1、NORME INTERNATIONALE CEI IEC INTERNATIONAL STANDARD 616033 Premiredition Firstedition 199710 Transmissiondesignauxaudioet/ouvido etdesignauxsimilairesaumoyen durayonnementinfrarouge Partie3: Transmissionaudiopoursystmes deconfrenceetsystmessimilaires Transmissionofaudioand/orvideoand relatedsignalsu
2、singinfraredradiation Part3: Transmissionsystemsforaudiosignals forconferenceandsimilarsystems Numroderfrence Referencenumber CEI/IEC616033:1997Numrosdespublications Depuisle1erjanvier1997,lespublicationsdelaCEI sontnumrotespartirde60000. Publicationsconsolides Lesversionsconsolidesdecertainespublic
3、ationsde laCEIincorporantlesamendementssontdisponibles. Parexemple,lesnumrosddition1.0,1.1et1.2 indiquentrespectivementlapublicationdebase,la publicationdebaseincorporantlamendement1,etla publicationdebaseincorporantlesamendements1 et2. Validitdelaprsentepublication Lecontenutechniquedespublications
4、delaCEIest constammentrevuparlaCEIafinquilreflteltat actueldelatechnique. Desrenseignementsrelatifsladatede reconfirmationdelapublicationsontdisponiblesdans leCataloguedelaCEI. Lesrenseignementsrelatifscesrvisions,ltablis sementdesditionsrvisesetauxamendements peuventtreobtenusauprsdesComitsnationau
5、xde laCEIetdanslesdocumentscidessous: BulletindelaCEI AnnuairedelaCEI Accsenligne* CataloguedespublicationsdelaCEI Publiannuellementetmisjourrgulirement (Accsenligne)* Terminologie,symbolesgraphiques etlittraux Encequiconcernelaterminologiegnrale,lelecteur sereporteralaCEI60050: VocabulaireElectro t
6、echniqueInternational (VEI). Pourlessymbolesgraphiques,lessymboleslittraux etlessignesdusagegnralapprouvsparlaCEI,le lecteurconsulteralaCEI60027: Symboleslittraux utiliserenlectrotechnique,laCEI60417:Symboles graphiquesutilisablessurlematriel.Index,relevet compilationdesfeuillesindividuelles, etlaCE
7、I60617: Symbolesgraphiquespourschmas. PublicationsdelaCEItabliespar lemmecomitdtudes Lattentiondulecteurestattiresurleslistesfigurant lafindecettepublication,quinumrentles publicationsdelaCEIprparesparlecomit dtudesquiatablilaprsentepublication. * Voiradressesitewebsurlapagedetitre. Numbering Asfrom
8、the1stJanuary1997allIECpublicationsare issuedwithadesignationinthe60000series. Consolidatedpublications ConsolidatedversionsofsomeIECpublications includingamendmentsareavailable.Forexample, editionnumbers1.0,1.1and1.2refer,respectively,to thebasepublication,thebasepublication incorporatingamendment1
9、andthebasepublication incorporatingamendments1and2. Validityofthispublication ThetechnicalcontentofIECpublicationsiskeptunder constantreviewbytheIEC,thusensuringthatthe contentreflectscurrenttechnology. Informationrelatingtothedateofthereconfirmationof thepublicationisavailableintheIECcatalogue. Inf
10、ormationontherevisionwork,theissueofrevised editionsandamendmentsmaybeobtainedfrom IEC NationalCommitteesandfromthefollowing IECsources: IECBulletin IECYearbook Onlineaccess* CatalogueofIECpublications Publishedyearlywithregularupdates (Onlineaccess)* Terminology,graphicalandletter symbols Forgenera
11、lterminology,readersarereferredto IEC60050:InternationalElectrotechnicalVocabulary (IEV). Forgraphicalsymbols,andlettersymbolsandsigns approvedbytheIECforgeneraluse,readersare referredtopublicationsIEC60027: Lettersymbolsto beusedinelectricaltechnology ,IEC60417: Graphical symbolsforuseonequipment.I
