GB 50526-2010 GB50526-2010公共广播系统工程技术规范:英文

专用

人人文库

NATIONALSTANDARD

OFTHEPEOPLESREPUBLICOFCHINA

TechnicalCodeforPublicAddressSystemEngineering

GB50526-2010

ChiefDevelopmentDepartment:MinistryofIndustryandInformation

TechnologyofthePeoplesRepublicofChina

ApprovalDepartment:MinistryofHousingandUrban-RuralDevelopment

ofthePeoplesRepublicofChina

ImplementationDate:December1，2010专用

人人文库

ChinaPlanningPress

Beijing2017

ChineseeditionfirstpublishedinthePeoplesRepublicofChinain2010

EnglisheditionfirstpublishedinthePeoplesRepublicofChinain2017

byChinaPlanningPress

rd专用

3Floor，CTower，GuohongBuilding

No.A11，Muxidi-Beili，XichengDistrict

Beijing，100038

www.jhpress.com

PrintedinChinabyBeijingJinghuaHucaisPrintingCO.，LTD

©2010byMinistryofHousingandUrban-RuralDevelopmentof

thePeoplesRepublicofChina

Allrightsreserved.Nopartofthispublicationmaybereproducedortransmittedinanyformor

byanym人人文库eans，graphic，electronic，ormechanical，includingphotocopying，recording，

oranyinformationstorageandretrievalsystems，withoutwrittenpermissionofthepublisher.

Thisbookissoldsubjecttotheconditionthatitshallnot，bywayoftradeorotherwise，belent，

re-sold，hiredoutorotherwisecirculatedwithoutthepublisherspriorconsentinanyformof

blindingorcoverotherthanthatinwhichthisispublishedandwithoutasimilarcondition

includingthisconditionbeingimposedonthesubsequentpurchaser.

ISBN978-7-5182-0709-1

AnnouncementofMinistryofHousingandUrban-Rural

DevelopmentofthePeoplesRepublicofChina

No.608

AnnouncementonIssuingtheNationalStandardof

Technicalcodeforpublicaddresssystemengineering

Technicalcodeforpublicaddresssystemengineering

hasbeenapprovedasanationalstandardwitha

serialnumberofGB50526-2010，andwillbeimplementedonDecember1，2010.Articles（items）3.2.5（1

and2），3.5.6，3.5.7，3.6.7（1），4.2.4and4.2.5aremandatoryonesandmustbeimplementedstrictly.

AuthorizedbytheResearchInstituteofStandardsandNormsofMinistryofHousingandUrban-Rural

DevelopmentofthePeoplesRepublicofChina，thiscodeispublishedanddistributedbyChinaPlanning

Press.专用

MinistryofHousingandUrban-RuralDevelopmentofthePeoplesRepublicofChina

May31，2010

人人文库

Foreword

JIANBIAO

AccordingtotherequirementsofDocument〔2006〕No.136issuedbytheformerMinistry

ofConstruction-"NoticeonPrintingandDistributingtheDevelopmentandRevisionPlan（phase2）of

NationalEngineeringConstructionStandardsin2006"，thiscodeisjointlydevelopedbytheAudio

EngineeringSocietyofChina（AESC），GuangzhouDSPPAAudioCo.，Ltd.（DSPPA），andother

organizationsconcerned.

Inthedevelopmentprocessofthiscode，theworkingteamadoptedadvancedtechnologiesand

experienceofChinaandabroad，madeargumentationsandexperimentalverificationsoftherelevant

technologiesandindexes，andcollectedopinionsfromrelevantexpertsthroughoutthecountrybefore

finalizingthiscode.

Thecodeconsistsofsixchapters，covering:Generalprovisions，Terms，Projectdesign，Projectconstruction，

MeasurementforElectro-acousticperformance，andProjectinspectionandacceptance.

Theprovisionsprintedinboldtypearemandatoryonesandmustbeimplementedstrictly.

Thiscodeisunderthejurisdictionof，anditsmandatoryprovisionsa专用reinterpretedbyMOHURD.The

MinistryofIndustryandInformationTechnologyisinchargeofroutinemanagementofthiscode.The

AESCisinchargeoftheexplanationoftechnicalspecifications.Ifyouhaveanyrequirementfor

amendmentorsupplementofthiscodeduringimplementation，pleasesendyourcomments，suggestionsand

relevantinformationtotheAESC（address:BeijingmailboxNo.743，postalcode:100015，email:aesc@

ritvea.com.cn）asreferenceinfurtheramendment.

ChiefDevelopmentOrganizations，ParticipatingDevelopmentOrganizations，ChiefDrafterStaff，Chief

ReviewersandTranslatorsofthiscodearelistedbelow:

ChiefDevelopmentOrganizations

:

AudioEngineeringSocietyofChina

GuangzhouDSPPAAudioCo.，Ltd.

