AudioAnalog-to-DigitalConverterPerformanceSpecificationandTestMethodGuideline(HighLevelPerformance)Version1.
1,February2016http://www.
digitizationguidelines.
gov/audio-visual/TheFADGIAudio-VisualWorkingGroupFederalAgenciesDigitizationGuidelinesInitiativeAudioAnalog-to-DigitalConverterPerformanceSpecificationandTestMethodGuideline(HighLevelPerformance)TableofContentsNormativeReferences.
4InformativeReferences.
4Scopeandhistory.
5ADCPerformanceGuideline(HighQuality)7FrequencyResponse7TotalHarmonicDistortion+Noise(THD+N)7DynamicRange(SignaltoNoise)7Cross-Talk.
8Common-ModeRejectionRatio(CMRR)8LowFrequencyIntermodulationDistortion(LFIMD)9HighFrequencyIntermodulationDistortion(HFIMD)9AmplitudeLinearity.
9SpuriousInharmonicSignals9AliasRejection.
10SyncInputJitterSusceptibility.
10JitterTransferGain11AppendixA.
DefinitionsandSpecifications:High-Quality-LevelTestingofADCs121.
AnalyzerSpecifications.
122.
SignalGeneratorSpecifications123.
Equipment-Under-Test(EUT)Settings.
13AppendixB.
ExplanatorynotesforCMRRandAliasRejection151.
Explanatorynotere:CMRR.
152.
Explanatorycommentre:AliasRejection15AudioA-to-DConverterPerformanceSpecificationandTestMethod:Guidelinev1.
13NormativeReferencesAudioEngineeringSociety.
AES17-1998(r2009):AESstandardmethodfordigitalaudioengineering—Measurementofdigitalaudioequipment;RevisionofAES17-1991.
Retrievedon2012-08-13from:http://www.
aes.
org/publications/standards/search.
cfmdocID=21.
FederalAgenciesDigitizationGuidelinesInitiative.
AudioAnalog-to-DigitalConverterPerformanceSpecificationandTestMethod:Guideline(HighLevelPerformance),v1.
0.
2012version.
Retrievedon2016-02-09from:http://www.
digitizationguidelines.
gov/audio-visual/documents/ADC_performGuide_20120820.
pdf.
InternationalAssociationofSoundandAudiovisualArchives(IASA)TechnicalCommittee.
IASATC04:GuidelinesontheProductionandPreservationofDigitalAudioObjects;Secondedition.
Retrieved2012-08-13from:http://www.
iasa-web.
org/tc04/audio-preservation.
InternationalElectrotechnicalCommission.
IEC60268-3:Soundsystemequipment-Part3:Amplifiers;Edition3.
InternationalElectrotechnicalCommission.
Retrieved2012-08-13from:http://webstore.
iec.
ch/webstore/webstore.
nsf/artnum/026708!
opendocument.
InternationalElectrotechnicalCommission.
IEC61260-1:Electroacoustics-Octave-bandandfractional-octave-bandfilters-Part1:Specifications.
Retrieved2015-08-30from:https://webstore.
iec.
ch/publication/5063.
InternationalElectrotechnicalCommission.
IEC-61606-3:Audioandaudiovisualequipment-Digitalaudioparts-Basicmeasurementmethodsofaudiocharacteristics-Part3:Professionaluse.
Edition1.
Retrieved2012-08-13from:http://webstore.
iec.
ch/webstore/webstore.
nsf/artnum/041968!
opendocument.
InformativeReferencesBallou,Glen,ed.
HandbookforSoundEngineers,TheNewAudioCyclopedia;2ndedition.
Boston:FocalPress,1998.
FederalAgenciesDigitizationGuidelinesInitiative.
AudioAnalog-to-DigitalConverterPerformanceSpecificationandTestMethodIntroduction.
Retrievedon2012-08-20from:http://www.
digitizationguidelines.
gov/audio-visual/documents/ADC_performIntro_20120820.
pdf.
FederalAgenciesDigitizationGuidelinesInitiative.
ADCPerformanceTesting:ReportonProjectDevelopmentDuring2015.
ExpertConsultantReportfortheAudio-VisualWorkingGroup,Retrievedon2016-02-16from:http://www.
digitizationguidelines.
gov/audio-visual/documents/ADC_report_20160216.
pdf.
AudioA-to-DConverterPerformanceSpecificationandTestMethod:Guidelinev1.
14Fielder,LouisD.
,DynamicRangeRequirementforSubjectiveNoiseFreeReproductionofMusic.
In69thAESConvention(1981).
Retrievedon2012-08-13from:http://www.
aes.
org/e-lib/browse.
cfmelib=11981Fielder,LouisD.