12、ndex,surveyand compilationofthesinglesheets andIEC60617: Graphicalsymbolsfordiagrams. IECpublicationspreparedbythesame technicalcommittee Theattentionofreadersisdrawntotheendpagesof thispublicationwhichlisttheIECpublicationsissued bythetechnicalcommitteewhichhaspreparedthe presentpublication. * Seew
13、ebsiteaddressontitlepage.NORME INTERNATIONALE CEI IEC INTERNATIONAL STANDARD 616033 Premiredition Firstedition 199710 Transmissiondesignauxaudioet/ouvido etdesignauxsimilairesaumoyen durayonnementinfrarouge Partie3: Transmissionaudiopoursystmes deconfrenceetsystmessimilaires Transmissionofaudioand/o
14、rvideoand relatedsignalsusinginfraredradiation Part3: Transmissionsystemsforaudiosignals forconferenceandsimilarsystems CommissionElectrotechniqueInternationale InternationalElectrotechnicalCommission Pourprix,voircatalogueenvigueur Forprice,seecurrentcatalogue IEC1997Droitsdereproductionrservs Copy
15、rightallrightsreserved Aucunepartiedecettepublicationnepeuttrereproduiteni utilisesous quelqueformequecesoitetparaucun procd,lectroniqueoumcanique,ycomprislaphoto copieetlesmicrofilms,sanslaccordcritdelditeur. Nopartofthispublicationmaybereproducedorut ilizedin anyformorbyanymeans,electronicormechan
16、ical, includingphotocopyingandmicrofilm,withoutpermissionin writingfromthepublisher. InternationalElectrotechnicalCommission 3,ruedeVarembGeneva,Switzerland Telefax:+41229190300 email:inmailiec.ch IECwebsitehttp:/www.iec.ch CODEPRIX PRICECODE N 2 616033CEI:1997 SOMMAIRE Pages AVANTPROPOS 4 Articles
17、1Gnralits. 6 1.1Domaine dapplication 6 1.2Rfrences normatives 6 1.3Dfinitions. 8 2 Explicationdestermesetgnralits 8 3 Considrationsrelativesauxsystmes 12 3.1Domaine dapplication 12 3.2Environnement. 12 3.3 Planificationetinstallationdessystmes 12 3.4 Rpartitiondesfonctionsentreleslmentsdusystme 12 4
18、 Conditionsgnralesdemesure . 12 5 Caractristiquesspcifieretmthodesdemesureadaptes. 12 5.1 CaractristiquesdelasourceIR. 12 5.2 Caractristiquesdurcepteur 14 6 Valeursdinterface(dadaptation),exigencesdefonctionnementetrecommandations . 14 6.1 Valeursdadaptationapplicablesauxsignauxdesortiedutransmetteu
19、r . 14 6.2 Valeursdadaptationapplicablesauxsignauxdentreduradiateur 16 6.3Polarit 18 6.4 Emissionsetsignauxparasites 18 6.5 Sensibilitparrapportauxincidencesalatoires 18 6.6 Rapportsignal/bruitassign. 18 6.7 Allocationdesvoiesetcaractristiquesdemodulation 20 6.8 Valeursdadaptationapplicablesauxsigna
20、uxaudio 20 6.9 Exigencesrelativeslaperformanceglobaledesfrquencesaudio . 22 7 Marquageetcontenudesspcifications 22 7.1 Marquage 22 7.2 Contenudesspcifications 22 Tableaux 1 Codedevoie,numrodidentificationdevoieetfrquencesdesousporteuse. 20 2 Marquageetcontenudesspcifications 22 Figures 1 Reprsentati
21、onschmatiquedunsystmeaudiodeconfrence 24 2 ChanedusignaletnormesCEIcorrespondantes 24 3 AllocationdesvoiesetporteusesrecommandesL. 26616033IEC:1997 3 CONTENTS Page FOREWORD. 5 Clause 1General. 7 1.1Scope 7 1.2Normative references. 7 1.3Definitions. 9 2 Explanationoftermsandgeneralinformation 9 3Syst
