREQUENCYA-DTHD+NVSFREQ.at2ColorLineStyleThickDataAxisCyanSolid1DSPAnlr.THD+NRatioLeftYellowSolid1DSPAnlr.THD+NRatioLeft-110-70-105-100-95-90-85-80-75dB2020k501002005001k2k5k10kHz通道间串扰:AudioPrecision05/11/0917:20:30A-DCROSSTALKorSEPARATIONvsFREQUENCYA-DXTALKVSFREQ.at2ColorLineStyleThickDataAxisCyanSolid1DSPAnlr.CrosstalkLeftYellowSolid1DSPAnlr.CrosstalkLeft-140-40-130-120-110-100-90-80-70-60-50dB2020k501002005001k2k5k10kHz噪声AudioPrecision05/11/0917:22:27A-DFASTTEST(Multitone)NOISEA-DMULTINOISE.at2ColorLineStyleThickDataAxisCyanSolid1Fasttest.Ch.1AmplLeftYellowSolid1Fasttest.Ch.2AmplRight-160-20-140-120-100-80-60-40dBFS-160-20-140-120-100-80-60-40dBFS2020k501002005001k2k5k10kHz2、D\A转换,输入电平-20dBFs率响应曲线:AudioPrecision05/11/0917:06:03D-AFREQUENCYRESPONSED-AFREQRESP.at2ColorLineStyleThickDataAxisCyanSolid1Anlr.LevelALeftYellowSolid1Anlr.LevelBLeft-20+25-15-10-5+0+5+10+15+20dBu1020k20501002005001k2k5k10kHzTHD+N:AudioPrecision05/11/0917:07:02D-ATHD+NvsFREQUENCYD-ATHD+NVSFREQ.at2ColorLineStyleThickDataAxisCyanSolid1Anlr.THD+NRatioLeftYellowSolid1Anlr.THD+NRatioLeft-110-70-105-100-95-90-85-80-75dB2020k501002005001k2k5k10kHz通道间串扰:AudioPrecision05/11/0917:04:59D-AFASTTEST(Multitone)CROSSTALKorSEPARATIOND-AMULTIXTALK.at2ColorLineStyleThickDataAxisCyanSolid1Fasttest.Ch.1AmplLeftYellowSolid1Fasttest.Ch.2AmplLeft-140-20-120-100-80-60-40dBu2010k501002005001k2k5kHz多频噪声AudioPrecision05/11/0917:06:59D-AFASTTEST(Multitone)NOISED-AMULTINOISE.at2ColorLineStyleThickDataAxisCyanSolid1Fasttest.Ch.1AmplLeftYellowSolid1Fasttest.Ch.2AmplLeft-120+40-100-80-60-40-20+0+20dBu2010k501002005001k2k5kHz3、A\A转换,输入电平4dbu率响应曲线:AudioPrecision05/11/0916:58:12A-AFREQUENCYRESPONSEA-AFREQRESP.at2ColorLineStyleThickDataAxisCyanSolid1Anlr.LevelALeftYellowSolid1Anlr.LevelBLeftFrequencyResponsefrom20kto20Hz.F4firsttoset0dBrat1kHz.The2ChAmplFunctionReadingmeterBWissetto10Hz500kHzsothebandwidthisthesameastheLevelmeter.Optimizefordetail.-7.5+10-5-2.5+0+2.5+5+7.5dBu2020k501002005001k2k5k10kHzTHD+N:AudioPrecision05/11/0916:59:09A-ATHD+NvsFREQUENCYA-ATHD+NVSFREQ.at2ColorLineStyleThickDataAxisCyanSolid1Anlr.THD+NRatioLeftYellowSolid1Anlr.THD+NRatioLeftConsecutivesweepsproduceastereoTHD+NsweepofChAandChBwhendata1issetforTHD+NandtheStereoboxischecked.TheupperAnalyzerbandwidthis22kHz.Ata7kHzfundamentalonlythe2ndand3rdharmonicsareincluded,above11kHzonlythenoiseisincludedinthemeasurementbandwidth.Forband-limitedsystemsIMDtestingisbetter.-120+0-100-80-60-40-20dB2020k501002005001k2k5k10kHz通道间串扰:AudioPrecision05/11/0917:01:51A-ACROSSTALKorSEPARATIONvsFREQUENCYA-AXTALKVSFREQ.at2ColorLineStyleThickDataAxisCyanSolid1Anlr.CrosstalkLeftYellowSolid1Anlr.CrosstalkLeftTheCrosstalkFunctionmetersettingusesthedrivenchannelsignaltosetthebandpassfilterwhilereadingthechannelwithnosignalapplied.Thedataisaratioofthequietchannelsignaltothedrivenchannelateachfrequency.SetAnlrCrosstalkinData1andchecktheStereobox.Stereosweepswillthenswapdrivenandmeasuredchannelsautomatically.-140+0-120-100-80-60-40-20dB2020k501002005001k2k5k10kHz多频噪声AudioPrecision05/11/0916:57:26A-AFASTTEST(Multitone)NOISEA-AMULTINOISE.at2ColorLineStyleThickDataAxisCyanSolid1Fasttest.Ch.1AmplLeftYellowSolid1Fasttest.Ch.2AmplLeftDSPrequired.30tonespacingNoiseonly.F9foranewsample,F6toreprocessthecurrentacquisitionorloadedwaveformfile.Uses48kMulTon30+6.agmwaveformfiletogeneratethestereosignal.IntheFastTestDigitalAnalyzerchangetheProcessingfieldtoFreqCorrectediffrequenciesareshiftedfromclockerrors.ForallbutXtalkusethe48kMulTon30+6-Mono.adssweeptable.Thislistsonlyfreqsinbothchannels.-140-20-120-100-80-60-40dBu2010k501002005001k2k5kHz