HumanAuditoryCapabilitiesandtheirConsequencesinDigitalConverterDesign.
In7thInternationalAESConference:AudioinDigitalTimes(May1989).
Retrievedon2012-08-13from:http://www.
aes.
org/e-lib/browse.
cfmelib=5486Moore,BrianC.
J.
AnIntroductiontothePsychologyofHearing;5thedition.
Amsterdam;Boston:AcademicPress,2003Pohlmann,KenC.
PrinciplesofDigitalAudio;4thedition.
NewYork:McGraw-Hill,2000.
Pohlmann,KenC.
MeasurementandEvaluationofAnalog-to-DigitalConvertersUsedintheLong-TermPreservationofAudioRecordings.
CouncilonLibraryandInformationResources.
Retrievedon2012-08-13from:http://www.
clir.
org/pubs/resources/ad-converters-pohlmann.
pdfWatkinson,John.
TheArtofDigitalAudio;3rdedition.
Oxford;Boston:FocalPress,2001.
ScopeandhistoryThisdocumentspecifiesasetofmetricsandmethodspertainingtotheperformanceoftheaudioanalog-to-digitalconverters(ADCs)usedinpreservationreformattingworkflows.
This2016version1.
1isanupdateofversion1.
0oftheguidelinepublishedinAugust2012:AudioAnalog-to-DigitalConverterPerformanceSpecificationandTestMethod:Guideline(HighLevelPerformance),v1.
0,citedbelow.
Version1.
1includesadjustmentstothemethodsandpass-failrecommendationsforseveralofthemetricsandaddsexplanatorynotesforCommon-ModeRejectionRatioandAliasRejection.
Anitem-by-itemcomparisonofv1.
0andv1.
1isprovidedinthereporttitledADCPerformanceTesting:ReportonProjectDevelopmentDuring2015,citedbelow.
ThisguidelineisoneofsixrelateddocumentspertainingtoADCsystemperformance.
Thefivecompaniondocumentsare:AudioAnalog-to-DigitalConverterPerformanceSpecificationandTestMethod:Introduction(August2012).
Thisisthemainexplanatorydocument.
ohttp://www.
digitizationguidelines.
gov/audio-visual/documents/ADC_performIntro_20120820.
pdfADCPerformanceTesting:ReportonProjectDevelopmentDuring2015.
ExpertConsultantReportfortheAudio-VisualWorkingGroup,FederalAgenciesDigitizationGuidelinesInitiative,February16,2016.
Thisreportincludesanexplanationofthechangesmadetothe2012guidelineinordertoproducethe2016guideline.
ohttp://www.
digitizationguidelines.
gov/audio-visual/documents/ADC-report_20160216.
pdf.
AudioA-to-DConverterPerformanceSpecificationandTestMethod:Guidelinev1.
15FederalAgenciesDigitizationGuidelinesInitiative.
AudioAnalog-to-DigitalConverterPerformanceSpecificationandTestMethod:Guideline(HighLevelPerformance),v1.
0.
2012version.
ohttp://www.
digitizationguidelines.
gov/audio-visual/documents/ADC_performGuide_20120820.
pdf.
关于HostDare服务商在之前的文章中有介绍过几次,算是比较老牌的服务商,但是商家背景财力不是特别雄厚,算是比较小众的个人服务商。目前主流提供CKVM和QKVM套餐。前者是电信CN2 GIA,不过库存储备也不是很足,这不九月份发布新的补货库存活动,有提供九折优惠CN2 GIA,以及六五折优惠QKVM普通线路方案。这次活动截止到9月30日,不清楚商家这次库存补货多少。比如 QKVM基础的五个方案都...
vollcloud LLC首次推出6折促销,本次促销福利主要感恩与回馈广大用户对于我们的信任与支持,我们将继续稳步前行,为广大用户们提供更好的产品和服务,另外,本次促销码共限制使用30个,个人不限购,用完活动结束,同时所有vps产品支持3日内无条件退款和提供免费试用。需要了解更多产品可前往官网查看!vollcloud优惠码:VoLLcloud终生6折促销码:Y5C0V7R0YW商品名称CPU内存S...
在六月初的时候有介绍过一次来自中国台湾的PQS彼得巧商家(在这里)。商家的特点是有提供台湾彰化HiNet线路VPS主机,起步带宽200M,从带宽速率看是不错的,不过价格也比较贵原价需要300多一个月,是不是很贵?当然懂的人可能会有需要。这次年中促销期间,商家也有提供一定的优惠。比如月付七折,年付达到38折,不过年付价格确实总价格比较高的。第一、商家优惠活动年付三八折优惠:PQS2021-618-C...