22、em considerations 13 3.1Application area. 13 3.2Environment 13 3.3 Systemplanningandinstallation 13 3.4 Partitionoffunctionsbetweenelementsofthesystem 13 4 Generalconditionsformeasurements . 13 5 Characteristicstobespecifiedandtheirmethodsofmeasurement 13 5.1 CharacteristicsoftheIRsource . 13 5.2 Ch
23、aracteristicsofthereceiver 15 6 Interface(matching)values,performancerequirementsandrecommendations 15 6.1 Interfacevaluesfortransmitteroutputsignals 15 6.2 Interfacevaluesforradiatorinputsignals . 17 6.3Polarity 19 6.4 Spuriousemissionsandsignals . 19 6.5 Sensitivitytorandomincidence 19 6.6 Ratedsi
24、gnaltonoiseratio . 19 6.7 Channelallocationandmodulationcharacteristics 21 6.8 Interfacevaluesforaudiosignals . 21 6.9 Overallaudiofrequencyperformancerequirements 23 7 Markingandcontentsofspecifications 23 7.1 Marking 23 7.2 Contentsofspecifications 23 Tables 1 Channelcode,identificationnumberandsu
25、bcarrierfrequency. 21 2 Markingandcontentsofspecifications 23 Figures 1 Schematicrepresentationofaconferencesoundsystem. 25 2 SignalchainandrelatedIECstandards . 25 3 AllocationofchannelsandrecommendedcarriersL 27 4 616033CEI:1997 COMMISSIONLECTROTECHNIQUEINTERNATIONALE _ TRANSMISSIONDESIGNAUXAUDIOE
26、T/OUVIDOETDESIGNAUX SIMILAIRESAUMOYENDURAYONNEMENTINFRAROUGE Partie3:Transmissionaudiopoursystmesdeconfrence etsystmessimilaires AVANTPROPOS 1) LaCEI(CommissionElectrotechniqueInternationale)estuneorganisationmondialedenormalisationcompose delensembledescomitslectrotechniquesnationaux(Comitsnationau
27、xdelaCEI).LaCEIapourobjetde favoriserlacooprationinternationalepourtouteslesquestionsdenormalisationdanslesdomainesde llectricitetdellectronique.Aceteffet,laCEI,entreautresactivits,publiedesNormesinternationales. Leurlaborationestconfiedescomitsdtudes,auxtravauxdesquelstoutComitnationalintressparle
28、sujettraitpeutparticiper.Lesorganisationsinternationales,gouvernementalesetnongouvernementales,en liaisonaveclaCEI,participentgalementauxtravaux.LaCEIcollaboretroitementaveclOrganisation InternationaledeNormalisation(ISO),selondesconditionsfixesparaccordentrelesdeuxorganisations. 2) Lesdcisionsouacc
29、ordsofficielsdelaCEIconcernantlesquestionstechniquesreprsentent,danslamesure dupossibleunaccordinternationalsurlessujetstudis,tantdonnquelesComitsnationauxintresss sontreprsentsdanschaquecomitdtudes. 3) Lesdocumentsproduitsseprsententsouslaformederecommandationsinternationales.Ilssontpublis commenor
30、mes,rapportstechniquesouguidesetagrscommetelsparlesComitsnationaux. 4) Danslebutdencouragerlunificationinternationale,lesComitsnationauxdelaCEIsengagentappliquerde faontransparente,danstoutelamesurepossible,lesNormesinternationalesdelaCEIdansleursnormes nationalesetrgionales.Toutedivergenceentrelano
31、rmedelaCEIetlanormenationaleourgionale correspondantedoittreindiqueentermesclairsdanscettedernire. 5) LaCEInafixaucuneprocdureconcernantlemarquagecommeindicationdapprobationetsaresponsabilit nestpasengagequandunmatrielestdclarconformelunedesesnormes. 6) Lattentionestattiresurlefaitquecertainsdeslmen
32、tsdelaprsenteNormeinternationalepeuventfaire lobjetdedroitsdepropritintellectuelleoudedroitsanalogues.LaCEInesauraittretenuepour responsabledenepasavoiridentifidetelsdroitsdepropritetdenepasavoirsignalleurexistence. LaNormeinternationaleCEI616033attablieparlesouscomit100C:Appareilsetsous systmesaudi
