文献翻译——Fireface UC

外文文献资料FirefaceUC1.UsingmorethanoneFirefaceOSXsupportstheusageofmorethanoneaudiodevicewithinanaudiosoftware.ThisisdoneviatheCoreAudiofunctionAggregateDevices,whichallowstocombineseveraldevicesintoone.ThecurrentdriversupportsuptothreeFirefaceUC.Allunitshavetobeinsync,i.e.havetoreceivevalidsyncinformation(eitherviawordclockorbyusingAutoSyncandfeedingsynchro-nizedsignals).IfoneoftheFirefacesissettoclockmodeMaster,allothershavetobesettoclockmodeSlave,andhavetobesyncedfromthemaster,forexamplebyfeedingwordclock.TheclockmodesofallunitshavetobesetupcorrectlyintheFirefaceSettingsdialog.Ifallunitsarefedwithasynchronousclock,i.e.allunitsshowSyncintheirSettingsdialog,allchannelscanbeusedatonce.WhenusingmorethanoneFirefaceUCtheUSBbusmightgetoverloaded.TopreventthisconnectallunitstodifferentUSBbusses.Note:TotalMixispartofthehardwareofeachFireface.Uptothreemixersareavailable,buttheseareseparatedandcantinterchangedata.Thereforeaglobalmixerforallunitsisnotpossible.2.DIGICheckMacTheDIGIChecksoftwareisauniqueutilitydevelopedfortesting,measuringandanalysingdigi-talaudiostreams.AlthoughthisWindowssoftwareisfairlyself-explanatory,itstillincludesacomprehensiveonlinehelp.DIGICheck0.66operatesinparalleltoanysoftware,showingallinputdata.Thefollowingisashortsummaryofthecurrentlyavailablefunctions:LevelMeter.Highprecision24-bitresolution,2/10/28channels.Applicationexamples:Peaklevelmeasurement,RMSlevelmeasurement,over-detection,phasecorrelationmeasure-ment,dynamicrangeandsignal-to-noiseratios,RMStopeakdifference(loudness),longtermpeakmeasurement,inputcheck.Oversamplingmodeforlevelshigherthan0dBFS.Verticalandhorizontalmode.SlowRMSandRLBweightingfilter.Supportsvisualizationac-cordingtotheK-System.HardwareLevelMeterforInput,PlaybackandOutput.ReferenceLevelMeterfreelycon-figurable,causingnearzeroCPUload,becausecalculatedfromtheFirefacehardware.VectorAudioScope.WorldwideuniqueGoniometershowingthetypicalafterglowofaoscilloscope-tube.IncludesCorrelationmeterandlevelmeter.SpectralAnalyser.Worldwideunique10-,20-or30-banddisplayinanalogbandpassfiltertechnology.192kHz-capable!Totalyser.SpectralAnalyser,LevelMeterandVectorAudioScopeinasinglewindow.SurroundAudioScope.ProfessionalSurroundLevelMeterwithextendedcorrelationanalysis,ITUweightingandITUsummingmeter.ITU1770/EBUR128Meter.Forstandardizedloudnessmeasurements.BitStatistics&Noise.ShowsthetrueresolutionofaudiosignalsaswellaserrorsandDCoffset.IncludesSignaltoNoisemeasurementindBanddBA,plusDCmeasurement.Completelymulti-client.Openasmanymeasurementwindowsasyoulike,onanychan-nelsandinputsoroutputs!ToinstallDIGICheck,gototheDIGICheckdirectoryontheRMEDriverCDandrunsetup.exe.Followtheinstructionspromptedonthescreen.DIGICheckisconstantlyupdated.T,sectionDownloads/DIGICheck.3.HotlineTroubleshootingT,sectionFAQ,latestAdditions.Important:Checkthatthecorrect(PC=Windows,AP=Mac)firmwareisloadedbyadouble-clickontherotaryencoder.Theunitanddrivershavebeeninstalledcorrectly,butplaybackdoesnotwork:IsFirefaceUClistedintheSystemProfiler?(VendorID2613).HasFirefacebeenselectedascurrentplaybackdeviceintheaudioapplication?The8ADATchannelsdontseemtoworkTheopticaloutputhasbeenswitchedtoSPDIF.Ascanbeseenintheblockdiagram,allchannelsandtheirassignmentsstillexist,buttheopticaltransmitterhasbeendisconnectedfromADAT.TheADATplaybackdevicesarestillusablebyroutingandmixingtheminTo-talMixtootheroutputs.Playbackworks,butrecorddoesnt:Checkthatthereisavalidsignalattheinput.Ifso,thecurrentsamplefrequencyisdis-playedintheSettingsdialog.CheckwhethertheFirefaceUChasbeenselectedasrecordingdeviceintheaudioapplica-tion.Checkwhetherthesamplefrequencysetintheaudioapplication(Recordingpropertiesorsimilar)matchestheinputsignal.Checkthatcables/deviceshavenotbeenconnectedinaclosedloop.Ifso,setthesystemsclockmodetoMaster.Crackleduringrecordorplayback:Increasethenumberandsizeofbuffersintheapplication.Trydifferentcables(coaxialoroptical)toruleoutanydefectshere.Checkthatcables/deviceshavenotbeenconnectedinaclosedloop.Ifso,setthesystemsclockmodetoMaster.PossiblecausesforaFirefacenotworkingTheUSBcableisnot,ornotcorrectlyinsertedintothesocketNopower.AfterswitchingtheFirefaceon,atleasttheredHosterrorLEDhastobelit.DriverinstallationandSettingsdialog/TotalMixwork,butaplaybackorrecordisnotpossible.Whilerecognitionandcontrolofthedevicearelowbandwidthapplications,playback/recordneedsthefullUSBtransmissionperformance.Therefore,defectiveUSBcableswithlimitedtransmissionbandwidthcancausesuchanerrorscheme.AftertheflashprocesstheFirefaceUCdoesnotstartcorrectlyPushingtherotaryencoderwhileswitchingontheunitwillloadtheSafetyBIOS.Theflashprocessshouldthenberepeated,maybeevenonadifferentcomputer.4.Stand-aloneOperationTheFirefaceUChasaninternalmemorytopermanentlystoreallconfigurationdata.Thedataisstoreddirectlyafteranychange,andareloadedatpower-on.Savedsettingsare:SettingsdialogSamplerate,clockmodeMaster/Slave,configurationofthechannelsandthedigitalI/Os.TotalMixThecompletemixerstate.Thisalsoimprovestheclocksituationimmediatelyafterpower-on,avoidingwrongclockingandnoisedisturbancesinacomplexsetup,causedbywrongsynchronization.UsuallytheunitwillbeconfiguredbytheWindowsorMacdriver,soforthetimebetweenpower-onofthecomputeruptotheloadingofthedriveritsstatemightbewrong.Thistotalconfigurationfeatureinstand-aloneoperation-withoutanyconnectedcomputer-turnstheFirefaceintolotsofdedicateddevices,seeexamplesinchapter24.FurthermoreTo-talMix(andwiththisallapplicationexamples)canbeMIDIcontrolledeveninstand-aloneop-eration,seechapter32.7,Stand-AloneMIDIControl.4.1.FrontPanelOperationTheknobonthefront,asocalledrotaryencoder,servestosettheinputgainsandoutputvol-umesdirectlyattheunit.TheencoderoperateseitherinCHANNELorinLEVELmode.Pushingtheknobchangesbetweenthesemodes.ThecurrentlyactivemodeisindicatedbyagreenLED.InCHANNELmode,selectionofthedesiredchannelisdonebyturningtheknob.Thefollowingstringswillbeshowninthedisplay:i.1bisi.4Micinput1uptoinstrument/lineinput4L.1bisL.6Lineoutput1uptolineoutput6PHPhones(lineoutput7/8)SPSPDIFoutputA.1bisA.8ADAToutput1upto8i.1/i.2Thegainofthetwomicrophoneinputs1/2canbedefinedintherangeof10dBupto65dBinstepsof1dB.Additionallythesetting0dBisavailable.Thegainchangeisperformedinanalogdomaininhardware.i.3/i.4Thegainofthetwoinstrument/lineinputs3/4canbedefinedintherangeof0dBupto18dBinstepsof0.5dB.Thex.5dBvaluesaresignalledbyadottotheright.Thegainchangeisper-formedinanalogdomaininhardware.L.1bisL.6,PH,SP,A.1bisA.8Theoutputlevelsoftheseoutputscanbedefinedintherange+6dBdownto58dBinstepsof1dB.Additionallythesettingmaximumattenuation(Mute)isavailable.Thegainchangeisper-formeddigitallybyTotalMix.StereoModePushingtheknobformorethanasecondactivatestheLink(Gang)mode.Thedisplaywillshowofforon.Instereo(on)mode,thedisplayonlypresentstheleftchannelsofastereopair(L1,L3,L5.).Thegainandvolumesettingisthenvalidforbothchannels.4.2.8-ChannelAD/DA-ConverterWhenloadingTotalMixfactorydefault1intotheunit,theFirefacebecomesahighquality8-channelAD/DA-converter,whichalsoprovidesamonitoringofall8DA-channelsviachannels7/8(Preset2:alsomonitoringall8inputs).AsmallmodificationallowsforamonitoringofallI/OsviatheSPDIFI/O.4.3.2-ChannelMicPreampUseTotalMixtoroutethetwomicrophoneinputsdirectlytotheanalogoutputs.ThisturnstheFirefaceUCintoa2-channelmicrophonepreamp.TheAD-andDA-conversionwillcauseasmalldelayofthesignalsofaround0.35ms(at192kHz,seechapter35.2).Butthisisnotreallyrelevant,asitisthesamedelaythatwouldbecausedbychangingthemicrophonesposi-tionbyabout12centimeter(5inches).4.4.MonitorMixerTotalMixallowsANYconfigurationofallI/OsoftheFireface.Forexample,setupthedeviceasmonitormixerfor8analogsignals,8digitalviaADATand