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Dante网络音频传输


  DanteXIEYISHIYIGEZAIBIAOZHUNDEIPWANGLUOSHANGYUNXINGDEXIANDAIHUAGAOXINGNENGSHUZIMEITICHUANSHUXITONG。JIUSHISHUO,TASHIYIIPSHUJUJIEGOUZAIYITAIWANGZHONGCHUANDISHISHIYINPINXINHAODEJISHU,WEIDIANDUIDIANDEYINPINXITONGLIANJIETIGONGLEYIZHONGDIYANSHI、GAOJINGDUHEDICHENGBENDEJIEJUEFANGAN。SHIAudinateGONGSIZAI2003NIANYANFADE,HECHUANTONGDECobraNetJISHUYIYANG,YESHIYIGEJIYINGJIAN、RUANJIANHETONGXINXIEYIWEIYITIDECHANPIN。

  DANTE可以任由音频信号在以太网中使用TCP/IP方式任意传送,而且在这个过程中能保持信号的精确还原。下面的图一反应了DANTE网络的连接工作方式:


  DanteJISHUYUNXUZAIYIGEYITAIWANGXIANSHANGTONGSHIFASONGHEJIESHOUXUDUODEYINPINTONGDAO,BINGQIEBIMIANLEZAOQIJIEJUEFANGANDEFUZAXINGHEJUXIANXING。DanteDEDIYANCHIHEYANGEDETONGBUBOFANG,KEYIMANZUZUIKEKEDEYINXIANGXITONGDEYAOQIU,BINGQIEYUXIANYOUDEITSHEBEIDEJIANRONGXINGFEICHANGHAO。HECHUANTONGDECHANPINDEBUTONGZHICHUSHI,DanteYIJINGKUAYUELEERCENGWANGLUOTONGXINXIEYI,WANQUANCAIYONGGENGWEIXIANJINHEFANGBIANDEIPSANCENGTONGXINXIEYI,BINGQIEKEYITONGGUODUIFirmwareDESHENGJI,ZHIJIEGUODUDAOAVB(AudioVideoBridging)XIEYI,ZHEISHIFEICHANGZHONGYAODEYIBU。

  QIANZHAOWANG:ZAIDANYIDELIANJIESHANGZHICHI512✕51248KHz/24BitGEYINPINTONGDAO,YEJIUSHIGONG1024GESHUANGXIANGTONGDAO。DUIYU96KHz/24BitDEYINPINSHUJULIU,XINDAORONGLIANGJIANBAN。

  BAIZHAOWANG:ZAIDANYIDELIANJIESHANGZHICHI48✕4848KHz/24BitGEYINPINTONGDAO,YEJIUSHIGONG96GESHUANGXIANGTONGDAO。DUIYU96KHz/24BitDEYINPINSHUJULIU,XINDAORONGLIANGJIANBAN。

  YUANLISHANG,LIANGGEYINPINJIEDIANZHIJIANZHIJIESHIYONGQIANZHAOWANGLIANJIE,BINGQIEWANGLUOSHIFEICHANGWANMEIDEQINGKUANGXIA,YIGEDANYIDEYINPINSHUJUBEICAIJIBINGQIETONGGUOZIJIDEIPSHUJUBAOCHUANSONG,DanteYIJINGCEDEDEYANCHIYUQIANZHAOWANGDEBIAOZHUNSHIYIYANGDE,DOUSHI83.3μs(0.08ms)。

XIAMIANBIAOGEBIAOSHICHULEYIGEJIBENDEYINPINXINHAOYIYIBEIHUOZHEDUOBEICHAOCAIYANG(2BEIJIUSHI96KHzCAIYANG,4BEI、8BEILEITONG)CHUANSHUSHI,DANGWANGLUOLIYONGLVDADAO90%ZUOYOUSHIWANGLUOKEYICHENGSHOUDECHUANSHUYINPINTONGDAODESHULIANG(BAOHANDANBOHEDUOBODEZONGHE)YIJIXIANGDUIYINGDEWANGLUOYANSHI。


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  CONGSHANGBIAOKEYIKANCHU,DUIYUBUTONGDEWANGLUODAIKUANHETONGDAOCHUANSHUDEXUYAO,DanteXITONGKEYIZIDONGDIAOZHENGKEYONGDEWANGLUODAIKUAN,ZAIWANGLUOCHUANSHUANQUANDEQIANTIXIAJINLIANGDUODESHIYONGKONGYUDAIKUAN,YIJIANGDICHUANSONGYANSHI。

  DanteMEIYOUTUOPUDEXIANZHIHEANZHUANGDEFUZAXING;DanteXIEYICAIYANGLVZUIGAOZHICHI192KHz,DANYILIANLUSHANGZUIDUOZHICHI1024GETONGDAODESHUANGXIANGCHUANSHU,ZUIDIYANCHIKEYIDADAO83.3μs,EREtherSoundXIEYIDECAIYANGLVZUIGAOZHIZHICHIDAO96KHz,DANYILIANLUSHANGZUIDUOZHICHI512GETONGDAO,BINGQIEYINPINSHUJULIUZHINENGDANXIANGTONGGUOHUBHUOSwitch,ZUIDIYANCHISHI125μs,SUOYIDanteZAIXINGNENGSHANGCHAOGUOEtherSound。ERQIEDanteKEYITIGONGGUZHANGBEIFEN,ZHEIDUIYUXIANCHANGHUODONGLAIJIANG,SHIYIGEFEICHANGMINGXIANDEYOUSHI。