ParticipatingDevelopmentOrganizations

:

TheThirdResearchInstituteofChinaElectronicsTechnologyGroupCorporation

GuangdongElectronic&ElectricalProductsInspectionandSupervisionInstitute

InstituteofAudioVideo&LightingTech.ofGuangzhouUniversity

人人文库CommunicationAcousticsLaboratoryinCommunicationUniversityofChina

GuangzhouShengyaAudioCo.，Ltd.

HangzhouGoldsoundAudiovisualCo.，Ltd.

ShanghaiFeiyueElectroacousticDeviceCo.，Ltd.

BeijingEtherElectronicGroupLtd.

YunnanYifengScuebce&TechnologyProjectCo.，Ltd.

BeijingEASEAudioCo.，Ltd.

ShenCultureMediaGuilinCo.，Ltd.

AdvancedCommunicationEquipment（Intl）Co.，Ltd.

GuangzhouTechgetElectricalCo.，Ltd.

·1·

ChiefDrafterStaff

:

ZhongGongliangFanBaoyuanWangHengZhongHouqiong

LiangHongfeiMengZihouGuKemingPengMiaoyan

ZhouXitaoZhangChengyunZengWeijianWangQixiang

GuoYuanlinPanXiaodongShaoJianqunLiLitian

ChiefReviewers

:

YanFenglunWangYizhenShenHaoChenJianliCaoXiaozhen

ZhangXinhuaZhangLibin

Translators

:

ZhongGongliangZengWeijianZhongHouqiongMengZihou

YangJunWangHengFanBaoyuanYangDingjunLiXiaodong

ChenYixueYuWenke

专用

人人文库

·2·

Contents

………………

1GeneralProvisions（1）

……………

2Terms（2）

…………………

3ProjectDesign（5）

…………

3.1GeneralRequirements（5）

……………

3.2EnsuredFunctions（5）

……………

3.3Electro-acousticPerformanceIndexes（7）

……………

3.4SystemConfiguration（9）

……………

3.5TransmissionLines（9）

…………………

3.6Loudspeakers（10）

………………

3.7PowerAmplifiers（10）

………………………

3.8SignalSourceEquipment（10）

……………

4ProjectConstruction（12）

…………

4.1GeneralRequirements（12）

………………………

4.2TransmissionCableLaying专用（13）

…………

4.3LoudspeakerMounting（13）

…………

4.4EquipmentInstallation（14）

……………

4.5SystemAdjustment（14）

…………………

4.6TrialOperation（14）

…………………

5MeasurementforElectro-acousticPerformance（15）

…………

5.1GeneralRequirements（15）

……………………

5.2MeasurementPointSelection（15）

…………………

5.3MeasurementforTransmissionFrequencyResponse（15）

…………

5.4MeasurementforSoundFieldIrregularity（16）

……………………

5.5MeasurementforEnsuredSoundPressureLevel（16）

……………………

5.6MeasurementforLeakOutAcousticAttenuation（17）

………

5.7MeasurementforSystemSignal-to-noiseRatio（17）

…………

5.8MeasurementofSTIPA（18）

……………

6ProjectInspecti人人文库onandAcceptance（19）

…………

6.1GeneralRequirements（19）

……………………

6.2InspectionandAcceptances（19）

……………

AppendixATablesforConstruction（21）

………………

AppendixBTablesforInspectionandAcceptance（23）

………………

ExplanationofWordinginThisCode（28）

……………

ListofQuotedStandards（29）

1GeneralProvisions

1.0.1

Thiscodeispreparedwithaviewtospecifytheengineeringdesignandconstructionofpublic

addresssystem，toachievesafetyandapplicability，energyconservation，resourcesaving，environmental

protectionandqualityassurance.

1.0.2

Thiscodeisapplicabletothedesign，constructionandacceptanceoftheelectro-acoustic

engineeringofpublicaddresssystemundernewconstruction，extensionandrenovation.

1.0.3

Theconstructionprojectsrelatedtopublicaddresssystemshallmeetthespecifiedrequirementsof

architecturalacoustics.

1.0.4

Inadditiontotherequirementsstipulatedinthiscode，thosestipulatedinthecurrentrelevant

standardsofthenationshallbecompliedwithforthedesign，constructionandacceptanceofpublicaddress

system.

专用

人人文库

·1·

2Terms

2.0.1

Publicaddress（PA）

Soundbroadcastmanagedbyusingorganizationtoservethepublicwithintheareaoccupiedbythe

user，includingbusinessannouncement，backgroundbroadcastandemergencybroadcast.

2.0.2

Publicaddresssystem（PAS）

ThesystemcomposedofallthePAequipment，facilitiesandacousticenvironmentofthePAcoverage

area.