2viaSPDIF.Additionally,TotalMixletsyousetupANYsubmixes,soallexistingoutputscanbeusedfordifferentandindependentmonitoringsoftheinputsignals.Theperfectheadphonemonitormixer!4.5.DigitalFormatConverterAsTotalMixallowsforanyroutingoftheinputsignals,theFirefaceUCcanbeusedasADATtoSPDIFconverter,andSPDIFtoADATconverter.AsTotalMixallowsforanyroutingoftheinputsignals,theFirefaceUCcanbeusedasADATtoSPDIFconverter,andSPDIFtoADATconverter.4.6.Analog/digitalRoutingMatrixTheMatrixinTotalMixenablesyoutorouteandlinkallinputsandoutputscompletelyfreely.Alltheabovefunctionalitiesareevenavailablesimultaneously,canbemixedandcombinedinmanyways.Simplysaid:theFirefaceUCisaperfectanalog/digitalroutingmatrix!5.AnalogInputs5.1.LineRearTheFirefacehasbalancedlineinputsas1/4TRSjacksonthebackoftheunit.Theelectronicinputstageisbuiltinaservobalanceddesignwhichhandlesunbalanced(monojacks)andbalanced(stereojacks)correctly,automaticallyadjustingthelevelreference.WhenusingunbalancedcableswithTRSjacks:besuretoconnecttheringcontactoftheTRSjacktoground.Otherwisenoisemayoccur,causedbytheunconnectednegativeinputofthebalancedinput.OneofthemainissueswhenworkingwithanAD-converteristomaintainthefulldynamicrangewithinthebestoperatinglevel.ThereforetheFirefaceUCinternallyuseshi-qualityelec-tronicswitches,whichallowforaperfectadaptationofallrearinputstothethreemostoftenusedstudiolevels.Thestandardizedstudiolevelsdonotresultina(oftendesired)fullscalelevel,buttakesomeadditionaldigitalheadroomintoconsideration.Theamountofheadroomisdifferentindifferentstandards,andagaindifferentlyimplementedbydifferentmanufacturers.BecauseofthiswedecidedtodefinethelevelsoftheFirefaceinthemostcompatibleway.Reference0dBFSHeadroomLoGain+19dBu15dB+4dBu+13dBu9dB-10dBV+2dBV12dB5.2.Microphone/LineFrontThebalancedmicrophoneinputsoftheFirefaceUCofferanadjustablegainof10dBupto65dB.Thesoftswitching,hi-currentPhantompower(48Volt)providesaprofessionalhandlingofcondensormics.Theusageofahi-endintegratedcircuit(PGA2500)guaranteesoutstandingsoundquality,stunninglowTHD,andmaximumSignaltoNoiseratioinanygainsetting.ThetwocombojacksalsoallowfortheusageofmonoandstereoTRSjacks.TheTRSjackshaveafixedlevelattenuationof11dB.Basedontheadjustableamplificationfrom+0dBupto+65dB,thesensitivityis+21dBudownto44dBu,referencedtofullscaleoftheAD-converter.ThereforetheTRSinputsaretruefulllevelLineinputs,andtheunitcanalsobeusedasLineamplifier.TheTRSjacksarefreeofphantompower.TwoLEDsdisplayapresentsignal(from65dBFSon)andwarnagainstoverload(-2dBFS).5.3.Instrument/LineFrontTheinstrumentinputs3