  CobraNetXIEYISHIMEIGUOPeakAudioGONGSIZAI1996NIANKAIFADEWANGLUOHUAYINPINCHUANSHUJISHU。QIJINWEIZHI,CobraNetBEIGUANGFANGONGRENWEISUOYOUWANGLUOHUAYINPINJISHUDE“SHIZU”,TABEISHIWEIYOUXIAODEYINPINXIEYI,BINGJIANGJIXUHENHAODEWEIXINGYEFUWU。SUIRANSHOUDAO50DUOJIACobraNetCHANPINZHIZAOSHANGDEYONGHU,DANSHICobraNetRENGWEICHENGWEIXINGYEBIAOZHUN。

  CobraNetXIEYICAIYANGLVZUIGAOZHICHI96KHz,DANYILIANLUSHANGDEYINPINTONGDAOSHULIANGWEI128TONGDAOSHUANGXIANGCHUANSHU,BINGQIEBUZHICHILUYOU,ZUIDIYANCHISHI1/3ms,ZHEIXIESHUJUXINGNENGHEDanteXIEYIBIQILAIHAISHIXUNSEYIXIE。BINGQIECobraNetXIEYIMEIYOUGUZHANGBEIFEN。

  YOUYUCobraNet、EtherSoundDENGTONGXINXIEYIDOUSHIGEGECHANGJIADULIJIANLIDEXIEYIBIAOZHUN,JINGUANQIZHONGDEYIXIEDOUZUNXUNYITAIWANGDEXIEYIBIAOZHUN,DANSHIBINGBUSHIZHENZHENGDEGUOJIBIAOZHUN,SUOYIDUIRIHOUDETONGYONGXINGHEJIANRONGXINGDESHEDINGCUNZAIYIDINGDEZHANGAI(LIRUCobraNetSHEBEIHEEtherSoundSHEBEIZHIJIANWUFATONGXIN)。ZAIZHEIZHONGQINGKUANGXIADIANQIHEDIANZIGONGCHENGSHIXUEHUIIEEEDEYINPINSHIPINQIAOJIEGONGZUOZUIEEE802.1BIAOZHUNWEIYUANHUICHUTAILEAVB(AudioVideoBridging)JISHUBIAOZHUN。

  AVBDECHUTAIJIUSHIWEILEMIBUZHEIYILINGYUDELOUDONG,BINGYIISODEBIAOZHUNGUIGEFABUCHULAI,BINGTIGONGJICHANGJIAMIANFEISHIYONG。SUOYIZAIAVBCHUTAIYIHOU,TONGXINXIEYIBAIJIAZHENGMINGDEXIANXIANGJIUYINGGAIZHUBUXIAOSHILE,HAOBUKUAZHANGDESHUOAVBDECHUTAIKANCHENGYINSHIPINXINGYEDEXINSHIDAI。

  AVBYUNXUDUOTONGDAODEBUTONGCAIYANGLVDEYINPINLIUHESHIPINLIUZAIBUTONGDEWANGLUO、BUTONGDEJULIZHIJIANCHUANSHU,BINGQIEZHICHIBIAOZHUNDESHIXUHESHIZHONGXINHAO,SUOYOUDEAVSHEBEICANZHAOTONGYIDESHIJIANJICHU,XIETONGBOFANG。

  AVBXIAOCHULEWANGLUODEHUANCHONGYANCHI。TONGGUOWANGLUOJINXINGSHUJUCHUANSHUSHI,KEKAOXINGYOUYUSHIJIAN,DUANSHIJIANDEYANCHIZAISHUJUCHUANSHUZHONGKEYIJIESHOU,DANSHIZAIYINPINHESHIPINCHUANSHUZHONGYANCHIZAOCHENGDEYINSHIPINBUTONGBUSHIBUNENGJIESHOUDE。DUILIEHEZHUANFAGUIZE,QUEBAOBUTONGDEAVLIUANZHAOZHIDINGDEYANCHITONGGUOWANGLUO,QUEDINGFEIAVBSHEBEI。AVBXIEYIKEYISHIBIEWANGLUOZHONGDEFEIAVBSHEBEI。

  DanteXIEYIMUQIANDEFirmwareBANBENSUIRANSHIYIGEGUODUBANBEN,DANRENGRANSHIZICHENGTIXIDECHUANSHUXIEYI。YOUYUDanteDEXIEYIDEJIAGOUWANQUANFUHEAVBGUIFAN,SUOYIZAIXITONGSHENGJISHI,DanteZHIXUYAOGENGXINSUOYOUWANGKADEFirmwareBANBENJIKEYIZIDONGSHENGJIDAOAVBXITONG,ERWUXUGENGGAIRENHEYINGJIANSHEBEI,ZHEIYESHIDEDanteXIEYICHENGWEIMUQIANNENGWANQUANJIANRONGAVBERTOURUSHANGYONGLINGYUDESHAOSHUCHANPINZHIYI。


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