2.0.3

Publicaddressequipment（PAE）

GeneraltermforallequipmentinthePAS，includingloudspeakers，poweramplifiers，transmission

lines，transmissionequipment，management（orcontrol）equipment，pagingequipment，microphoneand

othersignalsourceequipment.

2.0.4

Emergencybroadcast

BroadcastreleasedbythePAStoitsservicezone（s）intheeventofpublicemergency，including

alarmsignals，publicevacuationguidanceandcommandsissuedbyrelevantauthoritiesonsite，etc..

2.0.5专用

Businessannouncement

AnnouncementreleasedbythePAStoitsservicezone（s）forthewholeorpartoftheaudience，

includingnotices，news，voicefiles，information，pagingandchiming，etc..

2.0.6

Backgroundbroadcast

BroadcastreleasedbythePASforrenderingacertainatmosphere，includingbackgroundmusicand

backgroundsounds（suchasenvironmentalsimulationsoundsinvarietyoccasions），etc..

2.0.7

Loudspeakersdistribution

Theplanningofthespecificpositionsofloudspeakersandtheconstructionofloudspeakersmounting

inaPAservicearea.

2.0.8

Transmissionline

LinesthatusedfortransmittingPAsignalsfromstationorothersignalprocessingequipment

（includingamplifiers）toonsiteloudspeakersintheservicezone（s），suchasvariousconductivecablesand

fiber-opticnetworks，etc..

2.0.9

Transmissiondistance

LengthofPA人人文库transmissionlinefromtheinputterminaltotheloadterminal.

2.0.10

Ratedtransmissionvoltage

RatedvoltageattheoriginalterminalofPAtransmissionline，i.e.thenominalinputvoltageofPA

loudspeaker（orsomeotherterminaldevices）connectedtothePAtransmissionline.

2.0.11

Ensuredfunction（ENF）

ThemostbasicfunctionthatPASshallbeavailable.

2.0.12

Airingpriority

Priorityofabroadcastsignal.

2.0.13

Microphonepriority

Enablingamicrophonethehighestairingpriority.

·2·

2.0.14

Voicefile

Broadcastvoicerecordedinadvance.

2.0.15

Dualfunctionsystem（DFS）

Oneofthestandbymodesofemergencybroadcastsystem，whichrunsasabusinessannouncement

systemorbackgroundbroadcastsysteminstandbytime，andcanbeswitchedtoemergencybroadcast

systemautomaticallybyemergencytriggersignal.

2.0.16

Onetouchready

Enablingthesystemtoaspecifiedmodebyonetouch.

2.0.17

Paging

Broadcastforseekingperson，thingsorhelp，orforbroadcastingtemporarilytothedesignatedzone（s）

asrequired.

2.0.18

Callstation

Deviceusedforzonepagingindependentofthebroadcasthost.

2.0.19

Override

Overridingothersignalsbeingon-airwithspecificcontentsorawakeningthestandbysystemforcibly

forreleasingemergencybroadcast.

2.0.20

Zonemanagement

DividingaPAserviceareaintoseveralzonesformanagement，allzon专用esoreachzonecanbeturnedon

orturnedoffasneeded.

2.0.21

Zoningwithmatrixmode

Zonemanagementinmatrixmodeforallowingdifferentsignalstobebroadcastindifferentzones

simultaneously.

2.0.22

Zoningoverride

Anoperationthatoverridesoneormorebroadcastzonesselectivelywithoutaffectingotherzones.

2.0.23

Remotecontrolandmonitor

ControllingandmonitoringaPASoutsidethestation（orcontrolcenter）.

2.0.24

Ensuredsoundpressurelevel（ENSPL）

Meanvalueoftherootmeansquare（r.m.s.）soundpressurelevel（SPL）atsteady-statewhichshall

beavailableinPAservicezone.

2.0.25

Soundfieldirregularity

MaximumdifferenceofSPLvaluesmeasuredinPAservicezone.

2.0.26

Leakoutacousticattenuation

Differenceoft人人文库heENSPLandtheSPL30moutsidetheborderofthePAcoveragearea.

2.0.27

Systemsignal-to-noiseratio（systemSNR）

SNRofthePASpresentingatthePAloudspeakersexcitingpoint.

2.0.28

Speechtransmissionindex（STI）

Physicalquantityrepresentingthetransmissionqualityofspeechwithrespecttointelligibility.

2.0.29

Speechtransmissionindexforpublicaddress（STIPA）

IndexobtainedbyacondensedversionoftheSTImethodbutstillresponsivetodistortionsfoundin

roomacousticsincludingPAS.

2.0.30

Transmissionfrequencyresponse

AmplitudefrequencyresponseoftheSPLatmeasuringpointsinthePAservicezonerelativetothe

·3·

inputsignallevelofthesystematnormalrunningstate.

2.0.31

Passiveterminal

Terminalwithoutpowersupply.