/4oftheFirefaceUCareexceptionallyflexible.Severalgainandim-pedanceoptionsmakethemtheidealreceiversforbothlineandinstrumentsignals.LineInputs3/4havebalancedlineinputsas1/4TRSjacks.Theelectronicinputstageisbuiltinaservobalanceddesignwhichhandlesunbalanced(monojacks)andbalanced(stereojacks)correctly,automaticallyadjustingthelevelreference.WhenusingunbalancedcableswithTRSjacks:besuretoconnecttheringcontactoftheTRSjacktoground.Otherwisenoisemayoccur,causedbytheunconnectednegativeinputofthebalancedinput.Inputs3/4operateinperfectharmonywiththerearinputs5to8,astheyusethesamelevelreferences:Reference5-80dBFSSetting3/4InputGain3/4LoGain+19dBuPad+6dB+4dBu+13dBuNoPad0dB-10dBV+2dBVInst0dB-+15dBuInst+Pad0dBInstrument0dBFSSetting3/4InputGain3/4+19dBuPad+6dB+13dBuNoPad0dB+2dBVInst0dB+15dBuInst+Pad0dBThemaindifferencebetweenaline-andinstrumentinputistheinputsimpedance.Viatheop-tionInst3andInst4intheSettingsdialog,theinputimpedancechangesfrom10kOhmto470kOhm.Atthesametimetheinputsensitivityrisesby10dB.Usingactiveinstrumentsthisset-tingcanalreadycauseoverload.ThereforetheoptionPadisstillavailable,reducingthesensi-tivityby12dB.Theinstrumentinputoperatesservo-balanced,thushandlesbalancedsignalscorrectlyaswell.InputGainViaInputGainintheSettingsdialog,orusingtherotaryencoderonthefront,anadditionalgaincanbeappliedtotheinputsignalsofchannels3/4.Thegainrangeis0dBupto18dB,instepsof0.5dB.Thisoptionnotonlyallowsfortheuseofsourceswithlowleveloutputsignals,butforexamplealsotoadjustthebalancebetweenchannel3and4precisely,alreadybeforethere-cordingtakesplace.Overalltheinputs3/4canworkwithlevelsfrom16dBuupto+25dBu.TwoLEDsdisplayapresentsignal(from65dBFSon)andwarnagainstoverload(-2dBFS).6.AnalogOutputs6.1.LineTheeightshortcircuitprotected,lowimpedancelineoutputsareavailableas1/4TRSjacksonthebackoftheunit.Theelectronicoutputstageisbuiltinaservobalanceddesignwhichhan-dlesunbalanced(monojacks)andbalanced(stereojacks)correctly.Tomaintainanoptimumlevelfordevicesconnectedtotheanalogoutputs,theFirefaceUCinternallyuseshi-qualityelectronicswitches,whichallowforaperfectadaptationofalloutputstothethreemostoftenusedstudiolevels.Aswiththeanaloginputs,theanalogoutputlevelsaredefinedtomaintainaproblem-freeop-erationwithmostotherdevices.TheheadroomoftheFirefaceUCliesbetween9and15dB,accordingtothechosenreferencelevel:Reference0dBFSHeadroomHiGain+19dBu15dB+4dBu+13dBu9dB-10dBV+2dBV12dBTheabovelevelsarealsofoundinourADI-8seriesofAD/DAconverters,theMultiface,andeveninourMic-PreampsQuadMicandOctaMic.ThereforeallRMEdevicesarefullycompati-bletoeachother.6.2.Phones(7/8)Channels7/8oftheFirefaceareavailableonthefrontviaone1/4unbalancedTRSjack(ste-reooutput).Thesechannelsusethesameconvertersastheotherlineoutputs,thereforeofferthesametechnicalspecifications.Theseoutputsarespeciallowimpedancetypes,readytobeusedwithheadphones.Buttheycanalsobeusedashigh-quality(yetunbalanced)lineoutputs.Tooptimizethisstereooutputformonitoringpurposes,outputs7/8havetheirown3-stagehardware-basedreferencelevelcircuitry,providingperfectpre-adjustmentfortheconnectedmonitorspeakers.Themainvol-umecontrolisthenperformedviaTotalMix,eitheratthecomputerordirectlyattheunit(rotaryencoder,PH).Incasetheoutputshouldoperateaslineoutput,anadapterTRSplugtoRCAphonoplugs,orTRSplugtoTSplugsisrequired.Thepinassignmentfollowsinterna-tionalstandards.Theleftchannelisconnectedtothetip,therightchanneltotheringoftheTRSjack/plug.7.DigitalConnections7.1.ADATTheADATopticalinputoftheFirefaceUCisfullycompatiblewithallADATopticaloutputs.RMEsunsurpassedBitclockPLLpreventsclicksanddropoutseveninextremevaripitchop-eration,andguaranteesafastandlowjitterlocktothedigitalinputsignal.AusualTOSLINKcableissufficientforconnection.MoreinformationonDoubleSpeed(S/MUX)canbefoundinchapter35.4.ADATInInterfaceforadevicesendinganADATsignaltotheFirefaceUC.Carriesthechannels1to8.WhenreceivingaDoubleSpeedsignal,thisinputcarriesthechannels1to4,atQuadSpeedthechannels1and2.ADATOutInterfaceforadevicereceivinganADATsignalfromtheFirefaceUC.Transmitschannels1to8.WhensendingaDoubleSpeedsignal,thisportcarrieschannels1to4,atQuadSpeedthechannels1and2.第12页中文翻译稿FirefaceUC1.使用一个以上的Fireface在音频软件里OSX支持一个以上音频设备的使用。通过核心音频功能AggregateDevices来实现，它允许把多个设备组合成一组。当前驱动程序支持三个FirefaceUC。所有设备都必须同步，即必须通过字时钟或通过传输同步信号接收有效的同步信息。如果一个Firefaces被设置为主时钟模式，所有其他的都必须被设置为从时钟模式，而且必须与主时钟模式同步，例如通过传输字时钟。在Fireface设置对话框里所有设备的时钟模式都必须被正确安装。如果所有设备与同步时钟一起被传输，即所有设备在设置对话框里都显示同步，所有通道可以立刻被使用。当使用一个以上的FirefaceUCUSB总线可能超载。为了防止这种情况的所有设备连接到不同的USB总线。注释：TotalMix是每个Fireface的硬件部分。多达三个混音器可用，但这些都是分开的并且不能交换数据。因此一个所有设备的总体混音器是不可能的。2.DIGICheckMacDIGICheck软件是一个为测试、测量和分析数字音频流开发的独特工具。虽然这个Windows软件是相当明确的，但它仍然包括一个全面的在线帮助。DIGICheck0.64并行操作到任何软件，显示所有的输入数据。以下是当前可用功能的简短摘要：电平仪。高精度24-bit分辨率，2/10/28通道。应用实例：峰值电平测量、RMS电平测量、过检测、相位相关测量、动态范围和信噪比、RMS峰值差异（声响）、长期峰值测量、输入检测。电平过采样模式高于0dBFS。根据K-System支持可视化。播放输入和输出的硬件电平仪。自由配置的基准电平仪，造成接近零的CPU负荷，因为是从Fireface硬件计算的。矢量音频范围。全世界独特的Goniometer显示典型的示波器音余辉。包括相关仪第13页表和电平仪。光谱分析仪。全世界独特的10-、20-或30-波段显示在模拟带通滤波器技术里。192kHz-能胜任的！光谱分析仪、电平仪和矢量音频范围在单个窗口里。环绕音频范围。具有扩展相关分析的专业环绕电平仪、ITU加权和ITU求和。ITU1770/EBUR128电表。对标准化的响度测量。位统计噪声。显示语音信号的真实分辨率以及误差和直流偏移。包括信号在分贝，分贝的噪音测量，加上直流测量。