基于流媒体的在线语音合成系统

:2001212211:,.,.1,2,21(,730070)2(,100084):,InternetöIntranet.,,..:TTS;;;:TP393.02:A:100021220(2003)1122000204AnOnlineTTSSystembyUsingStreamingTechnologyYANGHong2wu1,TAOJian2hua2,CAILian2hong21(SchoolofPhysicsandElectronicsEngineering,NorthwestNormalUniversity,Lanzhou730070,China)2(DepartmentofComputerScience&Technology,TsinghuaUniversity,Beijing100084,China)Abstract:Byusingstreamingtechnology,anonlineTTSsystemthatcanproviderealtimeonlineTTSserviceonInter2netöIntranetarerealizedinthepaper.ForGuaranteethequalityofsynthesizedvoice,thesystemcanadaptthechangeofnetworkstatus,andmanageclientlinkbyusingdynamicbandwidthallocationtechnology.Thesystemcanbeusedinvoicemail,voicerevisionandremoteeducationsystem.Keywords:TTS;streammedia;multimedia;networkbandwidth1,,.TTS,TTS,.öö.öö,,..,,,Internet,.,,,.,,.,,.,.,.,.,InternetöIntranet,,,,,.2TTSTTS,.,,,.,,,.,:.,,,,,,2411200311MINI-MICROSYSTEMSVol124No.11Nov.2003©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,.1TTSFig.1FrameworkofTTSsystem,:..1.33.1In2ternetIntranet.,.,,,.,2.2Fig.2Theoryofstreamingmediatransportation,WebWebHTTPöTCP,;Web,HTTPWeb..(RTCP).RTPöUDP,,.3.2,RTP(Real2timeTransportProtocol)RTCP(Real2timeTransportControlProtocol),In2ternetMIME(MultipurposeInternetMailEx2tensions).RTP,.RTPUDP,RTPTCPATM.RTP:RTP,RTCP.RTP,,RTCP.RTP.RTP,RTCP.RTCP,,,.RTPRTCP,,.3.3.,.RTCP,,.RTP,.,.RTP,,,,.,:;,..,11.025kHz16,1102531632bitös.,,1102531631bitsös.,,.3.4,,,,,,,,.-.C,S,MCR,PCR,.,:Si=1MCRiC(1)(1),.,:1.;2.MCR;100211:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.3.COP,P4.PCR,,,5.,,3,,:1.MCRCOP,MCR,(1).2.(1),,,.3.5,,.,.IP,..,..,.,..,,.44.1,3.3Fig.3ArchitectureofonlineTTSsystemTTS.TTS,..,.,.,.,,TTS,,,.,,TTS,TTS,.,.,.,:,,TTS.Web,Web.,,.Web,,Web,Web.,,,20022003©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,.Web.Web,,Internet.Web.,Web.,ö.5,Windows2000,SinoSonicWindowsMediaIISDCOMInternetöIntranet.,.References:1CaiLianhong,WeiHuawu.ResearchanImplementationofText2to2SpeechforChineseS.ISSIPNN94,HongKong,1994.4,583586.2TaoJian2hua,CaiLian2hong,ZhongYu2zuo.Thecontext2basedmethodofcreatingchineseprosodicmodelC.ISSPR98,1998:271276.3WindowsMediaTechnology.MicrosoftCompanyEBöOL.http:öööOL.Microsoftcompany.http:öö©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.