2.0.32

Activeterminal

Terminalwithpowersupply.

专用

人人文库

·4·

3ProjectDesign

3.1GeneralRequirements

3.1.1

PAsystemengineeringdesignshallmeetthereasonableneedsofusersonasafe，environmental

friendly，energy-savingandresource-savingbasis.

3.1.2

PAEshallpasstheChinaCompulsoryCertification（CCC）inaccordancewiththerequirementsof

relevantnationalprovisions.

3.1.3

PAshallbeamonobroadcast.

3.1.4

PASshallbedesignedbasedonpurposesandclassrequirements.

3.1.5

OnePASmayservemultiplebroadcastpurposes.Theclassofeachbroadcastpurposemaybeset

separately.

3.1.6

PASinaflammableandexplosiveareamustcomplywiththerequirementsofcurrentnational

ElectricalapparatusforexplosivegasatmospheresPart1Generalrequirement

standardsGB3836.1，—:and

ElectricalapparatusforexplosivegasatmospheresPart2Flameproofenclosure"d"

GB3836.2，—:.

3.1.7

PAsystemengineeringdesignshallincludethefollowingdocuments:

1

Systemstructurediagramsandrelateddescriptivedocuments.专用

2

Routingofbroadcasttransmissionlinesandplansofloudspeakersdistribution.

3

Configurationdiagramsofthecontrolcenterandrelatedequipment.

4

Equipmentlist.

3.2EnsuredFunctions

3.2.1

PASshallbeabletoreleasereal-timespeechbroadcastandonemicrophonewiththehighest

priorityshallbeavailable.

3.2.2

Inthecasethatmultiplesignalsourcesarebeingbroadcasttothesamezone，thesignalwith

higherpriorityshallbeabletooverridethesignalwithlowerpriorityautomatically.

3.2.3

Inadditiontotherequirementsstipulatedinarticle3.2.1ofthiscode，theENFsofbusiness

announcementsystemshallalsobeinaccordancewiththosespecifiedinTable3.2.3.

Table3.2.3OtherENFsofbusinessannouncementsystem

ClassOtherENFs

·programmingmanagement，automaticrunning（allowingmanualintervention）andthetimingerrorshallnotbemore

than10s

人人文库·zoningwithmatrixmode

·zoningoverride

Class1

·airingpriorityranking

·automaticswitchbetweenmaster/standbypoweramplifiers

·supportingcallstations

·supportingremotecontrolandmonitor

·automaticrunning（allowingmanualintervention）

·zonemanagement

Class2

·override

·faultwarningforpoweramplifier

Class3-

·5·

3.2.4

Inadditiontotherequirementsstipulatedinarticle3.2.1ofthiscode，theENFsofbackground

broadcastsystemshallalsobeinaccordancewiththosespecifiedinTable3.2.4.

Table3.2.4OtherENFsofbackgroundbroadcastsystem

ClassOtherENFs

·programmingmanagement，automaticrunning（allowingmanualintervention）

·toneadjustment

·zoningwithmatrixmode

Class1

·zoningoverride

·airingpriorityranking

·supportingremotecontrolandmonitor

·automaticrunning（allowingmanualintervention）

·toneadjustment

Class2

·zonemanagement

·override

Class3-

3.2.5

Inadditiontotherequirementsstipulatedinarticle3.2.1ofth专用iscode，theENFsofemergency

broadcastsystemshallalsobeaccordancewiththefollowingrequirements.

1AstoaPASservingmultiplepurposes，emergencybroadcastshallbewiththehighest

priority.Incaseofbeingtriggeredmanuallyorautomatically，PASshallbeabletobroadcastalarm

signals（includingalarmsirens），alarmvoicefilesorreal-timecommandvoicetotherelevantzone

（s）within10s.

2Basedontheenvironmentalnoiseonsite，theSNRofemergencybroadcastshallbenoless

than12dB.

3

EmergencybroadcastsystemequipmentshallbeinDFSstateorbewiththefunctionsofscheduled

self-testandautomaticfaultwarning.

4

Emergencybroadcastsystemshallbeequippedwithastandbypowersupply.Theswitching

timebetweentheprimarypowersupplyandstandbypowersupplyshallnotbemorethan1s.The

standbypowersupplyshallbeabletosustainemergencybroadcastforover20min.Ifbatteryisused

asthestandbypowersupply，thesystemshallbeequippedwithautomaticrechargingdevice.

5

Thevolum人人文库eofemergencybroadcastshallbeabletoreachthelevelnolessthantheENSPL

automatically.

6

Inthecasethatitisnecessarytoreleaseemergencybroadcastmanually，onetouchreadyshallbe

available.

7

Thefailureofonepoweramplifiershallnotleadtothefailureofthewholebroadcastsystem.

8

Thefailureofoneloudspeakershallnotleadtothefailureofthew