33、o,vidoetmultimdias,ducomitdtudes100delaCEI:Systmesetappa reilsaudio,vidoetmultimdias. CettenormedoittrelueconjointementaveclaCEI61147(rapporttechnique). Letextedecettenormeestissudesdocumentssuivants: FDIS Rapportdevote 100C/129/FDIS 100C/181/RVD Lerapportdevoteindiqudansletableaucidessusdonnetoutei
34、nformationsurlevoteayant aboutilapprobationdecettenorme. LasriedepublicationsCEI61603remplacelaCEI60764etcomprendlessixpartiessuivantes: Partie1:Gnralits(1997) Partie2:Systmesdetransmissionsignauxaudiolargebandeetsignauxsimilaires(1997) Partie3:Transmissionaudiopoursystmesdeconfrenceetsystmessimilai
35、res Partie4:Systmesdetransmissionpartlcommandesbassevitesse Partie5:Systmesdetransmissionpartlcommandeetdonneshautevitesse Partie6:Systmesdetransmissiondesignauxvidoetaudiovisuelsdehautequalit616033IEC:1997 5 INTERNATIONALELECTROTECHNICALCOMMISSION _ TRANSMISSIONOFAUDIOAND/ORVIDEOAND RELATEDSIGNALSU
36、SINGINFRAREDRADIATION Part3:Transmissionsystemsforaudiosignalsfor conferenceandsimilarsystems FOREWORD 1) TheIEC(InternationalElectrotechnicalCommission)isaworldwideorganizationforstandardizationcomprising allnationalelectrotechnicalcommittees(IECNationalCommittees).TheobjectoftheIECistopromote inte
37、rnationalcooperationonallquestionsconcerningstandardizationintheelectricalandelectronicfields.To thisendandinadditiontootheractivities,theIECpublishesInternationalStandards.Theirpreparationis entrustedtotechnicalcommittees;anyIECNationalCommitteeinterestedinthesubjectdealtwithmay participateinthispr
38、eparatorywork.International,governmentalandnongovernmentalorganizationsliaising withtheIECalsoparticipateinthispreparation.TheIECcollaboratescloselywiththeInternationalOrganization forStandardization(ISO)inaccordancewithconditionsdeterminedbyagreementbetweenthetwoorganizations. 2) Theformaldecisions
39、oragreementsoftheIEContechnicalmattersexpress,asnearlyaspossible,an internationalconsensusofopinionontherelevantsubjectssinceeachtechnicalcommitteehasrepresentation fromallinterestedNationalCommittees. 3) Thedocumentsproducedhavetheformofrecommendationsforinternationaluseandarepublishedintheform ofs
40、tandards,technicalreportsorguidesandtheyareacceptedbytheNationalCommitteesinthatsense. 4) Inordertopromoteinternationalunification,IECNationalCommitteesundertaketoapplyIECInternational Standardstransparentlytothemaximumextentpossibleintheirnationalandregionalstandards.Any divergencebetweentheIECStan
41、dardandthecorrespondingnationalorregionalstandardshallbeclearly indicatedinthelatter. 5) TheIECprovidesnomarkingproceduretoindicateitsapprovalandcannotberenderedresponsibleforany equipmentdeclaredtobeinconformitywithoneofitsstandards. 6) AttentionisdrawntothepossibilitythatsomeoftheelementsofthisInt
42、ernationalStandardmaybethesubject ofpatentrights.TheIECshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights. InternationalStandardIEC616033hasbeenpreparedbysubcommittee100C:Audio,video andmultimediasubsystemsandequipment,ofIECtechnicalcommittee100:Audio,videoand multimediasystemsandequipment. ThisstandardshouldbereadinconjunctionwithIEC61147(technicalreport). Thetextofthisstandardisbasedonthefollowingdocuments: FDIS Reportonvoting 100C/129/FDIS 100C/181/RVD Fullinformationonthevotingfortheapprovalofthisstandardcanbefo