完全多客户端。只要你喜欢可以打开许多测量窗口，任何信道并输入或输出要安装DIGICheck，进入RME驱动程序光盘上的DIGICheck目录并运行setup.exe.Follow的说明提示在屏幕上。DIGICheck不断更新。最新的版本可以在我们的网站，部分下载/DIGICheck。3.故障排除对于部分常见问题发现，最新添置。最新的信息总是可以在我们的网站找到重要提示：检查正确的（PC=Windows中，AP=MAC）的固件是双击旋转编码器。设备和驱动程序安装正确，但不能正常播放：在系统描述里FirefaceUFX被列出了吗？（供应商ID2613）。在音频应用程序里Fireface已被选定为当前播放设备了吗？8个ADAT通道不工作光纤输出ADAT2已经转换为AES/SPDIF。如在框图里所示，所有通道和跳线仍然存在，但光纤传送器已经从ADAT2断开并且从AES输出（通道13/14）被传输。ADAT2播放在TotalMix里跳线和混音到其他输出，仍然是可用的。播放起作用，但录音没有确认输入有一个有效信号。如果是，当前的采样频率应显示在设置对话框。检查在音频应用程序里FirefaceUC是否已被选为录音设备。检查在音频应用程序（“录音属性”或类似）里采样率设置是否正确。如果线缆/设备没有被连接在一个封闭回路里，设置系统时钟模式为主。录音或播放过程中有劈啪声增加在应用程序里缓冲区的数量和大小。第14页尝试不同的线缆（同轴或光学）来排除任何瑕疵。如果线缆/设备没有被连接在一个封闭回路里，设置系统时钟模式为主。Fireface不工作的可能原因火线或USB线缆没有或没有正确地插入插座没有电源。打开Fireface开关，至少红色主机错误导致了被点燃。驱动程序安装、设置对话框/TotalMix正常，但一个播放或录音有问题：设备的识别和控制是低带宽应用程序，但播放/录音需要完整的火线传输性能。因此，有缺陷的火线和有限的带宽可能会导致这样的错误。对于USB线也一样。升级步骤后的FirefaceUC不能正常启动推旋转编码器在切换单元将加载安全的BIOS。闪光灯过程应该被重复，甚至在不同的计算机上。4.独立操作。在FirefaceUC具有永久存储配置数据的内存。数据直接存储任何更改后，并在上电加载。保存的设置：设置对话框采样率，主从时钟模式，信道的配置和数字I/O。TotalMix完全混合状态。这也是在上电后，立即提高了时钟的情况下，在一个复杂的设置避免错误的时钟和错误的引起噪声干扰同步。通常的单位由Windows或Mac驱动器配置，所以电力之间，在电脑到驱动的时间状态可能是错误的加载。在24章看到的例子，没有任何连接的计算机转变成Fireface大量的专用设备。这个总配置功能在独立操作。此外TotalMix（和这一切应用实例）甚至可以单机运行控制的MIDI，见32.7章，单独的MIDI控制。4.1.前面板操作前面板上的旋钮，所谓的旋转编码器，用于将输入的增益和输出量直接在单元。编码器工作在通道或水平模式。推这些模式之间的旋钮的变化。当前活动的模式是由绿色表示发光二极管。渠道模式中,选择所需的通道是通过转向旋钮。下面的字符串将会显示所示:i.1bisI.4麦克风输入1到仪器/线路输入4第15页l.1bis1.5-1.6线输出1到6线输出pH手机（行输出7/8）SPSPDIF输出i.1/i.2这两个麦克风输入1/2的增益可在10分贝至65分贝1分贝步骤定义的范围。此外，可以设置0分贝。增益变化是在模拟域进行硬件。i.3/i.4这两种仪器/线路输入3/4的增益可定义在0分贝至18分贝0.5分贝的范围。x.5分贝值通过一个正确的点表示。增益变化是在模拟域进行硬件。L.1bisL.6,PH,SP,A.1bisA.这些输出的输出电平可以在范围+6dB，步长为1dB被定义下来到-58分贝。此外，该设置最大衰减（静音）是可用的。增益变化是由的TotalMix以数字方式进行。立体模式推钮超过一秒激活链接（岗）模式。显示将显示关闭或打开。在立体（上）模式，显示了一对立体声的左声道（L1，L3，L5）。增益和音量设置是有效的两个通道。4.2.8通道AD/DA转换器当加载TotalMix的出厂默认值1为单位，Fireface成为一个高质量的8路AD/DA转换器，它还通过渠道7/8提供了所有8个大通道监测（预置2：同时监测所有8个输入）。一个小的改变通过SPDIF的I/O考虑到一个监控所有的I/O。4.3.2声道的麦克风前置放大器使用TotalMix路线的两个麦克风输入到模拟输出。这使FirefaceUC为双声道麦克风前置放大器。AD和DA转换会造成小信号延迟约0.35毫秒（192千赫，见35.2章）。第16页但这是不相关的，因为它是可以通过改变麦克风的位置产生相同的延迟约12厘米（5英寸）4.4.监测机TotalMix允许任何配置所有的I/O的Fireface。例如，通过ADAT和SPDIF2，建立设备监控机的8个模拟信号。此外，TotalMix可以让你建立任何submixes，所以所有现有的输出可用于不同的独立的输入信号监测。完美的耳机监控机数字格式转换器作为TotalMix允许任何路由的输入信号，所以FirefaceUC可以作为ADAT到SPDIF的转换器，和SPDIF到ADAT的转换器。4.5.模拟/数字跳线矩阵TotalMix里的矩阵能使您完全自由地跳线和连接所有输入和输出。所有上述功能甚至可以同时使用，能以很多方式混合和组合。简单地说：FirefaceUC是一个完美的模拟/数字跳线矩阵！5.模拟输入5.1.线后Fireface在设备背面有8个平衡线性输入作为1/4”TRS接口。电子输入级内置于一个伺服平衡设计，它可以正确处理非平衡（单声道接口）和平衡（立体声接口），自动调整电平基准。当使用有TRS接口的非平衡线缆时：确保TRS接口的“环”接触器连接到地面。否则可能会产生噪音，由平衡输入的无关负输入造成的。与AD转换器工作时的主要问题之一是在最佳操作电平里维持完整的动态范围。因此FirefaceU